Mariental weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Mariental in September. Check more long-term weather averages for Mariental in September before you book your next holiday to Namibia in 2025/2026.

  • 29°C maximum daytime temperature in September in Mariental29
    29°C max day temperature
  • 11 hours of sunshine per day
  • 1 day with some rainfall in September in Mariental1
    1 day with some rainfall
  • 9°C minimum night-time temperature in September in Mariental9
    9°C min night temperature
  • 12 hours of daylight per day in September in Mariental12
    12 hours of daylight per day
  • Low heat & humidity in September in MarientalL
    Low heat & humidity
  • 1 mm monthly rainfall in September in Mariental1
    1 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Mariental9
    9 (Very High) UV index

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The September weather guide for Namibia (Mariental) 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 Mariental in September?

Daytime temperatures usually reach 29°C in Mariental in September with low heat and humidity, falling to 9°C at night.

How sunny is it in Mariental in September?

There are normally 11 hours of bright sunshine each day in Mariental in September - that's 90% of daylight hours.

Does it ever rain in Mariental in September?

There is usually 1 day with some rain in Mariental in September and the average monthly rainfall is 1mm.

Mariental September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 07:00 18:37
Monday, 15th September 2025 06:45 18:42
Tuesday, 30th September 2025 06:29 18:47

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