Oman weather in September 2025

Expect 36°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Oman in September. Check more long-term weather averages for Oman in September before you book your next holiday to Oman in 2025/2026.

  • 36°C maximum daytime temperature in September in Oman (Muscat)36
    36°C max day temperature
  • 10 hours of sunshine per day
  • 0 days with some rainfall in September in Oman (Muscat)0
    0 days with some rainfall
  • 26°C minimum night-time temperature in September in Oman (Muscat)26
    26°C min night temperature
  • 12 hours of daylight per day in September in Oman (Muscat)12
    12 hours of daylight per day
  • Extreme heat & humidity in September in Oman (Muscat)E
    Extreme heat & humidity
  • 0 mm monthly rainfall in September in Oman (Muscat)0
    0 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Oman (Muscat)11
    11 (Extreme) UV index
  • 30°C sea temperature in September in Oman (Muscat)30
    30°C sea temperature

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The September weather guide for Oman (Muscat) 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.

Top Oman destinations

Below are average maximum temperatures at popular countries, regions and places in Oman in September. Select a holiday destination to see more weather parameters.

All Oman destinations

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

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More about Oman

How hot is it in Oman in September?

Daytime temperatures usually reach 36°C in Muscat, Oman in September with extreme heat and humidity, falling to 26°C at night.

How sunny is it in Oman in September?

There are normally 10 hours of bright sunshine each day in Muscat, Oman in September - that's 79% of daylight hours.

How warm is the sea around Oman in September?

The average sea temperature around Muscat, Oman in September is 30°C.

Does it ever rain in Oman in September?

There are usually no days with some rain in Muscat, Oman in September and the average monthly rainfall is 0mm.

Oman September sunrise & sunset times

Browse the sunrise and sunset times for Oman in September 2025. Select a month to view Oman sunrise and sunset times for the next 12 months. The Oman sunrise and sunset times shown below are for Muscat.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:48 18:23
Monday, 15th September 2025 05:52 18:09
Tuesday, 30th September 2025 05:57 17:54

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