Weather in Dar es Salaam in September 2025
- September is usually the driest month of the year in Dar es Salaam
Average weather
Average temperature in Dar es Salaam in September
The expected average maximum temperature in September is +31°C with a maximum of +32°C and a minimum of +21°C.
The average maximum temperature goes up 18% by the end of the month, compared with the beginning of the month, from +30°C to +32°C.
Is Dar es Salaam warm or cold in September?
Dar es Salaam is typically warm in September.
Maximum temperatures go up compared to the previous month from +28°C to +29°C. The minimum temperature also goes up from +21°C to +21°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Dar es Salaam:
Water temperature in Dar es Salaam in September
Water in Dar es Salaam in September is Warm. It varies from +25°C to +27°C, with an average of +26°C. This is almost similar to the air temperature, which averages +29°C.
The water temperature in September is one of the coldest of the entire year:
Can you swim in Dar es Salaam in September?
Climate in Dar es Salaam in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +29°C | +30°C | ||||
| Min. temperature | ||||||
| +18°C | +18°C | +19°C | ||||
| Max. temperature | ||||||
| +32°C | +32°C | +34°C | ||||
| Rainfall | ||||||
| 25 mm | 23 mm | 60 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +26°C | +26°C | +27°C | ||||
| Humidity | ||||||
| 79% | 77% | 78% | ||||
| Air pressure | ||||||
| 1016 HPa | 1015 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 2 | ||||
| Cloudy days | ||||||
| 6 | 7 | 7 | ||||
| Rainy days | ||||||
| 23 | 21 | 22 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting warmer as September arrives. The average maximum temperature goes up from +28°C to +29°C during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 25 mm to 23 mm. It feels drier, as humidity decreases from 79% to 77%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 4 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Dar es Salaam is gradually increasing during September, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last September in Dar es Salaam?
Climate Change over Years
The climate in Dar es Salaam in September has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+29°C) and the highest in 2023 (+31°C). The driest year was 2003 with only 558 mm of rainfall, and the wettest year was 1979 with 1581 mm.
FAQ
Is September a good time to visit Dar es Salaam?
Can you sunbathe in Dar es Salaam in September?
Can you swim in Dar es Salaam in September?
Is Dar es Salaam rainy in September?
Is it sunny in Dar es Salaam in September?
Other cities in Tanzania
Monthly weather in Dar es Salaam
Source of the data
For this page, we’ve looked at the typical weather in Dar es Salaam, 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.