Gisenyi weather in September
Rwanda

September in Gisenyi: nice, soaked, with muggy air — fine if you can take 26 rainy days.
#6 of 12 months in Gisenyi · #907 of 1383 destinations to visit in September · comfort 72/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Gisenyi in September
No notes yet. Open Gisenyi on the map to add the first one.
Gisenyi climate normals — September
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Rainfall | 206 mm / 8.1 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 16°C / 61°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.1 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 60 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Gisenyi in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyThe long dry season, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Gisenyi's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherGisenyi's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Gisenyi in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
The long dry season
1 Jun – 15 SepCrowdedThe reliable stretch of the year on Lake Kivu: settled afternoons, the road over to Kibuye passable, and the volcanoes across the border actually visible. Weekend beds on the lakefront go early.
Nearby, and something's on
Within 300 km of Gisenyi — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Gisenyi?
Gisenyi in September — FAQ
- Is September a good time to visit Gisenyi?
- September in Gisenyi: nice, soaked, with muggy air — fine if you can take 26 rainy days. It ranks #6 of 12 months for Gisenyi on SeasonMap's comfort score (72/100).
- What is the weather like in Gisenyi in September?
- In September, Gisenyi averages a daily high of 22.8°C and a low of 16.5°C, with about 206 mm of rain over roughly 26.2 rainy days.
- What is the air quality in Gisenyi in September?
- Gisenyi has a mean US Air Quality Index of about 60 in September.
Other months in Gisenyi
Compare Gisenyi in September
Warmer or cooler than Gisenyi in September
Similar destinations in East Africa — September
Within 300 km: Bwindi's World Gorilla Day at Buhoma around 20–26 Sep.