Gao in September
5.9out of 10
Possible, with caveats
Hot: daytime highs around 30°C. Very wet: about 19 rainy days.
30°CAvg high
23°CAvg low
19Rainy days (140 mm)
12:04 hDaylight
06:01Sunrise · 18:05 Sunset
Why this score
- Hot: daytime highs around 30°C
- Very wet: about 19 rainy days
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in September varies a lot between years (±3.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 33°C | 19°C | 0 mm | 0 | – | – | 8.0 |
| February | 36°C | 22°C | 1 mm | 0 | – | – | 7.2 |
| March | 38°C | 25°C | 4 mm | 1 | – | – | 6.4 |
| April | 38°C | 27°C | 23 mm | 5 | – | – | 5.8 |
| May | 36°C | 26°C | 46 mm | 10 | – | – | 5.8 |
| June | 33°C | 25°C | 65 mm | 12 | – | – | 6.3 |
| July | 31°C | 23°C | 140 mm | 20 | – | – | 5.7 |
| August | 29°C | 23°C | 220 mm | 24 | – | – | 6.0 |
| September | 30°C | 23°C | 140 mm | 19 | – | – | 5.9 |
| October | 33°C | 23°C | 43 mm | 8 | – | – | 6.8 |
| November | 35°C | 21°C | 2 mm | 0 | – | – | 7.2 |
| December | 34°C | 19°C | 0 mm | 0 | – | – | 7.8 |
Frequently asked questions
How hot is Gao in September?
Daytime highs average 30°C and nights about 23°C.
When is the best time to visit Gao?
The best months are January, December.