Stone Town in september: average Weather, Temperature and Climate
Weather in Stone Town in september 2025
The weather in Stone Town in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 7
Weather at 6am
76°F
Moderate rain at times
43% of time
26%
22%
8%
Weather at 12pm
83°F
Moderate rain at times
48% of time
34%
16%
3%
Weather at 6pm
81°F
Clear/Sunny
72% of time
15%
14%
1%
Weather at 3am
77°F
43%
23%
18%
17%
Evolution of daily average temperature and precipitation in Stone Town in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Stone Town in september.
The climate of Stone Town in september is good
In september in Stone Town, the climate is wet (with 3in of precipitation over 4 days). It should be noted an improvement from the previous month since in august it receives an average of 3.2in of rainfall over 5 days.
The climate nice here this month. The high seasonal norm is 83°F. In the morning the temperature drops to 76°F. Thus, the mean temperature average on this month of september in Stone Town is 79°F. Note that seasonal normals in contrast with those observed in Stone Town in september with a maximum record of 90°F in 2021 and a minimum record of 72°F in 2020.
On this month of september, day length in Stone Town is generally 12:04. The sun rises at 06:16 and sets at 18:20.
With a good weather, september is a good month to go in this city in Zanzibar.
Seasonal average climate and temperature of Stone Town in september
Check below seasonal norms These datas are set from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 79°F | ||||
| Highest temperature | 83°F | ||||
| Lowest temperature | 76°F | ||||
| Highest record temperature | 90°F (2021) | ||||
| Lowest record temperature | 72°F (2020) | ||||
| Number of days at +86°F | 2 day(s) (7%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 79°F | ||||
| Lowest sea temperature | 77°F | ||||
| Highest sea temperature | 80°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 76°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3in | ||||
| Number of days with rainfall | 4 day(s) (12%) | ||||
| Record daily rainfall | 1.8in (2011) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.74km | ||||
| Cloud cover | 34% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:16 | ||||
| Time of sunset | 18:20 | ||||
| Length of day | 12:04 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Stone Town in september 2024:
76°F to 83°F
76°F to 83°F
76°F to 83°F
76°F to 83°F
74°F to 83°F
74°F to 85°F
74°F to 83°F
74°F to 85°F
77°F to 85°F
74°F to 85°F
74°F to 85°F
72°F to 85°F
74°F to 85°F
72°F to 85°F
72°F to 85°F
74°F to 85°F
72°F to 85°F
72°F to 85°F
74°F to 85°F
72°F to 85°F
72°F to 85°F
74°F to 86°F
74°F to 86°F
76°F to 85°F
72°F to 85°F
74°F to 85°F
72°F to 85°F
72°F to 85°F
72°F to 86°F
72°F to 86°F
Map: other cities in Zanzibar in september
Cities near Stone Town:
| Chapwani Island in september | good weather |
| Changuu (Prison island) in september | good weather |
| Bawe Island in september | good weather |
| Chumbe Island in september | good weather |
| Mangapwani in september | good weather |
| Fumba in september | good weather |
| Jozani in september | good weather |
| Uroa in september | good weather |
| Chwaka in september | good weather |
| Kiwengwa in september | good weather |
| Mkokotoni in september | good weather |
| Pingwe in september | good weather |
Click over cities on the map for information about the weather in september.
Stone Town
perfect weather
good
tolerable
bad
very bad
Weather data for Stone Town in september:
Weather data for Stone Town for september are derived from an average of the weather forecast since 2009 in Stone Town. There is a margin of error and these forecasts are to be considered as general information only. The weather in Stone Town can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Stone Town.