Ouagadougou weather in September
September in Ouagadougou: sweltering, rainy, with clean air — a good time to visit.
#6 of 12 months in Ouagadougou · #472 of 604 destinations to visit in September · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Ouagadougou climate normals — September
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 38°C / 100°F | |
| Rainfall | 121 mm / 4.8 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 12.2 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Ouagadougou?
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Ouagadougou in September — FAQ
- Is September a good time to visit Ouagadougou?
- September in Ouagadougou: sweltering, rainy, with clean air — a good time to visit. It ranks #6 of 12 months for Ouagadougou on SeasonMap's comfort score (65/100).
- What is the weather like in Ouagadougou in September?
- In September, Ouagadougou averages a daily high of 31.7°C and a low of 23.4°C, with about 121.1 mm of rain over roughly 13.6 rainy days.
- What is the air quality in Ouagadougou in September?
- Ouagadougou has a mean US Air Quality Index of about 41 in September.