Owase weather in September
In September, Owase sees average daytime highs of 25°C and overnight lows near 22°C, with 329 mm of rain across 17 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.
Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Owase's 9th-clearest and 8th-windiest month. For the whole year in context, see Owase's year-round climate.
- Daytime high
- 25°
- 3rd warmest
- Overnight low
- 22°
- 10th coldest
- Rainfall
- 329 mm
- 17 wet days
- Daylight
- 12 h 12 min
- 5:43 AM – 5:56 PM
- Cloud cover
- 63%
- 9th clearest
- Wind
- 14 km/h
- 8th windiest
- Solar energy
- 4.03 kWh/m²
- Travel score
- 5.7
- out of 10
Owase is city in Mie Prefecture, Japan.
- Density
- 88/km²
- people per km²
- Founded
- 1954
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 26°C in the first days to 23°C by the end.
A typical September day in Owase reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 24 |
| 2 | 26 | 24 |
| 3 | 26 | 24 |
| 4 | 26 | 24 |
| 5 | 26 | 24 |
| 6 | 26 | 24 |
| 7 | 26 | 23 |
| 8 | 26 | 23 |
| 9 | 26 | 23 |
| 10 | 26 | 23 |
| 11 | 25 | 23 |
| 12 | 25 | 23 |
| 13 | 25 | 23 |
| 14 | 25 | 23 |
| 15 | 25 | 23 |
| 16 | 25 | 22 |
| 17 | 25 | 22 |
| 18 | 25 | 22 |
| 19 | 25 | 22 |
| 20 | 24 | 22 |
| 21 | 24 | 22 |
| 22 | 24 | 22 |
| 23 | 24 | 21 |
| 24 | 24 | 21 |
| 25 | 24 | 21 |
| 26 | 24 | 21 |
| 27 | 23 | 21 |
| 28 | 23 | 21 |
| 29 | 23 | 21 |
| 30 | 23 | 20 |
Owase weather by month
How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 6° | 97 | 7.1 | 1.4 | 10 | 2.2 |
| Feb | 10° / 6° | 100 | 8.5 | 1.3 | 10.7 | 2.4 |
| Mar | 13° / 8° | 183 | 11.4 | 0.6 | 11.7 | 3.5 |
| Apr | 16° / 12° | 194 | 11.5 | 0 | 12.8 | 5.0 |
| May | 20° / 17° | 231 | 13.3 | 0 | 13.7 | 5.7 |
| Jun | 23° / 20° | 326 | 17.1 | 0 | 14.2 | 5.2 |
| Jul | 26° / 24° | 244 | 16.1 | 0 | 14 | 5.6 |
| Aug | 27° / 25° | 230 | 15 | 0 | 13.3 | 5.8 |
| Sep | 25° / 22° | 329 | 17 | 0 | 12.2 | 5.7 |
| Oct | 21° / 18° | 343 | 15.1 | 0 | 11.1 | 5.8 |
| Nov | 17° / 13° | 156 | 10.4 | 0 | 10.2 | 5.4 |
| Dec | 12° / 8° | 97 | 7.6 | 0.4 | 9.8 | 3.5 |
Cloud cover in September
The sky is clear or mostly clear about 29% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 57%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 44 | 43 | 43 | 43 | 42 | 43 | 42 | 43 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 42 |
| Cloudier (%) | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 56 | 57 | 57 | 57 | 58 | 57 | 58 | 57 | 59 | 58 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 58 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 45 | 55 |
| 2 | 45 | 55 |
| 3 | 45 | 55 |
| 4 | 44 | 56 |
| 5 | 44 | 56 |
| 6 | 44 | 56 |
| 7 | 44 | 56 |
| 8 | 44 | 56 |
| 9 | 43 | 57 |
| 10 | 43 | 57 |
| 11 | 43 | 57 |
| 12 | 44 | 56 |
