Arusha weather in September
September is one of the best months to visit Arusha: highs of 29°C (84°F) and about 17 mm (0.7 in) of rain on average. Nights average 14°C (58°F) and cloud cover 45% (NASA POWER, 2001–2025 averages). It is the 3rd driest month of the year and the 5th warmest. Compared with August, it is warmer and wetter; October brings highs of 30°C (85°F) and 66 mm (2.6 in) of rain.
Is September a good time to visit Arusha?
best month Weather score 88/100.
Yes. September is one of the best months for weather in Arusha.
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Does it rain a lot in Arusha in September?
No, it is usually dry: about 17 mm (0.7 in) falls in an average September. It is the 3rd driest month of the year.
How warm is Arusha in September?
Days average 29°C (84°F) and nights 14°C (58°F).
Arusha weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 30°C (86°F) | 17°C (63°F) | 88 mm | 57% | fair |
| February | 31°C (87°F) | 17°C (63°F) | 73 mm | 57% | fair |
| March | 30°C (85°F) | 17°C (63°F) | 105 mm | 66% | least pleasant |
| April | 27°C (81°F) | 17°C (62°F) | 147 mm | 74% | least pleasant |
| May | 26°C (78°F) | 15°C (59°F) | 90 mm | 67% | fair |
| June | 25°C (77°F) | 13°C (56°F) | 18 mm | 61% | best |
| July | 26°C (78°F) | 13°C (55°F) | 9 mm | 55% | best |
| August | 27°C (80°F) | 13°C (56°F) | 14 mm | 55% | best |
| September | 29°C (84°F) | 14°C (58°F) | 17 mm | 45% | best |
| October | 30°C (85°F) | 16°C (60°F) | 66 mm | 55% | fair |
| November | 29°C (84°F) | 17°C (62°F) | 133 mm | 65% | least pleasant |
| December | 29°C (84°F) | 17°C (63°F) | 110 mm | 64% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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