Niamey
September
Weather in Niamey for September 2025
Your guide to Niamey weather in September - trends and predictions
In general, the average temperature in Niamey at the beginning of September is 31.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 36.7 °C by the end of September.
The climate of Niamey in September is notably wet, with an average of 13 rainy days.
Is September a good time to visit Niamey? check out the best time to travel to Niamey page.
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17
Dry days
13
Rainy days
0
Snow days
35°/26°
Temperatures
26 km/h
Avg max wind
54 %
Avg humidity
Niamey in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  34° | 2  31° | 3  29° | 4  31° | 5 30° | 6  33° | 7 35° |
| 8  32° | 9 34° | 10 33° | 11  35° | 12 37° | 13 34° | 14  32° |
| 15 36° | 16 36° | 17 32° | 18 35° | 19 34° | 20 34° | 21 35° |
| 22 36° | 23 35° | 24 35° | 25 35° | 26 37° | 27 38° | 28 38° |
| 29 36° | 30 38° |
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Temperatures trend during September in Niamey
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Thundery outbreaks possible | 34° /25° | 3.6 mm | 8 | |
| 2 Sept. | Moderate or heavy rain shower | 31° /23° | 13.4 mm | 7 | |
| 3 Sept. | Patchy light rain | 29° /24° | 2.2 mm | 7 | |
| 4 Sept. | Patchy rain possible | 31° /25° | 5.7 mm | 7 | |
| 5 Sept. | Moderate or heavy rain shower | 30° /22° | 26 mm | 7 | |
| 6 Sept. | Partly cloudy | 33° /24° | 0.4 mm | 8 | |
| 7 Sept. | Partly cloudy | 35° /25° | 17.7 mm | 8 | |
| 8 Sept. | Torrential rain shower | 32° /24° | 13.3 mm | 7 | |
| 9 Sept. | Thundery outbreaks possible | 34° /25° | 1 mm | 8 | |
| 10 Sept. | Moderate or heavy rain shower | 33° /24° | 38.2 mm | 8 | |
| 11 Sept. | Sunny | 35° /25° | 0.2 mm | 8 | |
| 12 Sept. | Sunny | 37° /27° | 2 mm | 8 | |
| 13 Sept. | Thundery outbreaks possible | 34° /27° | 4.4 mm | 7 | |
| 14 Sept. | Cloudy | 32° /24° | 4.8 mm | 7 | |
| 15 Sept. | Partly cloudy | 36° /27° | 0.9 mm | 8 | |
| 16 Sept. | Partly cloudy | 36° /26° | 1.1 mm | 9 | |
| 17 Sept. | Patchy rain possible | 32° /25° | 3.5 mm | 7 | |
| 18 Sept. | Partly cloudy | 35° /25° | 15.4 mm | 8 | |
| 19 Sept. | Patchy rain possible | 34° /26° | 1.5 mm | 8 | |
| 20 Sept. | Cloudy | 34° /26° | 0 mm | 8 | |
| 21 Sept. | Sunny | 35° /25° | 1.5 mm | 8 | |
| 22 Sept. | Partly cloudy | 36° /26° | 8.9 mm | 9 | |
| 23 Sept. | Partly cloudy | 35° /26° | 0.3 mm | 8 | |
| 24 Sept. | Sunny | 35° /26° | 0 mm | 8 | |
| 25 Sept. | Partly cloudy | 35° /25° | 0.5 mm | 9 | |
| 26 Sept. | Partly cloudy | 37° /27° | 1.5 mm | 9 | |
| 27 Sept. | Sunny | 38° /27° | 0 mm | 9 | |
| 28 Sept. | Sunny | 38° /27° | 0.7 mm | 9 | |
| 29 Sept. | Thundery outbreaks possible | 36° /27° | 2.1 mm | 9 | |
| 30 Sept. | Sunny | 38° /27° | 0.1 mm | 9 | |
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Important Notice
Our weather forecast for Niamey in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Niamey forecast closer to your planned date for the most up-to-date weather information.
Niamey in September - FAQ
What are the expected maximum and minimum temperatures in Niamey during September?
With daytime temperatures soaring above 35° and not dropping much below 26° at night, September in Niamey is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Niamey during September?
Significant rainfall exceeding 194.8 mm is expected in Niamey during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Niamey during September?
The average wind speed in Niamey during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Niamey in September?
As you prepare for your trip to Niamey in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Niamey, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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