Nizwa weather in September 2025

Expect daytime maximum temperatures of 35°C in Nizwa, Oman in September and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 35°C maximum daytime temperature in September in Nizwa35
    35°C max day temperature
  • 10 hours of sunshine per day
  • 1 day with some rainfall in September in Nizwa1
    1 day with some rainfall
  • 23°C minimum night-time temperature in September in Nizwa23
    23°C min night temperature
  • 12 hours of daylight per day in September in Nizwa12
    12 hours of daylight per day
  • Very high heat & humidity in September in NizwaVH
    Very High heat & humidity
  • 1 mm monthly rainfall in September in Nizwa1
    1 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Nizwa11
    11+ (Extreme) UV index

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The September weather guide for Oman (Nizwa) 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 Nizwa in September?

Daytime temperatures usually reach 35°C in Nizwa in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Nizwa in September?

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

Does it ever rain in Nizwa in September?

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

Nizwa September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:52 18:27
Monday, 15th September 2025 05:56 18:13
Tuesday, 30th September 2025 06:01 17:58

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