September weather forecastArusha, Tanzania

Weather in September

September sees only a slight change in Arusha's weather. Rainfall remains stable at 20mm (0.79"), maintaining September as one of the driest months. It also marks the beginning of a slight warming period, with temperatures marginally increasing from those in August. However, sunshine hours and the UV index remain consistent as experienced in August.

Temperature

As September takes its course, Arusha's average high-temperature registers at a warm 24°C (75.2°F), closely aligning with the preceding month. Despite considerable daily temperature swings, a steady low-temperature average of 8°C (46.4°F) is noted in Arusha throughout September.

Rainfall

In Arusha, in September, it is raining for 2 days, with typically 20mm (0.79") of accumulated precipitation. In Arusha, during the entire year, the rain falls for 113 days and collects up to 1237mm (48.7") of precipitation.

Daylight

The average length of the day in September is 12h and 5min.
On the first day of September in Arusha, sunrise is at 06:31 and sunset at 18:34. On the last day of the month, sunrise is at 06:18 and sunset at 18:27 EAT.

Sunshine

In September, the average sunshine is 8h.

UV index

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 12 during September translates into the following directions:
Adopt all essential precautions. Preventing sun harm is crucial. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.