Dalyan in September sees high daytime temperatures of 29°C (84°F) and nighttime lows of 21°C (70°F). Low rainfall is typical, with around 20 mm (0.8 in) for the month.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
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Pick a month to see the average temperature, rainfall and sunshine in Dalyan - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Dalyan typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 21°C (70°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Dalyan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Dalyan from 1978 through 2026.
Find out more about the weather in Turkey and which places have the best travel conditions in this month. See all of Turkey in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Dalyan climate overview or explore weather in Turkey.
Where to go in September - average daytime high across popular destinations.
Antalya
31°C (88°F) Side
30°C (86°F) Fethiye30°C (86°F) Oludeniz30°C (86°F) Alanya28°C (82°F) Alacati
26°C (79°F) Istanbul25°C (77°F) Trabzon
23°C (73°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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