Civitavecchia weather in September
In September, Civitavecchia sees average daytime highs of 23°C and overnight lows near 21°C, with 77 mm of rain across 7.3 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.
Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 62% of the time in September, and the air most often feels muggy.
Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Civitavecchia's 4th-clearest and 8th-windiest month. For the whole year in context, see Civitavecchia's year-round climate.
- Daytime high
- 23°
- 3rd warmest
- Overnight low
- 21°
- 10th coldest
- Rainfall
- 77 mm
- 7.3 wet days
- Daylight
- 12 h 18 min
- 5:59 AM – 6:16 PM
- Cloud cover
- 35%
- 4th clearest
- Wind
- 16 km/h
- 8th windiest
- Solar energy
- 4.72 kWh/m²
- Travel score
- 7.6
- out of 10
- Air quality
- Good
- PM2.5 8.7 µg/m³ · 2019
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 24°C in the first days to 22°C by the end.
A typical September day in Civitavecchia reaches about 23°C in the afternoon and slips back to 21°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°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) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 22 |
| 2 | 24 | 22 |
| 3 | 24 | 22 |
| 4 | 24 | 22 |
| 5 | 24 | 22 |
| 6 | 24 | 22 |
| 7 | 24 | 21 |
| 8 | 24 | 21 |
| 9 | 24 | 21 |
| 10 | 23 | 21 |
| 11 | 23 | 21 |
| 12 | 23 | 21 |
| 13 | 23 | 21 |
| 14 | 23 | 21 |
| 15 | 23 | 21 |
| 16 | 23 | 20 |
| 17 | 23 | 20 |
| 18 | 23 | 20 |
| 19 | 23 | 20 |
| 20 | 22 | 20 |
| 21 | 22 | 20 |
| 22 | 22 | 20 |
| 23 | 22 | 20 |
| 24 | 22 | 20 |
| 25 | 22 | 19 |
| 26 | 22 | 19 |
| 27 | 22 | 19 |
| 28 | 22 | 19 |
| 29 | 22 | 19 |
| 30 | 21 | 19 |
Civitavecchia weather by month
How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 10° | 75 | 9.9 | 9.3 | 3.4 |
| Feb | 12° / 9° | 71 | 9.1 | 10.3 | 3.4 |
| Mar | 13° / 11° | 62 | 7.6 | 11.7 | 4.2 |
| Apr | 15° / 13° | 56 | 7.9 | 13.1 | 5.1 |
| May | 19° / 16° | 33 | 5.7 | 14.4 | 6.9 |
| Jun | 22° / 20° | 21 | 3.2 | 15 | 8.4 |
| Jul | 25° / 23° | 12 | 1.4 | 14.8 | 9.2 |
| Aug | 25° / 23° | 19 | 2.3 | 13.7 | 8.8 |
| Sep | 23° / 21° | 77 | 7.3 | 12.3 | 7.6 |
| Oct | 20° / 17° | 117 | 10.3 | 10.8 | 6.5 |
| Nov | 16° / 14° | 153 | 12.7 | 9.6 | 4.9 |
| Dec | 13° / 11° | 101 | 12.1 | 9 | 3.8 |
Cloud cover in September
The sky is clear or mostly clear about 62% 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 24%. 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 (%) | 84 | 83 | 82 | 82 | 81 | 81 | 80 | 78 | 78 | 77 | 77 | 76 | 75 | 75 | 74 | 74 | 73 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 71 |
| Cloudier (%) | 16 | 17 | 18 | 18 | 19 | 19 | 20 | 22 | 22 | 23 | 23 | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 84 | 16 |
| 2 | 83 | 17 |
| 3 | 82 | 18 |
| 4 | 82 | 18 |
| 5 | 81 | 19 |
| 6 | 81 | 19 |
| 7 | 80 | 20 |
| 8 | 78 | 22 |
| 9 | 78 | 22 |
| 10 | 77 | 23 |
| 11 | 77 | 23 |
| 12 | 76 | 24 |
| 13 | 75 | 25 |
