Mtwara weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Mtwara in September. Check more long-term weather averages for Mtwara in September before you book your next holiday to Tanzania in 2025/2026.

  • 30°C maximum daytime temperature in September in Mtwara30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 4 days with some rainfall in September in Mtwara4
    4 days with some rainfall
  • 19°C minimum night-time temperature in September in Mtwara19
    19°C min night temperature
  • 12 hours of daylight per day in September in Mtwara12
    12 hours of daylight per day
  • High heat & humidity in September in MtwaraH
    High heat & humidity
  • 15 mm monthly rainfall in September in Mtwara15
    15 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Mtwara11
    11+ (Extreme) UV index
  • 25°C sea temperature in September in Mtwara25
    25°C sea temperature

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The September weather guide for Tanzania (Mtwara) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Mtwara in September?

Daytime temperatures usually reach 30°C in Mtwara in September with high heat and humidity, falling to 19°C at night.

How sunny is it in Mtwara in September?

There are normally 9 hours of bright sunshine each day in Mtwara in September - that's 76% of daylight hours.

How warm is the sea around Mtwara in September?

The average sea temperature around Mtwara in September is 25°C.

Does it rain in Mtwara in September?

There are usually 4 days with some rain in Mtwara in September and the average monthly rainfall is 15mm.

Mtwara September sunrise & sunset times

Browse the sunrise and sunset times for Mtwara in September 2025. Select a month to view Mtwara sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:22 18:17
Monday, 15th September 2025 06:13 18:16
Tuesday, 30th September 2025 06:04 18:15

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