Toulouse weather in September
September in Toulouse: warm, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Toulouse · #153 of 604 destinations to visit in September · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Toulouse climate normals — September
| Daytime high | 26°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 63 mm / 2.5 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 61% | 💧 humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 10 h/day | |
| Daylight | 12.5 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Toulouse in September — FAQ
- Is September a good time to visit Toulouse?
- September in Toulouse: warm, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Toulouse on SeasonMap's comfort score (87/100).
- What is the weather like in Toulouse in September?
- In September, Toulouse averages a daily high of 26.4°C and a low of 16.2°C, with about 62.6 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Toulouse in September?
- Toulouse has a mean US Air Quality Index of about 35 in September.