Click on a day for an hourly weather forecast
The temperatures in Nairobi Area in September are comfortable with low of 15°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Nairobi Area during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Nairobi Area in September 2025.
If you’re planning to visit Nairobi Area in the near future, we highly recommend that you review the 14 day weather forecast for Nairobi Area before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 26° / 14° | 2 | 29 | 0 | 66 mm | Perfect | Nairobi Area in January |
| February | 27° / 15° | 3 | 25 | 0 | 85 mm | Perfect | Nairobi Area in February |
| March | 28° / 16° | 5 | 26 | 0 | 112 mm | Perfect | Nairobi Area in March |
| April | 25° / 16° | 11 | 19 | 0 | 260 mm | Good | Nairobi Area in April |
| May | 23° / 15° | 8 | 23 | 0 | 198 mm | Good | Nairobi Area in May |
| June | 23° / 14° | 5 | 25 | 0 | 127 mm | Perfect | Nairobi Area in June |
| July | 23° / 13° | 3 | 28 | 0 | 71 mm | Perfect | Nairobi Area in July |
| August | 24° / 14° | 3 | 28 | 0 | 72 mm | Perfect | Nairobi Area in August |
| September | 25° / 15° | 4 | 26 | 0 | 75 mm | Perfect | Nairobi Area in September |
| October | 26° / 16° | 5 | 26 | 0 | 114 mm | Perfect | Nairobi Area in October |
| November | 25° / 15° | 7 | 23 | 0 | 157 mm | Good | Nairobi Area in November |
| December | 24° / 14° | 6 | 25 | 0 | 112 mm | Perfect | Nairobi Area in December |