Arcella weather in September
In September, Arcella sees average daytime highs of 25°C and overnight lows near 16°C, with 107 mm of rain across 9.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.
Highs ease over the month, from about 27°C in the first days to 22°C by the end. The sky is clear or mostly clear about 46% of the time in September, and the air most often feels humid.
Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Arcella's 3rd-clearest and 5th-windiest month. For the whole year in context, see Arcella's year-round climate.
- Daytime high
- 25°
- 4th warmest
- Overnight low
- 16°
- 9th coldest
- Rainfall
- 107 mm
- 9.4 wet days
- Daylight
- 12 h 18 min
- 5:57 AM – 6:16 PM
- Cloud cover
- 48%
- 3rd clearest
- Wind
- 7 km/h
- 5th windiest
- Solar energy
- 4.01 kWh/m²
- Travel score
- 7.0
- out of 10
Temperature in September
Highs ease over the month, from about 27°C in the first days to 22°C by the end.
A typical September day in Arcella reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°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) | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 18 |
| 2 | 27 | 18 |
| 3 | 27 | 18 |
| 4 | 27 | 18 |
| 5 | 27 | 17 |
| 6 | 26 | 17 |
| 7 | 26 | 17 |
| 8 | 26 | 17 |
| 9 | 26 | 17 |
| 10 | 26 | 17 |
| 11 | 26 | 17 |
| 12 | 25 | 16 |
| 13 | 25 | 16 |
| 14 | 25 | 16 |
| 15 | 25 | 16 |
| 16 | 25 | 16 |
| 17 | 24 | 16 |
| 18 | 24 | 16 |
| 19 | 24 | 15 |
| 20 | 24 | 15 |
| 21 | 24 | 15 |
| 22 | 23 | 15 |
| 23 | 23 | 15 |
| 24 | 23 | 15 |
| 25 | 23 | 15 |
| 26 | 23 | 14 |
| 27 | 23 | 14 |
| 28 | 22 | 14 |
| 29 | 22 | 14 |
| 30 | 22 | 14 |
How September really feels in Arcella
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.
Arcella weather by month
How September compares with the rest of the year at a glance. September is the 4th-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 | 8° / 1° | 53 | 6.7 | 0.7 | 8.9 | 1.4 |
| Feb | 10° / 2° | 56 | 6.7 | 0.9 | 10.1 | 2.4 |
| Mar | 14° / 6° | 67 | 8 | 0.4 | 11.6 | 4.6 |
| Apr | 19° / 10° | 84 | 10.4 | 0 | 13.2 | 5.9 |
| May | 23° / 14° | 97 | 10.7 | 0 | 14.7 | 6.8 |
| Jun | 27° / 18° | 79 | 9.7 | 0 | 15.4 | 6.5 |
| Jul | 30° / 20° | 62 | 8.2 | 0 | 15.1 | 5.6 |
| Aug | 30° / 20° | 80 | 9 | 0 | 13.9 | 5.6 |
| Sep | 25° / 16° | 107 | 9.4 | 0 | 12.3 | 7.0 |
| Oct | 19° / 11° | 107 | 9 | 0 | 10.7 | 6.2 |
| Nov | 13° / 7° | 115 | 10.2 | 0.2 | 9.3 | 3.6 |
| Dec | 8° / 2° | 71 | 7.4 | 0.7 | 8.6 | 1.6 |
Cloud cover in September
The sky is clear or mostly clear about 46% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over 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 (%) | 69 | 69 | 68 | 68 | 68 | 69 | 68 | 68 | 68 | 67 | 67 | 67 | 66 | 65 | 64 | 63 | 62 | 62 | 60 | 59 | 59 | 57 | 57 | 57 | 55 | 55 | 54 | 52 | 52 | 51 |
| Cloudier (%) | 31 | 31 | 32 | 32 | 32 | 31 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 35 | 36 | 37 | 38 | 38 | 40 | 41 | 41 | 43 | 43 | 43 | 45 | 45 | 46 | 48 | 48 | 49 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 69 | 31 |
