Formia in September
7.9out of 10
Yes, a good time to go
Warm and comfortable: highs around 24°C. Some rain: about 8 rainy days.
24°CAvg high
19°CAvg low
8Rainy days (96 mm)
12:16 hDaylight
06:52Sunrise · 19:08 Sunset
Why this score
- Warm and comfortable: highs around 24°C
- Some rain: about 8 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (3.0 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 12°C | 7°C | 102 mm | 10 | – | – | 6.0 |
| February | 12°C | 7°C | 99 mm | 10 | – | – | 6.1 |
| March | 14°C | 9°C | 92 mm | 10 | – | – | 6.4 |
| April | 16°C | 11°C | 82 mm | 10 | – | – | 6.7 |
| May | 20°C | 15°C | 52 mm | 7 | – | – | 7.8 |
| June | 24°C | 19°C | 26 mm | 4 | – | – | 8.5 |
| July | 26°C | 21°C | 14 mm | 3 | – | – | 8.7 |
| August | 27°C | 22°C | 19 mm | 3 | – | – | 8.7 |
| September | 24°C | 19°C | 96 mm | 8 | – | – | 7.9 |
| October | 20°C | 16°C | 146 mm | 11 | – | – | 7.1 |
| November | 16°C | 12°C | 202 mm | 14 | – | – | 5.8 |
| December | 13°C | 9°C | 146 mm | 12 | – | – | 5.7 |
Frequently asked questions
How hot is Formia in September?
Daytime highs average 24°C and nights about 19°C.
When is the best time to visit Formia?
The best months are July, August, June.