Are you considering a trip to Zanzibar in September? Well, the weather is usually on your side with an average maximum temperature of +81°F and about 3 sunny days. Just keep in mind that there may be some rain, with an average of 24 rainy days and 27 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
September is usually the driest month of the year in Zanzibar
Average weather
☀️
+81°F
Avg. max. temperature
+72°F
Min.
+84°F
Max.
27 mm
Total precipitation
77%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
3 ⛅️
Cloudy
24 🌦
Rainy
Our opinion: Zanzibar has good weather in September.
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Average temperature in Zanzibar in September
Here are the expected maximum, average and minimum temperatures in Zanzibar for September based on the historical data.
Last Year
Historical Data
The temperature in September is +82°F on average, with a range between a maximum of +84°F during the day and a minimum of +75°F at night.
The average maximum temperature goes up 20% by the end of the month, compared with the beginning of the month, from +81°F to +82°F.
Is Zanzibar warm or cold in September?
Zanzibar is typically warm in September.
Maximum temperatures go up compared to the previous month from +81°F to +81°F. The minimum temperature also goes up from +73°F to +73°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Zanzibar:
Water temperature in Zanzibar in September
Water in Zanzibar in September is Warm. It varies from +77°F to +80°F, with an average of +79°F.This is almost similar to the air temperature, which averages +81°F.
The water temperature in September is one of the coldest of the entire year:
The warmest water temperatures in Zanzibar are reached in March, when the average sea temperature rises to +85°F. The coldest water temperatures are in August, with an average of +78°F.
Can you swim in Zanzibar in September?
You can absolutely swim in Zanzibar in September, the water is warm (+79°F in average), similar to heated pools. Suitable for most people, including children and the elderly.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Bring your swimming suit, sunscreen and your favorite inflatable pink flamingo.
Climate in Zanzibar in September
Zanzibar weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+81°F
+81°F
+82°F
Min. temperature
+72°F
+72°F
+72°F
Max. temperature
+84°F
+84°F
+88°F
Rainfall
32 mm
27 mm
59 mm
Wind
3 m/s
3 m/s
2 m/s
Avg. water temperature
+78°F
+79°F
+80°F
Humidity
78%
77%
79%
Air pressure
1016 HPa
1014 HPa
1013 HPa
Sunny days
2
3
3
Cloudy days
5
3
4
Rainy days
24
24
24
Snowy days
0
0
0
September weather is still as good as in August.The temperature levels stay the same in the area of +81°F for average maximum temperature during the day.As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 32 mm to 27 mm.It feels drier, as humidity decreases from 78% to 77%.The average wind speed doesn’t change much during September, staying around 3 m/s.The good news is there are likely to be more sunny days in September, from 2 to 3.
Next month (October) brings a further decline in the weather.
Wind speed in Zanzibar in September based on historical data.
Last Year
Historical Data
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Zanzibar is gradually increasing during September, going from 3 m/s to 4 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Zanzibar based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in September stands at 33%, leading to total precipitation of around 13 mm. The maximum amount of rainfall per day is around 2 mm, which is considered light rain.September is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Zanzibar wettest month is April, where a typical day has a 80% chance of precipitation and 192 mm of rainfall per day. September, on the other hand, is the driest month with a mere 80% chance of precipitation and 27 mm of rainfall per day.
How was the weather last September in Zanzibar?
This is the weather in Zanzibar in September 2023:
1 September
☀️
+80°F
2 September
☀️
+82°F
3 September
☀️
+82°F
4 September
☁️
+82°F
5 September
☀️
+84°F
6 September
☀️
+84°F
7 September
☁️
+83°F
8 September
☁️
+83°F
9 September
☀️
+84°F
10 September
☀️
+82°F
11 September
☀️
+82°F
12 September
🌧️
+80°F
13 September
☀️
+83°F
14 September
☀️
+83°F
15 September
☀️
+84°F
16 September
☁️
+84°F
17 September
☁️
+83°F
18 September
☁️
+84°F
19 September
☀️
+83°F
20 September
☀️
+84°F
21 September
☁️
+84°F
22 September
☀️
+84°F
23 September
☀️
+83°F
24 September
☀️
+83°F
25 September
☁️
+83°F
26 September
☀️
+84°F
27 September
☀️
+81°F
28 September
☁️
+82°F
29 September
🌧️
+82°F
30 September
☀️
+83°F
In September 2023 Zanzibar had 19 sunny days, 9 cloudy days, and 2 rainy days. The average maximum temperature was +82°F, with an absolute maximum of +84°F and a minimum of +81°F. The average humidity was 78%, with a maximum of 100% and a minimum of 54%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Zanzibar climate has changed over the last 43 years.
The climate in Zanzibar in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+81°F) and the highest in 2019 (+84°F). The driest year was 2003 with only 487 mm of rainfall, and the wettest year was 1997 with 1353 mm.
FAQ
Frequently asked questions about the weather in Zanzibar in September:
Is September a good time to visit Zanzibar?
September is a really good time to go to Zanzibar. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Zanzibar.
Can you sunbathe in Zanzibar in September?
September is warm in Zanzibar. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Can you swim in Zanzibar in September?
Yes, you can swim in Zanzibar in September, the water temperature averaging at +79°F. This temperature is considered warm and comfortable for most swimmers.
Is Zanzibar rainy in September?
Zanzibar is usually dry in September. Plan your packing around outdoor activities and exploring.
Is it sunny in Zanzibar in September?
Usually, it’s not very sunny in Zanzibar in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in Tanzania
Check out the weather for other cities in Tanzania.
For this page, we’ve looked at the typical weather in Zanzibar, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
