September · Gabon
Best time to visit Libreville in September Weather, crowds & prices
Weather in Libreville in September
Average temperature 25°C, 151 mm of rain, about 23 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.6/10
Ranked #3 of 12 months
- Avg temp
- 25°C
- Rainfall
- 151 mm
- Humidity
- 86%
- Days with 6h+ sun
- 23
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Libreville scores 4.6/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 25°C, 151 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Libreville is Gabon's Atlantic capital, combining waterfront boulevards, markets, museums, neighborhoods, and a gateway role for rainforest travel.
September in Libreville — the hardest end of the year
September averages 25°C (77°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 151 mm — wet for this destination — but about 23 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.6/10 here, 3rd of 12 months, against 8.5/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
Flexible dates? July scores 3.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Libreville in September?
- In September, Libreville averages 25°C, 151 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 4.6/10.
- Is September a good time to visit Libreville?
- September earns a 4.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Libreville in September?
- Expect about 151 mm of rain in September. Average humidity is 86% and there are about 23 days with 6+ hours of sunshine.
Curated in Libreville
Tickets & experiences
Things to do in Libreville
Libreville, Gabon. Live activities and tours from GetYourGuide, matched to this destination.