| 13 | 43 | 57 |
| 14 | 43 | 57 |
| 15 | 43 | 57 |
| 16 | 42 | 58 |
| 17 | 43 | 57 |
| 18 | 42 | 58 |
| 19 | 43 | 57 |
| 20 | 41 | 59 |
| 21 | 42 | 58 |
| 22 | 42 | 58 |
| 23 | 42 | 58 |
| 24 | 42 | 58 |
| 25 | 42 | 58 |
| 26 | 42 | 58 |
| 27 | 43 | 57 |
| 28 | 43 | 57 |
| 29 | 43 | 57 |
| 30 | 42 | 58 |
Chance of precipitation in September
Owase gets around 329 mm of rain over 17 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 56% and peaks near 58% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 55 | 55 | 56 | 56 | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 55 | 55 | 55 | 55 | 55 | 56 | 56 | 57 | 57 |
| Rain chance (%) | |
|---|---|
| 1 | 55 |
| 2 | 55 |
| 3 | 56 |
| 4 | 56 |
| 5 | 57 |
| 6 | 57 |
| 7 | 58 |
| 8 | 58 |
| 9 | 58 |
| 10 | 58 |
| 11 | 58 |
| 12 | 58 |
| 13 | 57 |
| 14 | 57 |
| 15 | 57 |
| 16 | 56 |
| 17 | 56 |
| 18 | 56 |
| 19 | 56 |
| 20 | 56 |
| 21 | 56 |
| 22 | 55 |
| 23 | 55 |
| 24 | 55 |
| 25 | 55 |
| 26 | 55 |
| 27 | 56 |
| 28 | 56 |
| 29 | 57 |
| 30 | 57 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 68% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 18 | 19 | 19 | 20 | 21 |
| Humid (%) | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 17 | 19 | 20 | 21 | 22 | 24 | 25 | 26 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 31 |
| Muggy (%) | 23 | 24 | 25 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 33 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 25 |
| Oppressive (%) | 64 | 62 | 62 | 59 | 58 | 55 | 55 | 53 | 51 | 49 | 47 | 45 | 43 | 40 | 38 | 35 | 33 | 30 | 28 | 26 | 24 | 22 | 20 | 19 | 17 | 15 | 14 | 12 | 11 | 10 |
| Miserable (%) | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 1 | 5 | 23 | 64 | 7 |
| 2 | 0 | 1 | 6 | 24 | 62 | 7 |
| 3 | 0 | 1 | 6 | 25 | 62 | 6 |
| 4 | 0 | 1 | 7 | 27 | 59 | 6 |
| 5 | 0 | 2 | 7 | 28 | 58 | 5 |
| 6 | 1 | 2 | 8 | 29 | 55 | 5 |
| 7 | 1 | 2 | 8 | 30 | 55 | 4 |
| 8 | 1 | 3 | 9 | 31 | 53 | 3 |
| 9 | 1 | 3 | 10 | 32 | 51 | 3 |
| 10 | 1 | 4 | 11 | 33 | 49 | 2 |
| 11 | 1 | 5 | 12 | 33 | 47 | 2 |
| 12 | 2 | 5 | 13 | 34 | 45 | 1 |
| 13 | 2 | 6 | 14 | 34 | 43 | 1 |
| 14 | 2 | 7 | 16 | 34 | 40 | 1 |
| 15 | 3 | 8 | 17 | 33 | 38 | 1 |
| 16 | 3 | 9 | 19 | 33 | 35 | 0 |
| 17 | 4 | 10 | 20 | 33 | 33 | 0 |
| 18 | 4 | 11 | 21 | 33 | 30 | 0 |
| 19 | 5 | 12 | 22 | 32 | 28 | 0 |
| 20 | 6 | 13 | 24 | 32 | 26 | 0 |
| 21 | 6 | 14 | 25 | 31 | 24 | 0 |
| 22 | 7 | 15 | 26 | 30 | 22 | 0 |
| 23 | 8 | 16 | 26 | 30 | 20 | 0 |
| 24 | 8 | 17 | 27 | 29 | 19 | 0 |
| 25 | 9 | 18 | 28 | 28 | 17 | 0 |
| 26 | 10 | 18 | 29 | 28 | 15 | 0 |
| 27 | 11 | 19 | 29 | 27 | 14 | 0 |
| 28 | 12 | 19 | 30 | 27 | 12 | 0 |
| 29 | 13 | 20 | 30 | 26 | 11 | 0 |
| 30 | 14 | 21 | 31 | 25 | 10 | 0 |
Wind in September
Winds average 14 km/h in September.
