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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Cotonou

Cotonou in September

Mixed month. Second rains.

Key facts

Verdict
Mixed
Temperature
29°C / 24°C
average high / low
Rain days
9
Crowds
Low
Benin overall
Prices
Low
Benin overall

Verdict

MixedVoykit month rating for Cotonou

Second rains.

Weather in September

Long-term averages
  • CotonouHighs around 29 °C, lows around 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.

Crowds and prices

Crowds · Benin overall
Low
Prices · Benin overall
Low

Benin overall: Second rains start.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Benin in September →