Nairobi Weather in September
Nairobi in September
The short of it: Nairobi in September averages a high of 26 °C (78 °F) and a low of 14 °C (56 °F), with 26 mm (1.0 in) of rain and about 12 h 6 min of daylight. Rated 5 of 5 for a visit; the best months are July and June. Source: TerraClimate climate normals, 1991–2020.
Average high 26° · low 14° · rain 26 mm · daylight 12 h 6 min
✦✦✦✦✦ Recommended for a visit · best months: July & June
September in Nairobi brings afternoons near 26° and nights around 14°, with about 26 mm of rain over the month. Much like August: highs about 26°, nights near 14°. Easy travelling weather. Rain is modest, about 26 mm, the 10th wettest month.
The sun is up for about 12 h 6 min in mid-September.
For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 5 of 5 for a visit; the finest months here are July and June.
Against its neighbours, Nairobi runs cooler than most and wetter than most in September. Pumwani, 3 km to the E, is 1° warmer by day.
September in Nairobi, by the numbers
- Warmth rank
- 7th warmest of 12
- Rain rank
- 10th wettest of 12
- Versus August
- 2° warmer, 7.0 mm more rain
- Versus October
- 1° colder
- Day–night spread
- 12°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 6 min
- Average wind
- 8 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| PumwaniNairobi County | 3 km E | 26° | 14° | 23 mm |
| Imara Daima EstateNairobi County | 8 km ESE | 27° | 14° | 17 mm |
| KiambuKiambu County | 13 km N | 26° | 13° | 20 mm |
| Lang'ataNairobi County | 13 km SW | 25° | 13° | 24 mm |
| KaruriKiambu County | 14 km NNW | 25° | 12° | 29 mm |
| Ongata RongaiKajiado County | 14 km SSW | 26° | 13° | 20 mm |
| KawaidaKiambu County | 16 km NNW | 24° | 11° | 33 mm |
| TingangaKiambu County | 17 km N | 25° | 12° | 27 mm |