Paris weather in September
September in Paris: nice, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Paris · #141 of 604 destinations to visit in September · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Paris climate normals — September
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 56°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 50 mm / 2 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.6 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Paris?
Loading map…
Paris in September — FAQ
- Is September a good time to visit Paris?
- September in Paris: nice, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Paris on SeasonMap's comfort score (87/100).
- What is the weather like in Paris in September?
- In September, Paris averages a daily high of 22.9°C and a low of 13.4°C, with about 50.3 mm of rain over roughly 8.6 rainy days.
- What is the air quality in Paris in September?
- Paris has a mean US Air Quality Index of about 42 in September.