Dalaman weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Dalaman in September. Check more long-term weather averages for Dalaman in September before you book your next holiday to Dalaman & Marmaris Coast in 2025/2026.

  • 31°C maximum daytime temperature in September in Dalaman31
    31°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in September in Dalaman4
    4 days with some rainfall
  • 16°C minimum night-time temperature in September in Dalaman16
    16°C min night temperature
  • 12 hours of daylight per day in September in Dalaman12
    12 hours of daylight per day
  • High heat & humidity in September in DalamanH
    High heat & humidity
  • 24 mm monthly rainfall in September in Dalaman24
    24 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Dalaman7
    7 (High) UV index
  • 26°C sea temperature in September in Dalaman26
    26°C sea temperature

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The September weather guide for Dalaman & Marmaris Coast (Dalaman) 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 Dalaman in September?

Daytime temperatures usually reach 31°C in Dalaman in September with high heat and humidity, falling to 16°C at night.

How sunny is it in Dalaman in September?

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

How warm is the sea around Dalaman in September?

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

Does it rain in Dalaman in September?

There are usually 4 days with some rain in Dalaman in September and the average monthly rainfall is 24mm.

Dalaman September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:36 19:33
Monday, 15th September 2025 06:47 19:12
Tuesday, 30th September 2025 06:59 18:50

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