Across September, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 15 | light breeze |
| 23 | 15 | light breeze |
| 24 | 15 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
Sunrise & sunset in September
Daylight runs from about 12 h 42 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 60 minutes over September. Sunrise moves from 5:33 AM to 5:53 AM, and sunset from 6:17 PM to 5:36 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 |
| Sunrise (AM) | 5:33 | 5:33 | 5:34 | 5:35 | 5:35 | 5:36 | 5:37 | 5:38 | 5:38 | 5:39 | 5:40 | 5:40 | 5:41 | 5:42 | 5:43 | 5:43 | 5:44 | 5:45 | 5:45 | 5:46 | 5:47 | 5:48 | 5:48 | 5:49 | 5:50 | 5:51 | 5:51 | 5:52 | 5:53 | 5:53 |
| Sunset (PM) | 6:17 | 6:16 | 6:14 | 6:13 | 6:12 | 6:10 | 6:09 | 6:07 | 6:06 | 6:05 | 6:03 | 6:02 | 6:00 | 5:59 | 5:57 | 5:56 | 5:54 | 5:53 | 5:51 | 5:50 | 5:48 | 5:47 | 5:46 | 5:44 | 5:43 | 5:41 | 5:40 | 5:38 | 5:37 | 5:36 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.7 | 5:33 | 6:17 |
| 2 | 12.7 | 5:33 | 6:16 |
| 3 | 12.7 | 5:34 | 6:14 |
| 4 | 12.6 | 5:35 | 6:13 |
| 5 | 12.6 | 5:35 | 6:12 |
| 6 | 12.6 | 5:36 | 6:10 |
| 7 | 12.5 | 5:37 | 6:09 |
| 8 | 12.5 | 5:38 | 6:07 |
| 9 | 12.5 | 5:38 | 6:06 |
| 10 | 12.4 | 5:39 | 6:05 |
| 11 | 12.4 | 5:40 | 6:03 |
| 12 | 12.4 | 5:40 | 6:02 |
| 13 | 12.3 | 5:41 | 6:00 |
| 14 | 12.3 | 5:42 | 5:59 |
| 15 | 12.2 | 5:43 | 5:57 |
| 16 | 12.2 | 5:43 | 5:56 |
| 17 | 12.2 | 5:44 | 5:54 |
| 18 | 12.1 | 5:45 | 5:53 |
| 19 | 12.1 | 5:45 | 5:51 |
| 20 | 12.1 | 5:46 | 5:50 |
| 21 | 12.0 | 5:47 | 5:48 |
| 22 | 12.0 | 5:48 | 5:47 |
| 23 | 12.0 | 5:48 | 5:46 |
| 24 | 11.9 | 5:49 | 5:44 |
| 25 | 11.9 | 5:50 | 5:43 |
| 26 | 11.8 | 5:51 | 5:41 |
| 27 | 11.8 | 5:51 | 5:40 |
| 28 | 11.8 | 5:52 | 5:38 |
| 29 | 11.7 | 5:53 | 5:37 |
| 30 | 11.7 | 5:53 | 5:36 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.03 kWh/m².
For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 5.33 kWh/m² in May across the year — September's 4.03 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 | 3.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.6 | Bright |
| 2 | 4.5 | Bright |
| 3 | 4.5 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.4 | Bright |
| 6 | 4.4 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.3 | Bright |
| 9 | 4.3 | Bright |
| 10 | 4.2 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.0 | Bright |
| 17 | 4.0 | Moderate |
| 18 | 4.0 | Moderate |
| 19 | 3.9 | Moderate |
| 20 | 3.9 | Moderate |
| 21 | 3.9 | Moderate |
| 22 | 3.8 | Moderate |
| 23 | 3.8 | Moderate |
| 24 | 3.8 | Moderate |
| 25 | 3.7 | Moderate |
| 26 | 3.7 | Moderate |
| 27 | 3.7 | Moderate |
| 28 | 3.6 | Moderate |
| 29 | 3.6 | Moderate |
| 30 | 3.6 | Moderate |
Hazard calendar for Owase
In September, Owase sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Owase sits in the Pacific typhoon belt; the season peaks July–October.
Is September a good time to visit Owase?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Owase for sightseeing.
What to pack for Owase in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Owase sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 17 days see rain.
Sea temperature near Owase in September
The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in August at about 27°C and coldest in February near 16°C.
It's comfortable for a long swim from May 21 to Nov 29 — about 6.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 17 | 16 | 16 | 18 | 20 | 22 | 25 | 27 | 26 | 23 | 21 | 19 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 17 | Cool |
| Feb | 16 | Cool |
| Mar | 16 | Cool |
| Apr | 18 | Cool |
| May | 20 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 27 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 21 | Refreshing |
| Dec | 19 | Cool |
UV index in Owase in September
Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Owase peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 7 | 9 | 10 | 11 | 10 | 10 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Owase in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Owase is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 14 | 18 | 18 | 17 | 13 | 9 | 9 | 9 | 10 | 10 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 18 | Moderate |
| Apr | 18 | Moderate |
| May | 17 | Moderate |
| Jun | 13 | Moderate |
| Jul | 9 | Good |
| Aug | 9 | Good |
| Sep | 9 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Owase?
Owase sits at 34.1°N, 136.2°E, 4 m above sea level, in Japan. The nearest listed city is Kumano, 19 km away.
Topography around Owase
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Owase.
Within 3 km, the terrain around Owase has significant variations in elevation — a maximum elevation change of 527 m around an average of 140 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,688 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,878 m.
The land around Owase is covered by trees (70%) within 3 km, trees (67%) and water (31%) within 16 km, and trees (61%) and water (32%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Owase (34.0667°, 136.2°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).