| 2 | 69 | 31 |
| 3 | 68 | 32 |
| 4 | 68 | 32 |
| 5 | 68 | 32 |
| 6 | 69 | 31 |
| 7 | 68 | 32 |
| 8 | 68 | 32 |
| 9 | 68 | 32 |
| 10 | 67 | 33 |
| 11 | 67 | 33 |
| 12 | 67 | 33 |
| 13 | 66 | 34 |
| 14 | 65 | 35 |
| 15 | 64 | 36 |
| 16 | 63 | 37 |
| 17 | 62 | 38 |
| 18 | 62 | 38 |
| 19 | 60 | 40 |
| 20 | 59 | 41 |
| 21 | 59 | 41 |
| 22 | 57 | 43 |
| 23 | 57 | 43 |
| 24 | 57 | 43 |
| 25 | 55 | 45 |
| 26 | 55 | 45 |
| 27 | 54 | 46 |
| 28 | 52 | 48 |
| 29 | 52 | 48 |
| 30 | 51 | 49 |
Chance of precipitation in September
Arcella gets around 107 mm of rain over 9.4 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 32% and peaks near 33% 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 (%) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 |
| Rain chance (%) | |
|---|---|
| 1 | 32 |
| 2 | 32 |
| 3 | 32 |
| 4 | 32 |
| 5 | 32 |
| 6 | 32 |
| 7 | 32 |
| 8 | 32 |
| 9 | 32 |
| 10 | 32 |
| 11 | 32 |
| 12 | 32 |
| 13 | 32 |
| 14 | 33 |
| 15 | 33 |
| 16 | 33 |
| 17 | 33 |
| 18 | 33 |
| 19 | 33 |
| 20 | 33 |
| 21 | 33 |
| 22 | 32 |
| 23 | 32 |
| 24 | 32 |
| 25 | 32 |
| 26 | 31 |
| 27 | 31 |
| 28 | 31 |
| 29 | 31 |
| 30 | 31 |
Humidity in September
Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the humid band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 13% 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 (%) | 15 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 34 | 35 | 35 | 36 | 36 | 37 | 38 |
| Comfortable (%) | 22 | 23 | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 32 | 32 | 33 | 34 | 35 | 36 | 36 | 37 | 37 | 36 |
| Humid (%) | 34 | 34 | 34 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 32 | 32 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 24 | 24 | 23 |
| Muggy (%) | 27 | 25 | 24 | 23 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 2 |
| Oppressive (%) | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 15 | 22 | 34 | 27 | 2 |
| 2 | 16 | 23 | 34 | 25 | 2 |
| 3 | 17 | 24 | 34 | 24 | 2 |
| 4 | 18 | 25 | 33 | 23 | 1 |
| 5 | 19 | 25 | 33 | 21 | 1 |
| 6 | 19 | 26 | 34 | 20 | 1 |
| 7 | 20 | 26 | 34 | 19 | 1 |
| 8 | 21 | 27 | 34 | 18 | 1 |
| 9 | 21 | 27 | 34 | 17 | 0 |
| 10 | 22 | 27 | 34 | 17 | 0 |
| 11 | 23 | 27 | 34 | 16 | 0 |
| 12 | 24 | 27 | 34 | 15 | 0 |
| 13 | 25 | 27 | 34 | 14 | 0 |
| 14 | 26 | 28 | 33 | 13 | 0 |
| 15 | 27 | 28 | 33 | 12 | 0 |
| 16 | 28 | 29 | 32 | 11 | 0 |
| 17 | 28 | 29 | 32 | 11 | 0 |
| 18 | 29 | 30 | 31 | 10 | 0 |
| 19 | 30 | 30 | 30 | 9 | 0 |
| 20 | 31 | 31 | 29 | 8 | 0 |
| 21 | 32 | 32 | 28 | 8 | 0 |
| 22 | 33 | 32 | 28 | 7 | 0 |
| 23 | 34 | 33 | 27 | 6 | 0 |
| 24 | 34 | 34 | 26 | 5 | 0 |
| 25 | 35 | 35 | 25 | 5 | 0 |
| 26 | 35 | 36 | 25 | 4 | 0 |
| 27 | 36 | 36 | 24 | 3 | 0 |
| 28 | 36 | 37 | 24 | 3 | 0 |
| 29 | 37 | 37 | 24 | 3 | 0 |
| 30 | 38 | 36 | 23 | 2 | 0 |
Wind in September
Winds average 7 km/h in September.
