Dalaman & Marmaris Coast weather in September 2025

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

  • 30°C maximum daytime temperature in September in Dalaman & Marmaris Coast (Marmaris)30
    30°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in September in Dalaman & Marmaris Coast (Marmaris)4
    4 days with some rainfall
  • 17°C minimum night-time temperature in September in Dalaman & Marmaris Coast (Marmaris)17
    17°C min night temperature
  • 12 hours of daylight per day in September in Dalaman & Marmaris Coast (Marmaris)12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Dalaman & Marmaris Coast (Marmaris)M
    Moderate heat & humidity
  • 17 mm monthly rainfall in September in Dalaman & Marmaris Coast (Marmaris)17
    17 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Dalaman & Marmaris Coast (Marmaris)7
    7 (High) UV index
  • 26°C sea temperature in September in Dalaman & Marmaris Coast (Marmaris)26
    26°C sea temperature

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The September weather guide for Dalaman & Marmaris Coast (Marmaris) 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 Dalaman & Marmaris Coast destinations

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

All Dalaman & Marmaris destinations

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

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Dalaman & Marmaris Coast in September

While the sun's summer ferocity may have abated in Turkey by September, it's still pleasantly hot with plenty of sunshine, and with only moderate heat and humidity all along the Dalaman and Marmaris coast.

Istuzu Beach, Dalyan, Turkey
Istuzu Beach, Dalyan, Turkey © Ihsan Gercelman - Fotolia.com

Turkey ticks every box when it comes to its beaches as there's so much variety, from the golden sands of Olu Deniz to the black sand of Bodrum.

Marmaris offers its lively Icmeler Beach, range of activities such as full-day boat trips including snorkelling, and sights such as a turtle sanctuary, and the mud baths at Istuzu Beach in Dalyan, among others.

More about the Dalaman & Marmaris Coast

How hot is it in the Dalaman & Marmaris Coast in September?

Daytime temperatures usually reach 30°C in Marmaris, Dalaman & Marmaris Coast in September with moderate heat and humidity, falling to 17°C at night.

How sunny is it in the Dalaman & Marmaris Coast in September?

There are normally 11 hours of bright sunshine each day in Marmaris, Dalaman & Marmaris Coast in September - that's 89% of daylight hours.

How warm is the sea around the Dalaman & Marmaris Coast in September?

The average sea temperature around Marmaris, Dalaman & Marmaris Coast in September is 26°C.

Does it rain in the Dalaman & Marmaris Coast in September?

There are usually 4 days with some rain in Marmaris, Dalaman & Marmaris Coast in September and the average monthly rainfall is 17mm.

Dalaman & Marmaris Coast September sunrise & sunset times

Browse the sunrise and sunset times for Dalaman & Marmaris Coast in September 2025. Select a month to view Dalaman & Marmaris Coast sunrise and sunset times for the next 12 months. The Dalaman & Marmaris Coast sunrise and sunset times shown below are for Marmaris.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:38 19:35
Monday, 15th September 2025 06:49 19:14
Tuesday, 30th September 2025 07:01 18:52

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