Guinea in September: Weather, Crowds & What to Expect

Season
Low Season
Temperature
24-31°C (75-88°F)
Crowds
Low
Prices
Low
Rain remains common though rainfall may begin to decrease late in the month in some regions. Humidity is high and mosquitoes increase in number. Flight schedules around rainy-season storms can occasionally be disrupted.

Climate Map for September

Guinea average temperature in September
-30°-20°-10° 10°20°30°40°

Average temperature across Guinea in September.

City Weather in September

City High Low Rain UV Feels
Conakry 30° 22° 572 mm extreme Warm
Grand Mosque of Conakry 30° 22° 566 mm extreme Warm
Nzérékoré 30° 18° 346 mm very high Warm
Kankan 32° 19° 301 mm extreme Warm
Manéah 30° 22° 578 mm extreme Warm
Dubréka 30° 23° 578 mm extreme Warm
Kindia 29° 21° 394 mm very high Warm

High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.

Conakry & Maritime Coast

September keeps strong rains but they begin to taper by late month; humidity remains very high and afternoons are punctuated by thunderstorms. Ferry and fishing schedules gradually stabilise, but expect muddy roads and slow intercity buses. For visitors, this is a shoulder period where hotel rates can still be low but outdoor activities like beach time or coastal hikes remain hit-or-miss.

Fouta Djallon Highlands (Labé, Dalaba, Mamou)

September sees the start of the rain tapering, though heavy showers linger early in the month and tracks remain soft and muddy. The plateau dries unevenly - higher ridges clear first, offering excellent late-season walks and fewer midges than peak summer. It’s a good month for photographers who want vibrant green landscapes without the full-on deluge of July and August.

Guinée Forestière (Southeast - Nzérékoré, Monts Nimba)

September brings a slow tapering of the rains in the southeast; heavy showers still occur but there are increasing dry windows for travel. Trails begin to firm and river levels drop, improving access to montane areas like Monts Nimba and forest reserves. It’s a sensible time to plan wildlife-focused trips that avoid the worst muddy conditions of mid-summer; expect still-high humidity but more predictable weather.

Upper Guinea & Inland Savannah (Kankan, Siguiri, Kouroussa)

September sees the rains easing though heavy showers still occur early in the month; the region transitions back toward drier weather and cooling winds. Rivers begin to lower, making certain crossings easier and reopening paths that were submerged. This month is practical for scheduling longer journeys as passability improves and the landscape remains green.

Events & Festivals in September

There are no major festivals or events in Guinea during September to be aware of.