Olu Deniz weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Olu Deniz in September. Check more long-term weather averages for Olu Deniz in September before you book your next holiday to Dalaman & Marmaris Coast in 2025/2026.

  • 30°C maximum daytime temperature in September in Olu Deniz30
    30°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in September in Olu Deniz4
    4 days with some rainfall
  • 15°C minimum night-time temperature in September in Olu Deniz15
    15°C min night temperature
  • 12 hours of daylight per day in September in Olu Deniz12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Olu DenizM
    Moderate heat & humidity
  • 19 mm monthly rainfall in September in Olu Deniz19
    19 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Olu Deniz7
    7 (High) UV index
  • 26°C sea temperature in September in Olu Deniz26
    26°C sea temperature

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The September weather guide for Dalaman & Marmaris Coast (Olu Deniz) 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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More about the Dalaman & Marmaris Coast

How hot is it in Olu Deniz in September?

Daytime temperatures usually reach 30°C in Olu Deniz in September with moderate heat and humidity, falling to 15°C at night.

How sunny is it in Olu Deniz in September?

There are normally 11 hours of bright sunshine each day in Olu Deniz in September - that's 89% of daylight hours.

How warm is the sea around Olu Deniz in September?

The average sea temperature around Olu Deniz in September is 26°C.

Does it rain in Olu Deniz in September?

There are usually 4 days with some rain in Olu Deniz in September and the average monthly rainfall is 19mm.

Olu Deniz September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:35 19:32
Monday, 15th September 2025 06:46 19:11
Tuesday, 30th September 2025 06:58 18:48

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