Saint-Denis weather in October
October in Saint-Denis: hot, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Saint-Denis · #109 of 604 destinations to visit in October · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Saint-Denis climate normals — October
| Daytime high | 26°C / 78°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Feels like (high) | 30°C / 86°F | |
| Rainfall | 63 mm / 2.5 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 11.7 h/day | |
| Daylight | 12.6 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Saint-Denis?
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Saint-Denis in October — FAQ
- Is October a good time to visit Saint-Denis?
- October in Saint-Denis: hot, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Saint-Denis on SeasonMap's comfort score (87/100).
- What is the weather like in Saint-Denis in October?
- In October, Saint-Denis averages a daily high of 25.7°C and a low of 21.5°C, with about 62.8 mm of rain over roughly 12 rainy days.
- What is the air quality in Saint-Denis in October?
- Saint-Denis has a mean US Air Quality Index of about 40 in October.