Mtwara Weather in September
What's the weather like in Mtwara (Mtwara) in September 2025?
The climate in Mtwara during September can be summarized as hot, humid and dry.
September is in the spring in Mtwara and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 30.1°C 86.2°F |
|---|---|
| Nightly temperature | 19.1°C 66.4°F |
| Average temperature | 24.6°C 76.3°F |
| Daily sunshine | 9.5 hrs |
| Avg rainfall | 15 mm 0.6 ins |
| Rainy days | 4 days |
| Sea temperature | 25.6°C 78.2°F |
| Humidity | 76% |
| Windspeed | 16.2kph 10 mph |
On average September is the 2nd driest month of the year in Mtwara with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
September temperatures in Mtwara
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Mtwara in September 2025.
Other monthly averages
Best places to visit in September
Mtwara weather stats
| Hottest month: | February | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | August | 11mm 0.4ins |
| Sunniest month: | June | 9.4hrs |
| Coldest month: | July | 29.1°C 84.4°F |
| Wettest month: | January | 199mm 7.8ins |
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