Climate averages 1991–2020
Kankan weather
in September.
A hot, very wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Kankan: daytime highs average 29.0°C and nights cool to about 21.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 275 mm of rain on roughly 26 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Siguiri (116 km away). In September its highs average 29.0°C, about as warm as Kankan, with 219 mm of rain.
Among the 13 cities listed in Guinea, Kankan ranks joint 1st of 13 for the warmest September highs and 4th of 13 for the driest September (rainfall, lowest first). The mean September high of those 13 cities is 27.8°C; Kankan is 1.3°C warmer than that mean.
From September to October, average highs rise by 1.2°C to 30.3°C, and monthly rainfall falls from 275 mm to 176 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Kankan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 33.4°C18.6°C | 18.6°C | 2.2 | 0.6 | 11.612 h |
| February | 35.7°C21.0°C | 21.0°C | 2.8 | 0.6 | 11.812 h |
| March | 37.0°C23.8°C | 23.8°C | 14 | 2.7 | 12.112 h |
| April | 36.3°C24.7°C | 24.7°C | 46 | 9.4 | 12.412 h |
| May | 33.6°C23.6°C | 23.6°C | 126 | 17.1 | 12.613 h |
| June | 30.7°C22.1°C | 22.1°C | 185 | 22.0 | 12.713 h |
| July | 28.7°C21.5°C | 21.5°C | 245 | 25.0 | 12.713 h |
| August | 28.0°C21.4°C | 21.4°C | 279 | 26.4 | 12.512 h |
| September, selected | 29.0°C21.2°C | 21.2°C | 275 | 25.7 | 12.212 h |
| October | 30.3°C21.2°C | 21.2°C | 176 | 21.9 | 11.912 h |
| November | 32.1°C20.1°C | 20.1°C | 28 | 4.0 | 11.712 h |
| December | 33.1°C18.6°C | 18.6°C | 0.5 | 0.1 | 11.512 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Siguiri in SeptemberGuinea · 116 kmHigh 29.0°C · Low 21.6°C · 219 mm rain
- Kissidougou in SeptemberGuinea · 159 kmHigh 27.6°C · Low 20.7°C · 323 mm rain
- Faranah in SeptemberGuinea · 162 kmHigh 28.5°C · Low 21.3°C · 289 mm rain
- Gueckedou in SeptemberGuinea · 222 kmHigh 27.5°C · Low 21.2°C · 351 mm rain
- Bougouni in SeptemberMali · 230 kmHigh 29.1°C · Low 21.7°C · 188 mm rain
- Koidu in SeptemberSierra Leone · 266 kmHigh 27.3°C · Low 21.4°C · 422 mm rain
- Bamako in SeptemberMali · 287 kmHigh 29.6°C · Low 22.2°C · 163 mm rain
- Kati in SeptemberMali · 295 kmHigh 29.5°C · Low 21.9°C · 165 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Kankan) is explained once on the Kankan year overview and on the Sources, method and limits page.