Climate averages 1991–2020
Gueckedou weather
in September.
A warm, very wet month: the 10th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Gueckedou: daytime highs average 27.5°C and nights cool to about 21.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 351 mm of rain on roughly 28 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Kissidougou (69 km away). In September its highs average 27.6°C, about as warm as Gueckedou, with 323 mm of rain.
Among the 13 cities listed in Guinea, Gueckedou ranks 9th of 13 for the warmest September highs and 9th of 13 for the driest September (rainfall, lowest first). The mean September high of those 13 cities is 27.8°C; Gueckedou is 0.3°C cooler than that mean.
From September to October, average highs rise by 0.9°C to 28.3°C, and monthly rainfall falls from 351 mm to 282 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
Gueckedou climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.5°C20.4°C | 20.4°C | 15 | 2.6 | 11.712 h |
| February | 33.5°C22.0°C | 22.0°C | 28 | 5.0 | 11.812 h |
| March | 32.5°C23.0°C | 23.0°C | 79 | 12.3 | 12.112 h |
| April | 30.7°C22.9°C | 22.9°C | 122 | 18.4 | 12.312 h |
| May | 29.5°C22.4°C | 22.4°C | 226 | 25.7 | 12.513 h |
| June | 28.3°C21.7°C | 21.7°C | 278 | 27.6 | 12.613 h |
| July | 26.7°C21.1°C | 21.1°C | 290 | 28.3 | 12.613 h |
| August | 26.4°C21.0°C | 21.0°C | 330 | 28.2 | 12.412 h |
| September, selected | 27.5°C21.2°C | 21.2°C | 351 | 28.4 | 12.212 h |
| October | 28.3°C21.1°C | 21.1°C | 282 | 29.4 | 11.912 h |
| November | 28.8°C21.1°C | 21.1°C | 124 | 16.5 | 11.712 h |
| December | 30.5°C20.2°C | 20.2°C | 18 | 3.6 | 11.612 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
- Kissidougou in SeptemberGuinea · 69 kmHigh 27.6°C · Low 20.7°C · 323 mm rain
- Koidu in SeptemberSierra Leone · 93 kmHigh 27.3°C · Low 21.4°C · 422 mm rain
- Kenema in SeptemberSierra Leone · 139 kmHigh 27.9°C · Low 22.0°C · 395 mm rain
- Nzérékoré in SeptemberGuinea · 171 kmHigh 27.1°C · Low 20.8°C · 268 mm rain
- Faranah in SeptemberGuinea · 177 kmHigh 28.5°C · Low 21.3°C · 289 mm rain
- Bo in SeptemberSierra Leone · 189 kmHigh 28.1°C · Low 21.9°C · 433 mm rain
- Gbarnga in SeptemberLiberia · 189 kmHigh 27.7°C · Low 21.9°C · 309 mm rain
- Makeni in SeptemberSierra Leone · 213 kmHigh 28.4°C · Low 22.4°C · 413 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 Gueckedou) is explained once on the Gueckedou year overview and on the Sources, method and limits page.