Weather in Benin in september
Country-wide climate normals across 15 cities in Benin.
How Hot Is Benin in september?
Benin sees consistently hot September weather — average highs of 29°C, average lows of 23°C, with minimal regional differences. Whether you're in Cotonou or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Benin in september
Limited sunshine and short daylight define Benin's September: Cotonou averages just 0.9h of direct sun, with the sun up between 6:40 am and 6:50 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Benin In september?
Monsoon-like conditions dominate Benin's September: Cotonou sees 204mm of rain across 23 days, similar nationwide. Heavy showers fall almost daily, often in dramatic afternoon downpours. Sunshine is brief between storms, and humidity stays high throughout the month.
Is Benin Humid In september?
Saturated air defines Benin's September: humidity at 82% in Cotonou, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In Benin In september
Light breezes are typical across Benin in September: 14 kph in Cotonou, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In Benin In september
Benin's September is dominated by overcast skies: Cotonou averages 79% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.