| 14 | 75 | 25 |
| 15 | 74 | 26 |
| 16 | 74 | 26 |
| 17 | 73 | 27 |
| 18 | 73 | 27 |
| 19 | 73 | 27 |
| 20 | 73 | 27 |
| 21 | 73 | 27 |
| 22 | 72 | 28 |
| 23 | 72 | 28 |
| 24 | 72 | 28 |
| 25 | 72 | 28 |
| 26 | 72 | 28 |
| 27 | 72 | 28 |
| 28 | 71 | 29 |
| 29 | 71 | 29 |
| 30 | 71 | 29 |
Chance of precipitation in September
Civitavecchia gets around 77 mm of rain over 7.3 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 25% and peaks near 29% on the wettest days. The odds climb 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 (%) | 16 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 |
| Rain chance (%) | |
|---|---|
| 1 | 16 |
| 2 | 16 |
| 3 | 17 |
| 4 | 18 |
| 5 | 19 |
| 6 | 20 |
| 7 | 21 |
| 8 | 22 |
| 9 | 23 |
| 10 | 24 |
| 11 | 24 |
| 12 | 25 |
| 13 | 26 |
| 14 | 26 |
| 15 | 27 |
| 16 | 27 |
| 17 | 28 |
| 18 | 28 |
| 19 | 28 |
| 20 | 28 |
| 21 | 28 |
| 22 | 28 |
| 23 | 28 |
| 24 | 28 |
| 25 | 28 |
| 26 | 28 |
| 27 | 28 |
| 28 | 28 |
| 29 | 29 |
| 30 | 29 |
Humidity in September
Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the muggy band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 42% 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 (%) | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 |
| Comfortable (%) | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 23 | 24 | 25 | 26 | 26 | 27 | 28 | 29 |
| Humid (%) | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 31 | 32 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 34 | 35 | 36 | 37 | 37 | 38 | 38 |
| Muggy (%) | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 38 | 37 | 36 | 35 | 33 | 32 | 30 | 29 | 28 | 26 | 25 | 23 | 22 | 20 | 19 |
| Oppressive (%) | 24 | 22 | 19 | 17 | 16 | 14 | 13 | 11 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 |
| Miserable (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 4 | 8 | 25 | 39 | 24 | 1 |
| 2 | 5 | 8 | 26 | 39 | 22 | 0 |
| 3 | 5 | 9 | 27 | 39 | 19 | 0 |
| 4 | 5 | 10 | 28 | 39 | 17 | 0 |
| 5 | 5 | 10 | 29 | 39 | 16 | 0 |
| 6 | 6 | 11 | 30 | 39 | 14 | 0 |
| 7 | 6 | 11 | 31 | 39 | 13 | 0 |
| 8 | 6 | 12 | 31 | 40 | 11 | 0 |
| 9 | 6 | 12 | 32 | 40 | 10 | 0 |
| 10 | 6 | 13 | 32 | 40 | 9 | 0 |
| 11 | 7 | 13 | 32 | 40 | 8 | 0 |
| 12 | 7 | 14 | 32 | 40 | 8 | 0 |
| 13 | 7 | 14 | 31 | 40 | 7 | 0 |
| 14 | 7 | 15 | 32 | 40 | 6 | 0 |
| 15 | 8 | 16 | 31 | 39 | 6 | 0 |
| 16 | 8 | 17 | 31 | 38 | 5 | 0 |
| 17 | 8 | 18 | 31 | 37 | 5 | 0 |
| 18 | 9 | 19 | 32 | 36 | 4 | 0 |
| 19 | 10 | 20 | 32 | 35 | 4 | 0 |
| 20 | 10 | 21 | 32 | 33 | 3 | 0 |
| 21 | 11 | 22 | 32 | 32 | 3 | 0 |
| 22 | 11 | 23 | 33 | 30 | 3 | 0 |
| 23 | 12 | 23 | 33 | 29 | 2 | 0 |
| 24 | 12 | 24 | 34 | 28 | 2 | 0 |
| 25 | 13 | 25 | 35 | 26 | 1 | 0 |
| 26 | 13 | 26 | 36 | 25 | 1 | 0 |
| 27 | 13 | 26 | 37 | 23 | 1 | 0 |
| 28 | 13 | 27 | 37 | 22 | 1 | 0 |
| 29 | 14 | 28 | 38 | 20 | 0 | 0 |
| 30 | 14 | 29 | 38 | 19 | 0 | 0 |
Wind in September
Winds average 16 km/h in September.
