Arusha in September
In September, Arusha averages 25°C (77°F) during the day and 15°C (59°F) at night, with around 7 days of rain (26 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
September is a great month to visit Arusha: pleasant temperatures and relatively few wet days.
How September compares to the rest of the year in Arusha
September is in the middle of the year for warmth in Arusha (7th of 12) and one of the driest months (12th of 12). Daytime temperature matches the city's annual average. September runs 2°C warmer than August (23°C) and warms a further 1°C into October (27°C).
September sunrise & sunset in Arusha
Times shown for Arusha local time (Africa/Dar_es_Salaam), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Arusha — September
Golden-hour and blue-hour windows for the 15th of September, in Arusha's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Arusha in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (High season) and Arusha's popularity.
Crowds & pricing — September in Arusha
This is a busy month in Arusha — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — September in Arusha
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Arusha in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 28°C / 82°F | 17°C / 62°F | 94 mm | 13 | — |
| February | 28°C / 83°F | 17°C / 62°F | 96 mm | 12 | — |
| March | 28°C / 82°F | 17°C / 63°F | 170 mm | 17 | — |
| April | 24°C / 76°F | 17°C / 63°F | 277 mm | 27 | — |
| May | 23°C / 73°F | 16°C / 61°F | 135 mm | 18 | — |
| June | 22°C / 71°F | 15°C / 58°F | 35 mm | 10 | — |
| July | 22°C / 71°F | 14°C / 57°F | 36 mm | 9 | — |
| August | 23°C / 74°F | 14°C / 57°F | 26 mm | 8 | — |
| September | 25°C / 77°F | 15°C / 59°F | 26 mm | 7 | — |
| October | 27°C / 80°F | 16°C / 61°F | 53 mm | 10 | — |
| November | 26°C / 79°F | 17°C / 62°F | 116 mm | 17 | — |
| December | 27°C / 80°F | 17°C / 62°F | 103 mm | 16 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Arusha in September →
Frequently asked questions
How hot is Arusha in September?
In September, Arusha averages a high of 25°C (77°F) and a low of 15°C (59°F) — generally warm.
Does it rain a lot in Arusha in September?
September sees occasional rain in Arusha, with about 7 rainy days on average.
Is September a good time to visit Arusha?
September is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Arusha in September?
Pack light layers for warm days and cooler evenings. See the full September packing list for Arusha for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.