Paris weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: May – September
What is the weather like in Paris in September?
In September, Paris is warm: daytime highs average 21 °C, and nights cool down to about 12 °C. Expect around 6 hours of sunshine a day. Rain falls on about 9 days, adding up to 45 mm. All in all, September is an excellent month for a holiday in Paris.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 81 | 80 | 59 |
| Day | 25° | 21° | 17° |
| Night | 15° | 12° | 9° |
| Sun | 7 h | 6 h | 4 h |
| Rain days | 10 | 9 | 11 |
More details for September
- Daylight
- 12 h 41 min07:26 – 20:06
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 58 %on average
- Hot days
- 1 day30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %47 %
- Few rainy daysweight 30 %68 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Paris in September: quick answers
Is Paris hot in September?
Warm rather than hot: in September, daytime highs in Paris average 21 °C and nights cool to about 12 °C.
Does it rain much in Paris in September?
Rain falls on about 9 days, adding up to 45 mm.
Paris month by month
The whole year in ParisAll destinations: FranceWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)