Neietsu weather in September
In September, Neietsu sees average daytime highs of 23°C and overnight lows near 14°C, with 135 mm of rain across 8.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.
Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels dry.
Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Neietsu's 9th-clearest and 11th-windiest month. For the whole year in context, see Neietsu's year-round climate.
- Daytime high
- 23°
- 4th warmest
- Overnight low
- 14°
- 9th coldest
- Rainfall
- 135 mm
- 8.9 wet days
- Daylight
- 12 h 12 min
- 6:13 AM – 6:27 PM
- Cloud cover
- 61%
- 9th clearest
- Wind
- 8 km/h
- 11th windiest
- Solar energy
- 4.08 kWh/m²
- Travel score
- 6.7
- out of 10
Temperature in September
Highs ease over the month, from about 24°C in the first days to 21°C by the end.
A typical September day in Neietsu reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°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) | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 |
| Avg low (°C) | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 17 |
| 2 | 25 | 17 |
| 3 | 24 | 16 |
| 4 | 24 | 16 |
| 5 | 24 | 16 |
| 6 | 24 | 16 |
| 7 | 24 | 16 |
| 8 | 24 | 15 |
| 9 | 24 | 15 |
| 10 | 23 | 15 |
| 11 | 23 | 15 |
| 12 | 23 | 15 |
| 13 | 23 | 14 |
| 14 | 23 | 14 |
| 15 | 23 | 14 |
| 16 | 22 | 14 |
| 17 | 22 | 13 |
| 18 | 22 | 13 |
| 19 | 22 | 13 |
| 20 | 22 | 13 |
| 21 | 22 | 12 |
| 22 | 22 | 12 |
| 23 | 21 | 12 |
| 24 | 21 | 12 |
| 25 | 21 | 12 |
| 26 | 21 | 11 |
| 27 | 21 | 11 |
| 28 | 21 | 11 |
| 29 | 20 | 11 |
| 30 | 20 | 10 |
How September really feels in Neietsu
Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Neietsu weather by month
How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 0° / -9° | 24 | 4.6 | 4.7 | 9.7 | 0.0 |
| Feb | 3° / -7° | 32 | 4.9 | 3.8 | 10.6 | 0.0 |
| Mar | 9° / -1° | 54 | 7.9 | 4.2 | 11.7 | 1.8 |
| Apr | 16° / 4° | 82 | 8.6 | 0.9 | 12.9 | 5.0 |
| May | 21° / 10° | 90 | 8.8 | 0 | 14 | 6.6 |
| Jun | 24° / 15° | 119 | 9.7 | 0 | 14.5 | 6.8 |
| Jul | 26° / 19° | 252 | 16.8 | 0 | 14.3 | 5.4 |
| Aug | 26° / 19° | 207 | 15.9 | 0 | 13.4 | 5.6 |
| Sep | 23° / 14° | 135 | 8.9 | 0 | 12.3 | 6.7 |
| Oct | 17° / 7° | 52 | 5.1 | 0 | 11 | 6.2 |
| Nov | 9° / 0° | 42 | 6.8 | 1.2 | 10 | 2.3 |
| Dec | 3° / -6° | 26 | 5.4 | 3.9 | 9.5 | 0.0 |
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 15% of September, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.
| 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 (%) | 38 | 39 | 39 | 40 | 39 | 39 | 40 | 40 | 41 | 41 | 41 | 42 | 43 | 43 | 43 | 44 | 45 | 46 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 49 | 49 | 50 | 50 | 51 |
| Cloudier (%) | 62 | 61 | 61 | 60 | 61 | 61 | 60 | 60 | 59 | 59 | 59 | 58 | 57 | 57 | 57 | 56 | 55 | 54 | 53 | 53 | 53 | 52 | 52 | 52 | 52 | 51 | 51 | 50 | 50 | 49 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 38 | 62 |
