Datca weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Datca in September based on long-term weather averages. There is usually 4 days with some rainfall and 14 mm of average monthly rainfall in September.

  • 29°C maximum daytime temperature in September in Datca29
    29°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in September in Datca4
    4 days with some rainfall
  • 19°C minimum night-time temperature in September in Datca19
    19°C min night temperature
  • 12 hours of daylight per day in September in Datca12
    12 hours of daylight per day
  • Moderate heat & humidity in September in DatcaM
    Moderate heat & humidity
  • 14 mm monthly rainfall in September in Datca14
    14 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Datca7
    7 (High) UV index
  • 25°C sea temperature in September in Datca25
    25°C sea temperature

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

Daytime temperatures usually reach 29°C in Datca in September with moderate heat and humidity, falling to 19°C at night.

How sunny is it in Datca in September?

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

How warm is the sea around Datca in September?

The average sea temperature around Datca in September is 25°C.

Does it rain in Datca in September?

There are usually 4 days with some rain in Datca in September and the average monthly rainfall is 14mm.

Datca September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:40 19:37
Monday, 15th September 2025 06:52 19:17
Tuesday, 30th September 2025 07:04 18:54

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