Zanzibar Island
September
Weather in Zanzibar Island for September 2025
Your guide to Zanzibar Island weather in September - trends and predictions
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.
Zanzibar Island experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit Zanzibar Island? check out the best time to travel to Zanzibar Island page.
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8
Dry days
22
Rainy days
0
Snow days
29°/22°
Temperatures
21 km/h
Avg max wind
75 %
Avg humidity
Zanzibar Island in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 28° | 3 27° | 4 28° | 5 28° | 6 28° | 7 28° |
| 8 29° | 9 29° | 10 29° | 11 29° | 12  29° | 13  29° | 14  29° |
| 15 29° | 16 29° | 17 29° | 18 29° | 19  29° | 20 29° | 21 29° |
| 22 30° | 23 29° | 24 29° | 25 29° | 26 29° | 27 29° | 28 29° |
| 29 29° | 30 30° |
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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 | 28° /22° | 2.6 mm | 7 | |
| 2 Sept. | Light rain shower | 28° /23° | 5.4 mm | 7 | |
| 3 Sept. | Light rain shower | 27° /23° | 1.7 mm | 7 | |
| 4 Sept. | Patchy rain possible | 28° /23° | 1.3 mm | 7 | |
| 5 Sept. | Light rain shower | 28° /22° | 3 mm | 7 | |
| 6 Sept. | Light rain shower | 28° /22° | 1.4 mm | 7 | |
| 7 Sept. | Patchy rain possible | 28° /22° | 0.6 mm | 7 | |
| 8 Sept. | Patchy rain possible | 29° /22° | 0.8 mm | 7 | |
| 9 Sept. | Patchy rain possible | 29° /22° | 0.6 mm | 7 | |
| 10 Sept. | Patchy rain possible | 29° /22° | 0.2 mm | 7 | |
| 11 Sept. | Light rain shower | 29° /22° | 2.1 mm | 7 | |
| 12 Sept. | Overcast | 29° /22° | 0 mm | 7 | |
| 13 Sept. | Cloudy | 29° /22° | 0.3 mm | 7 | |
| 14 Sept. | Partly cloudy | 29° /22° | 0.1 mm | 8 | |
| 15 Sept. | Partly cloudy | 29° /21° | 0.6 mm | 8 | |
| 16 Sept. | Patchy rain possible | 29° /22° | 1.8 mm | 7 | |
| 17 Sept. | Patchy rain possible | 29° /22° | 0.2 mm | 7 | |
| 18 Sept. | Patchy rain possible | 29° /22° | 0.5 mm | 7 | |
| 19 Sept. | Patchy light drizzle | 29° /22° | 0.9 mm | 7 | |
| 20 Sept. | Patchy rain possible | 29° /22° | 0.4 mm | 7 | |
| 21 Sept. | Patchy rain possible | 29° /22° | 0.9 mm | 7 | |
| 22 Sept. | Patchy rain possible | 30° /22° | 0.6 mm | 8 | |
| 23 Sept. | Patchy rain possible | 29° /22° | 1 mm | 7 | |
| 24 Sept. | Light rain shower | 29° /22° | 2.6 mm | 7 | |
| 25 Sept. | Patchy rain possible | 29° /22° | 0.1 mm | 7 | |
| 26 Sept. | Patchy rain possible | 29° /22° | 0.5 mm | 7 | |
| 27 Sept. | Patchy rain possible | 29° /22° | 0.5 mm | 8 | |
| 28 Sept. | Light rain shower | 29° /22° | 0.6 mm | 7 | |
| 29 Sept. | Patchy rain possible | 29° /22° | 0.5 mm | 7 | |
| 30 Sept. | 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 32 mm across approximately 22 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.
What to pack to Zanzibar Island in September?
As you prepare for your trip to Zanzibar Island in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Zanzibar Island, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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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