Bordeaux weather in September
September in Bordeaux: warm, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Bordeaux · #86 of 604 destinations to visit in September · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Bordeaux climate normals — September
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 57 mm / 2.3 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 66% | 💧 humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 12.5 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Bordeaux?
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Bordeaux in September — FAQ
- Is September a good time to visit Bordeaux?
- September in Bordeaux: warm, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Bordeaux on SeasonMap's comfort score (89/100).
- What is the weather like in Bordeaux in September?
- In September, Bordeaux averages a daily high of 25.9°C and a low of 15.6°C, with about 57.2 mm of rain over roughly 9.8 rainy days.
- What is the air quality in Bordeaux in September?
- Bordeaux has a mean US Air Quality Index of about 35 in September.