Weather in Dalaman in September 2025
Average weather
Average temperature in Dalaman in September
The expected average maximum temperature in September is +32°C with a maximum of +36°C and a minimum of +19°C.
The average maximum temperature goes down 35% by the end of the month, compared with the beginning of the month, from +33°C to +27°C.
Is Dalaman warm or cold in September?
Dalaman is typically hot in September.
Maximum temperatures go down compared to the previous month from +34°C to +31°C. The minimum temperature also goes down from +24°C to +21°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
September is one of the warmest months in Dalaman, here is the comparison with other months:
Climate in Dalaman in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +34°C | +31°C | +26°C | ||||
| Min. temperature | ||||||
| +15°C | +12°C | +7°C | ||||
| Max. temperature | ||||||
| +42°C | +39°C | +37°C | ||||
| Rainfall | ||||||
| 3 mm | 16 mm | 72 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 62% | 61% | 65% | ||||
| Air pressure | ||||||
| 1006 HPa | 1010 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 27 | 24 | 19 | ||||
| Cloudy days | ||||||
| 0 | 1 | 4 | ||||
| Rainy days | ||||||
| 4 | 4 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September often has better weather than August. It’s getting colder in September. From +34°C in the day, the average maximum temperature lowers to +31°C. Prepare for more rain. Average rainfall goes from 3 mm to 16 mm. It feels drier, as humidity decreases from 62% to 61%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 27 sunny days in August to 24 in September.
October brings much the same weather, it remains great.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Dalaman is gradually increasing during September, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Dalaman?
Climate Change over Years
The climate in Dalaman in September has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+23°C) and the highest in 2010 (+25°C). The driest year was 1992 with only 555 mm of rainfall, and the wettest year was 2009 with 1544 mm.
FAQ
Is September a good time to visit Dalaman?
Can you sunbathe in Dalaman in September?
Is Dalaman rainy in September?
Is it sunny in Dalaman in September?
Monthly weather in Dalaman
Source of the data
For this page, we’ve looked at the typical weather in Dalaman, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.