Climate averages 1991–2020
Poitiers weather
in September.
A mild, moderately wet month: the 4th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Poitiers: daytime highs average 21.7°C and nights cool to about 12.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 50 mm of rain on roughly 8 days, which makes September a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average September day.
The nearest other city in this atlas is Tours (94 km away). In September its highs average 21.6°C, about as warm as Poitiers, with 49 mm of rain.
Among the 57 cities listed in France, Poitiers ranks 18th of 57 for the warmest September highs and joint 16th of 57 for the driest September (rainfall, lowest first). The mean September high of those 57 cities is 21.3°C; Poitiers is 0.4°C warmer than that mean.
From September to October, average highs fall by 4.6°C to 17.1°C, and monthly rainfall rises from 50 mm to 72 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Poitiers climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.0°C2.7°C | 2.7°C | 64 | 11.3 | 9.09 h |
| February | 9.1°C2.2°C | 2.2°C | 51 | 9.7 | 10.310 h |
| March | 12.6°C4.3°C | 4.3°C | 55 | 10.7 | 11.912 h |
| April | 15.3°C6.4°C | 6.4°C | 62 | 11.6 | 13.514 h |
| May | 19.0°C10.0°C | 10.0°C | 72 | 11.7 | 15.015 h |
| June | 22.6°C13.4°C | 13.4°C | 59 | 9.5 | 15.816 h |
| July | 24.9°C15.3°C | 15.3°C | 44 | 7.8 | 15.415 h |
| August | 25.2°C15.5°C | 15.5°C | 49 | 7.6 | 14.214 h |
| September, selected | 21.7°C12.6°C | 12.6°C | 50 | 7.9 | 12.613 h |
| October | 17.1°C9.9°C | 9.9°C | 72 | 11.4 | 10.911 h |
| November | 11.6°C5.8°C | 5.8°C | 71 | 12.1 | 9.59 h |
| December | 8.5°C3.2°C | 3.2°C | 71 | 11.3 | 8.69 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Tours in SeptemberFrance · 94 kmHigh 21.6°C · Low 12.8°C · 49 mm rain
- Limoges in SeptemberFrance · 109 kmHigh 20.5°C · Low 12.0°C · 78 mm rain
- Angers in SeptemberFrance · 120 kmHigh 21.3°C · Low 12.6°C · 50 mm rain
- La Rochelle in SeptemberFrance · 124 kmHigh 21.6°C · Low 14.4°C · 55 mm rain
- Le Mans in SeptemberFrance · 158 kmHigh 20.8°C · Low 12.2°C · 51 mm rain
- Nantes in SeptemberFrance · 160 kmHigh 21.3°C · Low 13.0°C · 49 mm rain
- Orléans, France in SeptemberFrance · 188 kmHigh 21.0°C · Low 12.2°C · 50 mm rain
- Bordeaux in SeptemberFrance · 206 kmHigh 23.8°C · Low 13.9°C · 58 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Poitiers) is explained once on the Poitiers year overview and on the Sources, method and limits page.