Climate averages 1991–2020
Pau weather
in September.
A mild, wet month: the 4th warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Pau: daytime highs average 21.5°C and nights cool to about 12.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 98 mm of rain on roughly 12 days, which makes September a wet month (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 12 h 33 min on an average September day.
The nearest other city in this atlas is Pamplona (118 km away). In September its highs average 22.2°C, 0.7°C warmer than Pau, with 50 mm of rain.
Among the 57 cities listed in France, Pau ranks 21st of 57 for the warmest September highs and 55th of 57 for the driest September (rainfall, lowest first). The mean September high of those 57 cities is 21.3°C; Pau is 0.3°C warmer than that mean.
From September to October, average highs fall by 3.5°C to 18.1°C, and monthly rainfall rises from 98 mm to 123 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
Pau climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.5°C1.7°C | 1.7°C | 112 | 13.8 | 9.49 h |
| February | 10.3°C1.8°C | 1.8°C | 98 | 12.4 | 10.510 h |
| March | 13.5°C4.1°C | 4.1°C | 107 | 13.7 | 11.912 h |
| April | 15.4°C6.1°C | 6.1°C | 145 | 16.4 | 13.413 h |
| May | 18.8°C9.7°C | 9.7°C | 159 | 16.3 | 14.715 h |
| June | 22.1°C13.0°C | 13.0°C | 128 | 14.0 | 15.315 h |
| July | 24.1°C15.1°C | 15.1°C | 105 | 12.1 | 15.115 h |
| August | 24.5°C15.5°C | 15.5°C | 104 | 12.5 | 14.014 h |
| September, selected | 21.5°C12.6°C | 12.6°C | 98 | 11.9 | 12.513 h |
| October | 18.1°C9.5°C | 9.5°C | 123 | 13.7 | 11.111 h |
| November | 12.7°C5.1°C | 5.1°C | 138 | 14.2 | 9.810 h |
| December | 10.1°C2.6°C | 2.6°C | 108 | 13.2 | 9.09 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
- Pamplona in SeptemberSpain · 118 kmHigh 22.2°C · Low 12.7°C · 50 mm rain
- Donostia / San Sebastián in SeptemberSpain · 131 kmHigh 21.4°C · Low 15.6°C · 96 mm rain
- Toulouse in SeptemberFrance · 149 kmHigh 24.0°C · Low 14.3°C · 56 mm rain
- Bordeaux in SeptemberFrance · 171 kmHigh 23.8°C · Low 13.9°C · 58 mm rain
- Andorra la Vella in SeptemberAndorra · 177 kmHigh 20.4°C · Low 10.9°C · 66 mm rain
- Zaragoza in SeptemberSpain · 189 kmHigh 27.0°C · Low 15.5°C · 26 mm rain
- Logroño in SeptemberSpain · 195 kmHigh 23.3°C · Low 12.9°C · 32 mm rain
- Gasteiz / Vitoria in SeptemberSpain · 195 kmHigh 21.9°C · Low 12.2°C · 43 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 Pau) is explained once on the Pau year overview and on the Sources, method and limits page.