What is the weather like in Niamey vs Saint-Louis in September?

In September, Niamey averages 35°C high / 25°C low with about 40 mm of rain; Saint-Louis averages 33°C high / 25°C low with about 64 mm.

Niamey vs Saint-Louis in September

Niamey is the better pick in September — 66 vs 62 on SeasonMap's comfort score. Niamey is sweltering, a little rain, clean air, while Saint-Louis is sweltering, a little rain, muggy air.

Niamey vs Saint-Louis — September climate, side by side

	🇳🇪 Niamey	🇸🇳 Saint-Louis
Comfort score	66/100 (C)	62/100 (C)
Feels-like high	40°C	39°C
Avg high / low	35° / 25°	33° / 25°
Rainfall	40 mm	64 mm
Rainy days	6	8
Humidity	68%	78%
Air quality (AQI)	33	74

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Niamey vs Saint-Louis in September — FAQ

Is September better in Niamey or Saint-Louis?: Niamey is the better pick in September — 66 vs 62 on SeasonMap's comfort score. Niamey is sweltering, a little rain, clean air, while Saint-Louis is sweltering, a little rain, muggy air.
What is the weather like in Niamey vs Saint-Louis in September?: In September, Niamey averages 35°C high / 25°C low with about 40 mm of rain; Saint-Louis averages 33°C high / 25°C low with about 64 mm.