Zanzibar City Weather in September
During September, Zanzibar City experiences high daytime temperatures of 29°C (84°F) and cooler nights around 24°C (75°F). As the driest month of the year, rainfall is at its lowest.
Rainfall in Zanzibar City in September
With the least rainfall of the year, this month offers good conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Typically, about 7 days will experience rainfall, with an average of 35 mm (1.4 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Zanzibar City in September
The temperature in Zanzibar City in September is perfect. Daytime highs reach 29°C (84°F), with nights dropping to 24°C (75°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Tanzania, check out our Zanzibar City's climate page.
Zanzibar City Temperature in September
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Zanzibar City typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Zanzibar City in September
Browse day-by-day weather records for Zanzibar City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zanzibar City historical weather extremes in September
Based on 22 years of weather observations in Zanzibar City between 2003 and 2025, these are the recorded extremes.
- The hottest September day on record in Zanzibar City reached 33°C (91°F) (September 27, 2012).
- Zanzibar City experienced its chilliest September day on September 15, 2014, reaching only 26°C (79°F).
- The lowest overnight temperature recorded in September was 15°C (59°F) (September 4, 2005).
Best Places in Tanzania in September
Find out more about the weather in Tanzania and which places have the best travel conditions in this month. See all of Tanzania in September →
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What to Wear in Zanzibar City in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers.What To Do in Zanzibar City in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Tanzania, check out our Zanzibar City's climate page.
See the full Zanzibar City climate overview or explore weather in Tanzania.