Zanzibar weather in September
Zanzibar in September averages 26°C (78°F), 21 mm of rain and 8.6 hours of sun a day.
Of the twelve months in Zanzibar, September is the fourth coldest, the third driest and the third sunniest.

- Average temp
- 26°C (78°F)
20–31°C · 68–88°F
- Rainfall
- 21 mm
Not much rain
- Sunshine
- 8.6 h
hours per day
What is Zanzibar like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Rain is usually light.
Evening
Evenings stay warm.
What should I pack for Zanzibar in September?
High-factor sun cream
With 8.6 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A layer for the evening
The day swings about 11°C between its low and its high.
Comfortable walking shoes you can rinse
Dry warm weather is walking weather, and dust gets into everything.
September compared with August and October
September in Zanzibar is 0.7°C warmer than August and about as wet as it, which averages 25°C (77°F).
September in Zanzibar is 1.1°C cooler than October and 53 mm drier than it, which averages 27°C (80°F).
Daylight in Zanzibar in September
On 15 September the sun is up for 12 hours 4 minutes in Zanzibar, rising about 06:16 and setting about 18:20 local time.
Where to stay in Zanzibar
Dates are a starting point for September.

Travel guides for Zanzibar
What to read before you book.
Zanzibar weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 29°C / 84°F | 43 mm |
| February | 29°C / 84°F | 76 mm |
| March | 28°C / 83°F | 176 mm |
| April | 27°C / 81°F | 266 mm |
| May | 26°C / 80°F | 161 mm |
| June | 25°C / 77°F | 36 mm |
| July | 25°C / 76°F | 18 mm |
| August | 25°C / 77°F | 21 mm |
| September | 26°C / 78°F | 21 mm |
| October | 27°C / 80°F | 74 mm |
| November | 28°C / 82°F | 127 mm |
| December | 29°C / 83°F | 124 mm |
Check another month
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FAQs about Zanzibar in September
September climate averages for Zanzibar, 1991–2020.
Zanzibar averages 26°C (78°F) in September, ranging from about 20°C (68°F) at night to 31°C (88°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. September sees only about 21 mm, so rain is unlikely to affect your plans.
No. September averages 26°C (78°F) against 27°C (80°F) in October — 1.1°C cooler.
September is 0.7°C warmer than August, and about as wet.
Yes. September falls inside the most comfortable stretch of the year here, June to October, on temperature and rainfall together.
About 8.6 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 4 minutes of daylight in mid-September, against 12 hours 29 minutes in December and 11 hours 46 minutes in June.
On 15 September, sunrise is about 06:16 and sunset about 18:20 local time. Both shift across the month.