Across September, daily wind ranges from about 15 km/h on the calmest days to 16 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) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| 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 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
Sunrise & sunset in September
Daylight runs from about 13 hours 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 84 minutes over September. Sunrise moves from 5:43 AM to 6:14 AM, and sunset from 6:42 PM to 5:50 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) | 13.0 | 12.9 | 12.9 | 12.9 | 12.8 | 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 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.8 | 11.8 | 11.7 | 11.7 | 11.6 | 11.6 |
| Sunrise (AM) | 5:43 | 5:44 | 5:45 | 5:46 | 5:47 | 5:48 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:54 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:14 |
| Sunset (PM) | 6:42 | 6:41 | 6:39 | 6:37 | 6:35 | 6:34 | 6:32 | 6:30 | 6:28 | 6:26 | 6:25 | 6:23 | 6:21 | 6:19 | 6:17 | 6:16 | 6:14 | 6:12 | 6:10 | 6:08 | 6:06 | 6:05 | 6:03 | 6:01 | 5:59 | 5:57 | 5:55 | 5:54 | 5:52 | 5:50 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.0 | 5:43 | 6:42 |
| 2 | 12.9 | 5:44 | 6:41 |
| 3 | 12.9 | 5:45 | 6:39 |
| 4 | 12.9 | 5:46 | 6:37 |
| 5 | 12.8 | 5:47 | 6:35 |
| 6 | 12.8 | 5:48 | 6:34 |
| 7 | 12.7 | 5:49 | 6:32 |
| 8 | 12.7 | 5:50 | 6:30 |
| 9 | 12.6 | 5:51 | 6:28 |
| 10 | 12.6 | 5:52 | 6:26 |
| 11 | 12.5 | 5:53 | 6:25 |
| 12 | 12.5 | 5:54 | 6:23 |
| 13 | 12.4 | 5:56 | 6:21 |
| 14 | 12.4 | 5:57 | 6:19 |
| 15 | 12.3 | 5:58 | 6:17 |
| 16 | 12.3 | 5:59 | 6:16 |
| 17 | 12.2 | 6:00 | 6:14 |
| 18 | 12.2 | 6:01 | 6:12 |
| 19 | 12.1 | 6:02 | 6:10 |
| 20 | 12.1 | 6:03 | 6:08 |
| 21 | 12.0 | 6:04 | 6:06 |
| 22 | 12.0 | 6:05 | 6:05 |
| 23 | 11.9 | 6:06 | 6:03 |
| 24 | 11.9 | 6:07 | 6:01 |
| 25 | 11.8 | 6:09 | 5:59 |
| 26 | 11.8 | 6:10 | 5:57 |
| 27 | 11.7 | 6:11 | 5:55 |
| 28 | 11.7 | 6:12 | 5:54 |
| 29 | 11.6 | 6:13 | 5:52 |
| 30 | 11.6 | 6:14 | 5:50 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.72 kWh/m².
For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 7.21 kWh/m² in July across the year — September's 4.72 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) | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.2 | 5.2 | 5.1 | 5.1 | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.1 | 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 | Bright | Bright | Bright | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.2 | Bright |
| 7 | 5.2 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.0 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.8 | Bright |
| 14 | 4.8 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.3 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.1 | Bright |
| 29 | 4.0 | Bright |
| 30 | 4.0 | Moderate |
Hazard calendar for Civitavecchia
In September, Civitavecchia sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Civitavecchia's rainy season runs September–February, when most of the year's rain falls.
Is September a good time to visit Civitavecchia?
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 Civitavecchia for general sightseeing.
What to pack for Civitavecchia in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Civitavecchia sees daytime highs around 23°C and nights near 21°C. Worth packing: light clothes and sun protection. About 7 days see rain.
Sea temperature near Civitavecchia 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 15 km away) is warmest in August at about 25°C and coldest in February near 14°C.
It's comfortable for a long swim from Jun 2 to Oct 29 — about 4.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 14 | 15 | 18 | 22 | 24 | 25 | 23 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Civitavecchia 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 Civitavecchia peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 5 | 4 | 7 | 8 | 9 | 8 | 5 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 4 | Moderate |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Civitavecchia?
Civitavecchia sits at 42.1°N, 11.8°E, 10 m above sea level, in Italy. The nearest listed city is Cerveteri, 27 km away.
Topography around Civitavecchia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Civitavecchia.
Within 3 km, the terrain around Civitavecchia has only modest variations in elevation — a maximum elevation change of 178 m around an average of 37 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 636 m; within 80 km, large variations in elevation — a maximum elevation change of 1,119 m.
The land around Civitavecchia is covered by water (38%) and artificial surfaces (25%) within 3 km, water (54%) within 16 km, and water (37%) and trees (32%) 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 Civitavecchia (42.0932°, 11.7967°, elevation 10 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).