| 2 | 39 | 61 |
| 3 | 39 | 61 |
| 4 | 40 | 60 |
| 5 | 39 | 61 |
| 6 | 39 | 61 |
| 7 | 40 | 60 |
| 8 | 40 | 60 |
| 9 | 41 | 59 |
| 10 | 41 | 59 |
| 11 | 41 | 59 |
| 12 | 42 | 58 |
| 13 | 43 | 57 |
| 14 | 43 | 57 |
| 15 | 43 | 57 |
| 16 | 44 | 56 |
| 17 | 45 | 55 |
| 18 | 46 | 54 |
| 19 | 47 | 53 |
| 20 | 47 | 53 |
| 21 | 47 | 53 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 48 | 52 |
| 26 | 49 | 51 |
| 27 | 49 | 51 |
| 28 | 50 | 50 |
| 29 | 50 | 50 |
| 30 | 51 | 49 |
Chance of precipitation in September
Neietsu gets around 135 mm of rain over 8.9 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 31% and peaks near 45% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 45 | 44 | 43 | 42 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 20 |
| Rain chance (%) | |
|---|---|
| 1 | 45 |
| 2 | 44 |
| 3 | 43 |
| 4 | 42 |
| 5 | 40 |
| 6 | 39 |
| 7 | 38 |
| 8 | 37 |
| 9 | 36 |
| 10 | 35 |
| 11 | 34 |
| 12 | 33 |
| 13 | 32 |
| 14 | 31 |
| 15 | 30 |
| 16 | 29 |
| 17 | 28 |
| 18 | 27 |
| 19 | 26 |
| 20 | 26 |
| 21 | 25 |
| 22 | 24 |
| 23 | 24 |
| 24 | 23 |
| 25 | 23 |
| 26 | 22 |
| 27 | 22 |
| 28 | 21 |
| 29 | 21 |
| 30 | 20 |
Humidity in September
Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the dry band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 10% 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 (%) | 8 | 9 | 10 | 11 | 13 | 14 | 16 | 18 | 21 | 23 | 26 | 29 | 32 | 36 | 39 | 42 | 46 | 49 | 53 | 55 | 59 | 61 | 63 | 65 | 68 | 70 | 72 | 74 | 75 | 76 |
| Comfortable (%) | 28 | 29 | 31 | 32 | 33 | 34 | 35 | 36 | 36 | 36 | 36 | 35 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 |
| Humid (%) | 34 | 34 | 34 | 33 | 32 | 32 | 31 | 30 | 29 | 28 | 26 | 25 | 23 | 22 | 20 | 18 | 17 | 15 | 13 | 12 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 4 |
| Muggy (%) | 25 | 24 | 22 | 20 | 19 | 17 | 16 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 8 | 28 | 34 | 25 | 5 |
| 2 | 9 | 29 | 34 | 24 | 4 |
| 3 | 10 | 31 | 34 | 22 | 4 |
| 4 | 11 | 32 | 33 | 20 | 3 |
| 5 | 13 | 33 | 32 | 19 | 3 |
| 6 | 14 | 34 | 32 | 17 | 2 |
| 7 | 16 | 35 | 31 | 16 | 2 |
| 8 | 18 | 36 | 30 | 14 | 2 |
| 9 | 21 | 36 | 29 | 13 | 1 |
| 10 | 23 | 36 | 28 | 12 | 1 |
| 11 | 26 | 36 | 26 | 11 | 1 |
| 12 | 29 | 35 | 25 | 10 | 1 |
| 13 | 32 | 35 | 23 | 9 | 0 |
| 14 | 36 | 34 | 22 | 9 | 0 |
| 15 | 39 | 33 | 20 | 8 | 0 |
| 16 | 42 | 32 | 18 | 7 | 0 |
| 17 | 46 | 31 | 17 | 7 | 0 |
| 18 | 49 | 30 | 15 | 6 | 0 |
| 19 | 53 | 29 | 13 | 5 | 0 |
| 20 | 55 | 28 | 12 | 5 | 0 |
| 21 | 59 | 27 | 10 | 4 | 0 |
| 22 | 61 | 27 | 9 | 3 | 0 |
| 23 | 63 | 26 | 8 | 3 | 0 |
| 24 | 65 | 25 | 7 | 3 | 0 |
| 25 | 68 | 24 | 6 | 2 | 0 |
| 26 | 70 | 23 | 5 | 2 | 0 |
| 27 | 72 | 22 | 5 | 1 | 0 |
| 28 | 74 | 21 | 4 | 1 | 0 |
| 29 | 75 | 20 | 4 | 1 | 0 |
| 30 | 76 | 19 | 4 | 1 | 0 |
Wind in September
Winds average 8 km/h in September.