Across September, daily wind ranges from about 7 km/h on the calmest days to 7 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 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 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in September
Daylight runs from about 13 h 06 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 90 minutes over September. Sunrise moves from 5:39 AM to 6:15 AM, and sunset from 6:46 PM to 5:48 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) | 13.1 | 13.1 | 13.0 | 13.0 | 12.9 | 12.9 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.8 | 11.8 | 11.7 | 11.7 | 11.6 | 11.6 |
| Sunrise (AM) | 5:39 | 5:40 | 5:41 | 5:42 | 5:44 | 5:45 | 5:46 | 5:47 | 5:49 | 5:50 | 5:51 | 5:52 | 5:54 | 5:55 | 5:56 | 5:57 | 5:59 | 6:00 | 6:01 | 6:02 | 6:04 | 6:05 | 6:06 | 6:08 | 6:09 | 6:10 | 6:11 | 6:13 | 6:14 | 6:15 |
| Sunset (PM) | 6:46 | 6:44 | 6:42 | 6:40 | 6:38 | 6:36 | 6:34 | 6:32 | 6:30 | 6:28 | 6:26 | 6:24 | 6:22 | 6:20 | 6:18 | 6:16 | 6:14 | 6:12 | 6:10 | 6:08 | 6:06 | 6:04 | 6:02 | 6:00 | 5:58 | 5:56 | 5:54 | 5:52 | 5:50 | 5:48 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.1 | 5:39 | 6:46 |
| 2 | 13.1 | 5:40 | 6:44 |
| 3 | 13.0 | 5:41 | 6:42 |
| 4 | 13.0 | 5:42 | 6:40 |
| 5 | 12.9 | 5:44 | 6:38 |
| 6 | 12.9 | 5:45 | 6:36 |
| 7 | 12.8 | 5:46 | 6:34 |
| 8 | 12.7 | 5:47 | 6:32 |
| 9 | 12.7 | 5:49 | 6:30 |
| 10 | 12.6 | 5:50 | 6:28 |
| 11 | 12.6 | 5:51 | 6:26 |
| 12 | 12.5 | 5:52 | 6:24 |
| 13 | 12.5 | 5:54 | 6:22 |
| 14 | 12.4 | 5:55 | 6:20 |
| 15 | 12.4 | 5:56 | 6:18 |
| 16 | 12.3 | 5:57 | 6:16 |
| 17 | 12.3 | 5:59 | 6:14 |
| 18 | 12.2 | 6:00 | 6:12 |
| 19 | 12.2 | 6:01 | 6:10 |
| 20 | 12.1 | 6:02 | 6:08 |
| 21 | 12.0 | 6:04 | 6:06 |
| 22 | 12.0 | 6:05 | 6:04 |
| 23 | 11.9 | 6:06 | 6:02 |
| 24 | 11.9 | 6:08 | 6:00 |
| 25 | 11.8 | 6:09 | 5:58 |
| 26 | 11.8 | 6:10 | 5:56 |
| 27 | 11.7 | 6:11 | 5:54 |
| 28 | 11.7 | 6:13 | 5:52 |
| 29 | 11.6 | 6:14 | 5:50 |
| 30 | 11.6 | 6:15 | 5:48 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.01 kWh/m².
For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.32 kWh/m² in July across the year — September's 4.01 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) | 4.7 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 3.9 | 3.8 | 3.8 | 3.7 | 3.7 | 3.6 | 3.6 | 3.5 | 3.5 | 3.4 | 3.4 | 3.3 | 3.3 | 3.2 |
| Level | 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 | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.6 | Bright |
| 4 | 4.6 | Bright |
| 5 | 4.5 | Bright |
| 6 | 4.5 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.3 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.0 | Bright |
| 16 | 4.0 | Moderate |
| 17 | 3.9 | Moderate |
| 18 | 3.8 | Moderate |
| 19 | 3.8 | Moderate |
| 20 | 3.7 | Moderate |
| 21 | 3.7 | Moderate |
| 22 | 3.6 | Moderate |
| 23 | 3.6 | Moderate |
| 24 | 3.5 | Moderate |
| 25 | 3.5 | Moderate |
| 26 | 3.4 | Moderate |
| 27 | 3.4 | Moderate |
| 28 | 3.3 | Moderate |
| 29 | 3.3 | Moderate |
| 30 | 3.2 | Moderate |
Is September a good time to visit Arcella?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is one of the better times to visit Arcella for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Arcella in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Arcella sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes and rain gear. About 9 days see rain.
Sea temperature near Arcella in September
The nearest coast averages about 23°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 38 km away) is warmest in August at about 26°C and coldest in February near 9°C.
It's comfortable for a long swim from May 28 to Oct 7 — about 4.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 10 | 9 | 10 | 14 | 18 | 23 | 25 | 26 | 23 | 19 | 16 | 13 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 10 | Bracing |
| Feb | 9 | Bracing |
| Mar | 10 | Bracing |
| Apr | 14 | Bracing |
| May | 18 | Cool |
| Jun | 23 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 23 | Refreshing |
| Oct | 19 | Cool |
| Nov | 16 | Cool |
| Dec | 13 | Bracing |
UV index in Arcella in September
Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arcella peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 7 | 7 | 7 | 8 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Arcella 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 Arcella is worst in January — around 24 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (September, 14 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) | 24 | 21 | 23 | 22 | 18 | 19 | 17 | 16 | 14 | 17 | 17 | 20 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 24 | Moderate |
| Feb | 21 | Moderate |
| Mar | 23 | Moderate |
| Apr | 22 | Moderate |
| May | 18 | Moderate |
| Jun | 19 | Moderate |
| Jul | 17 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 17 | Moderate |
| Nov | 17 | Moderate |
| Dec | 20 | Moderate |
Where is Arcella?
Arcella sits at 45.4°N, 11.9°E, 12 m above sea level, in Italy. The nearest listed city is Padua, 2.0 km away.
Topography around Arcella
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arcella.
Within 3 km, the terrain around Arcella has only modest variations in elevation — a maximum elevation change of 23 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 239 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,316 m.
The land around Arcella is covered by artificial surfaces (56%) within 3 km, cropland (49%), grassland (21%) and artificial surfaces (20%) within 16 km, and cropland (39%) and trees (20%) within 80 km.
Italy travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 230 V · 50 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $43,309
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 513
- 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 Arcella (45.4218°, 11.8875°, elevation 12 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. 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).