When to go · Cotonou

Cotonou in September

Mixed month. Second rains.

Key facts

Verdict: Mixed
Temperature: 29°C (84°F)84°F (29°C) / 24°C (75°F)75°F (24°C); average high / low
Rain days: 9
Crowds: Low; Benin overall
Prices: Low; Benin overall

Plan around it

Verdict

MixedVoykit month rating for Cotonou

Second rains.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

September is rated mixed. These months rate higher:

Long-term averages

CotonouHighs around 29 °C (84 °F), lows around 24 °C (75 °F), rain on about 9 daysHighs around 84 °F (29 °C), lows around 75 °F (24 °C), rain on about 9 days
Coast and lagoons, Benin · Cotonou, Ouidah, Porto-Novo, Grand-Popo, Ganviérainy
Two rainy seasons; July–August is often a drier, cooler break. Humid all year.

Short dry spell and second rains season

Fewer visitors and calmer roads.

Watch: Cloudy skies in August and showers in September and October.

Benin overall: Second rains start.

Weather, crowds and prices for any two months in Cotonou, side by side.

First month

Second month

September: Second rains.

January: Dry season; dusty haze; Vodun Day on 10 Jan.

Cotonou: figures are long-term averages from this guide, not a forecast.