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Weather in Zanzibar Island for September 2025

Your guide to Zanzibar Island weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Zanzibar Island at the beginning of September is 27.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.1 °C by the end of September.

  • Rain 🌧️

  • Zanzibar Island in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 45.3 mm.

Average dry days
12
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/22°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Zanzibar Island in September average weather

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Temperatures trend during September in Zanzibar Island

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
28° /22° 2.6 mm 7
2 Sept. Light rain shower
Light rain shower
28° /23° 5.4 mm 7
3 Sept. Light rain shower
Light rain shower
27° /23° 1.7 mm 7
4 Sept. Patchy rain possible
Patchy rain possible
28° /23° 1.3 mm 7
5 Sept. Light rain shower
Light rain shower
28° /22° 3 mm 7
6 Sept. Light rain shower
Light rain shower
28° /22° 1.4 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
28° /22° 0.6 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.8 mm 7
9 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.6 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.2 mm 7
11 Sept. Light rain shower
Light rain shower
29° /22° 2.1 mm 7
12 Sept. Overcast
Overcast
29° /22° 0 mm 7
13 Sept. Cloudy
Cloudy
29° /22° 0.3 mm 7
14 Sept. Partly cloudy
Partly cloudy
29° /22° 0.1 mm 8
15 Sept. Partly cloudy
Partly cloudy
29° /21° 0.6 mm 8
16 Sept. Patchy rain possible
Patchy rain possible
29° /22° 1.8 mm 7
17 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.2 mm 7
18 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.5 mm 7
19 Sept. Patchy light drizzle
Patchy light drizzle
29° /22° 0.9 mm 7
20 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.4 mm 7
21 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.9 mm 7
22 Sept. Patchy rain possible
Patchy rain possible
30° /22° 0.6 mm 8
23 Sept. Patchy rain possible
Patchy rain possible
29° /22° 1 mm 7
24 Sept. Light rain shower
Light rain shower
29° /22° 2.6 mm 7
25 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.1 mm 7
26 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.5 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.5 mm 8
28 Sept. Light rain shower
Light rain shower
29° /22° 0.6 mm 7
29 Sept. Patchy rain possible
Patchy rain possible
29° /22° 0.5 mm 7
30 Sept. Light rain shower
Light rain shower
30° /22° 0.7 mm 8
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Important Notice
Our weather forecast for Zanzibar Island in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Zanzibar Island forecast closer to your planned date for the most up-to-date weather information.

Zanzibar Island in September - FAQ

What are the expected maximum and minimum temperatures in Zanzibar Island during September?
During September, expect a variety of temperatures with highs around 29° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Zanzibar Island during September?
In September, Zanzibar Island can expect light to moderate rainfall, totaling 45.3 mm across approximately 18 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Zanzibar Island during September?
The average wind speed in Zanzibar Island during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Zanzibar Island

Explore the daily rainfall trends and prepare for Zanzibar Islands September weather 💧

UV exposure in Zanzibar Island during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Zanzibar Island?

Get accurate weather forecasts for Zanzibar Island, located at latitude -6.156 and longitude 39.342. Stay updated with localized weather information tailored for Zanzibar Island.

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