Across September, daily wind ranges from about 7 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 6:01 AM to 6:26 AM, and sunset from 6:51 PM to 6:05 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) | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 |
| Sunrise (AM) | 6:01 | 6:02 | 6:02 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:08 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:13 | 6:14 | 6:15 | 6:16 | 6:17 | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:22 | 6:23 | 6:24 | 6:25 | 6:26 |
| Sunset (PM) | 6:51 | 6:49 | 6:48 | 6:46 | 6:45 | 6:43 | 6:42 | 6:40 | 6:39 | 6:37 | 6:35 | 6:34 | 6:32 | 6:31 | 6:29 | 6:27 | 6:26 | 6:24 | 6:23 | 6:21 | 6:20 | 6:18 | 6:16 | 6:15 | 6:13 | 6:12 | 6:10 | 6:08 | 6:07 | 6:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 6:01 | 6:51 |
| 2 | 12.8 | 6:02 | 6:49 |
| 3 | 12.8 | 6:02 | 6:48 |
| 4 | 12.7 | 6:03 | 6:46 |
| 5 | 12.7 | 6:04 | 6:45 |
| 6 | 12.6 | 6:05 | 6:43 |
| 7 | 12.6 | 6:06 | 6:42 |
| 8 | 12.6 | 6:07 | 6:40 |
| 9 | 12.5 | 6:08 | 6:39 |
| 10 | 12.5 | 6:08 | 6:37 |
| 11 | 12.4 | 6:09 | 6:35 |
| 12 | 12.4 | 6:10 | 6:34 |
| 13 | 12.4 | 6:11 | 6:32 |
| 14 | 12.3 | 6:12 | 6:31 |
| 15 | 12.3 | 6:13 | 6:29 |
| 16 | 12.2 | 6:13 | 6:27 |
| 17 | 12.2 | 6:14 | 6:26 |
| 18 | 12.2 | 6:15 | 6:24 |
| 19 | 12.1 | 6:16 | 6:23 |
| 20 | 12.1 | 6:17 | 6:21 |
| 21 | 12.0 | 6:18 | 6:20 |
| 22 | 12.0 | 6:19 | 6:18 |
| 23 | 11.9 | 6:19 | 6:16 |
| 24 | 11.9 | 6:20 | 6:15 |
| 25 | 11.9 | 6:21 | 6:13 |
| 26 | 11.8 | 6:22 | 6:12 |
| 27 | 11.8 | 6:23 | 6:10 |
| 28 | 11.7 | 6:24 | 6:08 |
| 29 | 11.7 | 6:25 | 6:07 |
| 30 | 11.7 | 6:26 | 6:05 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.08 kWh/m².
For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.82 kWh/m² in May across the year — September's 4.08 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) | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.1 | Bright |
| 2 | 4.1 | Bright |
| 3 | 4.1 | Bright |
| 4 | 4.1 | Bright |
| 5 | 4.1 | Bright |
| 6 | 4.1 | Bright |
| 7 | 4.1 | Bright |
| 8 | 4.1 | Bright |
| 9 | 4.1 | Bright |
| 10 | 4.1 | Bright |
| 11 | 4.1 | Bright |
| 12 | 4.1 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Bright |
| 21 | 4.0 | Bright |
| 22 | 4.0 | Bright |
| 23 | 4.0 | Bright |
| 24 | 4.0 | Bright |
| 25 | 4.0 | Bright |
| 26 | 4.0 | Bright |
| 27 | 4.0 | Moderate |
| 28 | 4.0 | Moderate |
| 29 | 4.0 | Moderate |
| 30 | 4.0 | Moderate |
Hazard calendar for Neietsu
In September, Neietsu sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Neietsu's rainy season runs June–September, when most of the year's rain falls.
Is September a good time to visit Neietsu?
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 Neietsu for sightseeing.
What to pack for Neietsu in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Neietsu sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 9 days see rain.
UV index in Neietsu in September
Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Neietsu peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 8 | 9 | 9 | 8 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Neietsu 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 Neietsu is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (August, 31 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) | 48 | 49 | 57 | 51 | 46 | 41 | 33 | 31 | 32 | 41 | 46 | 43 |
| Level | Poor | Poor | Unhealthy | Poor | Poor | Poor | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 48 | Poor |
| Feb | 49 | Poor |
| Mar | 57 | Unhealthy |
| Apr | 51 | Poor |
| May | 46 | Poor |
| Jun | 41 | Poor |
| Jul | 33 | Moderate |
| Aug | 31 | Moderate |
| Sep | 32 | Moderate |
| Oct | 41 | Poor |
| Nov | 46 | Poor |
| Dec | 43 | Poor |
Where is Neietsu?
Neietsu sits at 37.2°N, 128.5°E, 208 m above sea level, in South Korea. The nearest listed city is Pyeongchang, 22 km away.
Topography around Neietsu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Neietsu.
Within 3 km, the terrain around Neietsu has large variations in elevation — a maximum elevation change of 612 m around an average of 301 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 940 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,549 m.
The land around Neietsu is covered by trees (66%) within 3 km, trees (85%) within 16 km, and trees (83%) within 80 km.
South Korea travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 220 V · 60 Hz
- Prices
- ≈ 57% of US
- price level, 2025
- GDP per capita
- $36,227
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.5
- per 100k, 2023
- Road deaths
- 8.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 522
- 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 Neietsu (37.1845°, 128.4682°, elevation 208 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. 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).