Rome in September
7.4out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 11 rainy days.
21°CAvg high
12°CAvg low
11Rainy days (112 mm)
12:17 hDaylight
06:48Sunrise · 19:04 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 11 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.0 rainy days), so check the forecast closer to your trip. 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 | -1°C | -9°C | 106 mm | 16 | – | – | 2.8 |
| February | 0°C | -9°C | 89 mm | 14 | – | – | 3.2 |
| March | 5°C | -4°C | 106 mm | 14 | – | – | 4.0 |
| April | 13°C | 3°C | 120 mm | 14 | – | – | 5.6 |
| May | 20°C | 9°C | 115 mm | 14 | – | – | 6.7 |
| June | 24°C | 14°C | 137 mm | 14 | – | – | 7.0 |
| July | 26°C | 16°C | 120 mm | 13 | – | – | 7.1 |
| August | 25°C | 16°C | 112 mm | 13 | – | – | 7.2 |
| September | 21°C | 12°C | 112 mm | 11 | – | – | 7.4 |
| October | 14°C | 6°C | 130 mm | 14 | – | – | 5.8 |
| November | 8°C | 0°C | 115 mm | 15 | – | – | 4.5 |
| December | 2°C | -6°C | 121 mm | 17 | – | – | 2.9 |
Frequently asked questions
How hot is Rome in September?
Daytime highs average 21°C and nights about 12°C.
When is the best time to visit Rome?
The best months are September, August, July, June.