Bordeaux is typically warm in September.

Maximum temperatures go down compared to the previous month from +81°F to +75°F. The minimum temperature also goes down from +61°F to +55°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

September is one of the warmest months in Bordeaux, here is the comparison with other months:

September weather is still as good as in August. It’s getting colder in September. From +81°F in the day, the average maximum temperature lowers to +75°F. Prepare for more rain. Average rainfall goes from 49 mm to 58 mm. Humidity rises from 69% to 73%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.

Next month (October) brings a further decline in the weather.

The climate in Bordeaux in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1979 (+62°F) and the highest in 2022 (+69°F). The driest year was 2005 with only 515 mm of rainfall, and the wettest year was 2020 with 1115 mm.

For this page, we’ve looked at the typical weather in Bordeaux, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.