Click on a day for an hourly weather forecast
The temperatures in Gao during September are extremely high, between 31°C and hot as 40°C, drinking water regularly is advisable.
You can expect a few rainy days in Gao during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Gao in September 2025.
If you’re planning to visit Gao in the near future, we highly recommend that you review the 14 day weather forecast for Gao before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 31° / 16° | 0 | 31 | 0 | 0 mm | Good | Gao in January |
| February | 35° / 19° | 0 | 28 | 0 | 1 mm | Ok | Gao in February |
| March | 39° / 22° | 0 | 31 | 0 | 0 mm | Bad | Gao in March |
| April | 42° / 26° | 0 | 30 | 0 | 1 mm | Awful | Gao in April |
| May | 43° / 30° | 0 | 31 | 0 | 5 mm | Awful | Gao in May |
| June | 42° / 32° | 1 | 29 | 0 | 20 mm | Awful | Gao in June |
| July | 40° / 31° | 2 | 29 | 0 | 58 mm | Bad | Gao in July |
| August | 38° / 30° | 4 | 27 | 0 | 114 mm | Bad | Gao in August |
| September | 40° / 31° | 1 | 29 | 0 | 27 mm | Bad | Gao in September |
| October | 40° / 29° | 0 | 31 | 0 | 3 mm | Bad | Gao in October |
| November | 36° / 23° | 0 | 30 | 0 | 0 mm | Ok | Gao in November |
| December | 32° / 18° | 0 | 31 | 0 | 0 mm | Good | Gao in December |