N'Djamena weather in September
September in N'Djamena: sweltering, a little rain, with clean air — a good time to visit.
#6 of 12 months in N'Djamena · #461 of 604 destinations to visit in September · comfort 66/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
N'Djamena climate normals — September
| Daytime high | 33°C / 91°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 76°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 72 mm / 2.9 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.2 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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N'Djamena in September — FAQ
- Is September a good time to visit N'Djamena?
- September in N'Djamena: sweltering, a little rain, with clean air — a good time to visit. It ranks #6 of 12 months for N'Djamena on SeasonMap's comfort score (66/100).
- What is the weather like in N'Djamena in September?
- In September, N'Djamena averages a daily high of 32.6°C and a low of 24.3°C, with about 72.4 mm of rain over roughly 10.4 rainy days.
- What is the air quality in N'Djamena in September?
- N'Djamena has a mean US Air Quality Index of about 47 in September.