Weather in Congo-Brazzaville in september
Country-wide climate normals across 15 cities in Congo-Brazzaville.
How Hot Is Congo-Brazzaville in september?
Congo-Brazzaville bakes evenly in September — highs around 30°C are typical from Pointe-Noire all the way to Brazzaville, with very little regional variation. Lows sit around 22°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Congo-Brazzaville in september
Congo-Brazzaville sees limited sun in September: just 1.1h a day in Brazzaville, with heavy cloud cover common across most regions. Daylight runs from 5:50 am to 5:55 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Congo-Brazzaville In september?
Congo-Brazzaville's September is wet across most regions: 101mm in Brazzaville across 15 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is Congo-Brazzaville Humid In september?
Congo-Brazzaville's September is humid — 72% on average in Brazzaville, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.
Wind In Congo-Brazzaville In september
Light breezes are typical across Congo-Brazzaville in September: 11 kph in Brazzaville, 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 Congo-Brazzaville In september
Congo-Brazzaville's September is dominated by overcast skies: Brazzaville averages 79% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.