September · Niger
Best time to visit Niamey in September Weather, crowds & prices
Weather in Niamey in September
Average temperature 29°C, 63 mm of rain, about 27 days with 6+ hours of sunshine and 67% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.0/10
Ranked #7 of 12 months
- Avg temp
- 29°C
- Rainfall
- 63 mm
- Humidity
- 67%
- Days with 6h+ sun
- 27
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Niamey scores 6.0/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 29°C, 63 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Niamey is Niger's Niger River capital, with markets, craft traditions, museums, river views, and a practical gateway role for the country's interior.
September in Niamey — workable with trade-offs
Days in September average 29°C (84°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 63 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 12.2 hours of daylight to work around it.
That is 6/10 on the same scale — 7th of 12 months, versus 7.6/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Niamey — 1.6 points higher on the same scale.
Frequently asked
- What is the weather like in Niamey in September?
- In September, Niamey averages 29°C, 63 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 6.0/10.
- Is September a good time to visit Niamey?
- September earns a 6.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Niamey in September?
- Expect about 63 mm of rain in September. Average humidity is 67% and there are about 27 days with 6+ hours of sunshine.
Curated in Niamey
Tickets & experiences
Things to do in Niamey
Niamey, Niger. Live activities and tours from GetYourGuide, matched to this destination.