Climate averages 1991–2020
Bordeaux weather
in September.
A warm, moderately wet month: the 4th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Bordeaux: daytime highs average 23.8°C and nights cool to about 13.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 58 mm of rain on roughly 9 days, which makes September a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 34 min on an average September day.
The nearest other city in this atlas is La Rochelle (154 km away). In September its highs average 21.6°C, 2.2°C cooler than Bordeaux, with 55 mm of rain.
Among the 57 cities listed in France, Bordeaux ranks joint 8th of 57 for the warmest September highs and 31st of 57 for the driest September (rainfall, lowest first). The mean September high of those 57 cities is 21.3°C; Bordeaux is 2.5°C warmer than that mean.
From September to October, average highs fall by 4.5°C to 19.4°C, and monthly rainfall rises from 58 mm to 67 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
Bordeaux climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.1°C3.5°C | 3.5°C | 71 | 10.8 | 9.29 h |
| February | 11.3°C3.2°C | 3.2°C | 50 | 9.2 | 10.410 h |
| March | 14.8°C5.4°C | 5.4°C | 53 | 10.1 | 11.912 h |
| April | 17.3°C7.8°C | 7.8°C | 69 | 11.9 | 13.513 h |
| May | 21.0°C11.3°C | 11.3°C | 75 | 11.5 | 14.815 h |
| June | 24.4°C14.6°C | 14.6°C | 64 | 9.5 | 15.516 h |
| July | 26.6°C16.5°C | 16.5°C | 48 | 7.9 | 15.215 h |
| August | 27.1°C16.7°C | 16.7°C | 57 | 8.0 | 14.114 h |
| September, selected | 23.8°C13.9°C | 13.9°C | 58 | 8.6 | 12.613 h |
| October | 19.4°C11.1°C | 11.1°C | 67 | 10.5 | 11.011 h |
| November | 13.7°C6.9°C | 6.9°C | 79 | 11.6 | 9.610 h |
| December | 10.7°C4.3°C | 4.3°C | 73 | 11.4 | 8.99 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
- La Rochelle in SeptemberFrance · 154 kmHigh 21.6°C · Low 14.4°C · 55 mm rain
- Pau in SeptemberFrance · 171 kmHigh 21.5°C · Low 12.6°C · 98 mm rain
- Limoges in SeptemberFrance · 181 kmHigh 20.5°C · Low 12.0°C · 78 mm rain
- Donostia / San Sebastián in SeptemberSpain · 203 kmHigh 21.4°C · Low 15.6°C · 96 mm rain
- Poitiers in SeptemberFrance · 206 kmHigh 21.7°C · Low 12.6°C · 50 mm rain
- Toulouse in SeptemberFrance · 212 kmHigh 24.0°C · Low 14.3°C · 56 mm rain
- Pamplona in SeptemberSpain · 241 kmHigh 22.2°C · Low 12.7°C · 50 mm rain
- Bilbao in SeptemberSpain · 257 kmHigh 21.5°C · Low 15.9°C · 65 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 Bordeaux) is explained once on the Bordeaux year overview and on the Sources, method and limits page.