Libreville weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: July – August
What is the weather like in Libreville in September?
In September, Libreville is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 26.1 °C – lovely and warm for swimming. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 22 days, totalling 160 mm. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Libreville.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 73 | 50 | 49 |
| Day | 28° | 28° | 28° |
| Night | 23° | 24° | 24° |
| Sea | 26° | 26° | 27° |
| Sun | 5 h | 4 h | 4 h |
| Rain days | 8 | 22 | 31 |
More details for September
- Daylight
- 12 h 7 min06:14 – 18:21
- UV index
- 14 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 83 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+1Africa/Libreville
How the score comes together
- Temperatureweight 50 %90 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Libreville in September: quick answers
Is Libreville hot in September?
Yes. In September, Libreville is hot: daytime highs average 28 °C and nights stay around 24 °C.
Can you swim in Libreville in September?
Yes. In September the sea averages 26.1 °C – lovely and warm for swimming.
Does it rain much in Libreville in September?
It rains often – on about 22 days, adding up to 160 mm.
Libreville month by month
The whole year in LibrevilleAll destinations: GabonWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences