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Dalaman in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Dalaman in September will be like? Take a look at our weather guide for Dalaman, based on historical data.
Check flight prices to Dalaman on Avionero:
September

Weather in Dalaman in September 2025

Great Weather
Hot
☀️
Sunny
September is an ideal time to visit Dalaman if you're seeking a destination with brilliant weather. Anticipate average maximum temperatures of +88°F and about 24 sunny days, ensuring you'll have ample opportunities to soak up the sunshine. It's worth noting, though, that there may be some rainfall, with approximately 16 mm of precipitation over an average of 4 rainy days. So, prepare your sunglasses, a beach towel, and great walking shoes, as it's most likely going to be amazing weather. Search flights in one click on Avionero.

Average weather

☀️
+88°F
Avg. max. temperature
+54°F
Min.
+102°F
Max.
16 mm
Total precipitation
61%
Avg. humidity
2 m/s
Avg. wind
24 ☀️
Sunny Days
1 ⛅️
Cloudy
4 🌦
Rainy
Our opinion: Dalaman has great weather in September.

Average temperature in Dalaman in September

Here are the expected maximum, average and minimum temperatures in Dalaman for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +97°F during the day to a minimum of +66°F during the night, the temperature in September averages around +90°F.

The average maximum temperature goes down 35% by the end of the month, compared with the beginning of the month, from +91°F to +81°F.

Is Dalaman warm or cold in September?

Dalaman is typically hot in September.

Maximum temperatures go down compared to the previous month from +93°F to +88°F. The minimum temperature also goes down from +75°F to +70°F.

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

Dalaman weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+93°F+88°F+79°F
Min. temperature
+59°F+54°F+45°F
Max. temperature
+108°F+102°F+99°F
Rainfall
3 mm16 mm72 mm
Wind
2 m/s2 m/s2 m/s
Humidity
62%61%65%
Air pressure
1006 HPa1010 HPa1014 HPa
Sunny days
272419
Cloudy days
014
Rainy days
445
Snowy days
000

September often has better weather than August. It’s getting colder in September. From +93°F in the day, the average maximum temperature lowers to +88°F. 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

Wind speed in Dalaman in September based on historical data.
Last Year
Historical Data

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

Amount of rainfall in mm during September in Dalaman based on historical data.
Last Year
Historical Data
Typically, there is a 23% chance of rain on an average day in September, with total rainfall of approximately 25 mm. The maximum amount of rainfall per day is around 8 mm, which is considered light rain. On average, there are about 7 rainy days during September, so prepare to bring an umbrella.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Dalaman wettest month is January, where a typical day has a 39% chance of precipitation and 208 mm of rainfall per day. July, on the other hand, is the driest month with a mere 10% chance of precipitation and 3 mm of rainfall per day.

How was the weather last September in Dalaman?

This is the weather in Dalaman in September 2023:
1 September
☀️
+91°F
2 September
☀️
+90°F
3 September
☀️
+92°F
4 September
☁️
+90°F
5 September
🌧️
+86°F
6 September
☁️
+90°F
7 September
☀️
+91°F
8 September
☀️
+94°F
9 September
☀️
+91°F
10 September
☀️
+90°F
11 September
🌧️
+89°F
12 September
☀️
+91°F
13 September
☀️
+93°F
14 September
☀️
+92°F
15 September
☀️
+90°F
16 September
☀️
+92°F
17 September
☀️
+92°F
18 September
☀️
+91°F
19 September
☀️
+89°F
20 September
☀️
+90°F
21 September
☀️
+89°F
22 September
☀️
+92°F
23 September
☀️
+97°F
24 September
☀️
+97°F
25 September
☀️
+92°F
26 September
☀️
+91°F
27 September
☁️
+87°F
28 September
☁️
+84°F
29 September
☁️
+84°F
30 September
☁️
+81°F
In September 2023 Dalaman had 22 sunny days, 6 cloudy days, and 2 rainy days. The average maximum temperature was +90°F, with an absolute maximum of +97°F and a minimum of +81°F. The average humidity was 69%, with a maximum of 100% and a minimum of 31%. The average wind speed was 3 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Dalaman climate has changed over the last 43 years.

The climate in Dalaman in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1992 (+73°F) and the highest in 2010 (+77°F). The driest year was 1992 with only 555 mm of rainfall, and the wettest year was 2009 with 1544 mm.

FAQ

Frequently asked questions about the weather in Dalaman in September:

Is September a good time to visit Dalaman?

Yes, September is a great time to go to Dalaman, the weather couldn’t be better. Be ready to get outside, explore and enjoy. Check what other months that are a good time to visit Dalaman.

Can you sunbathe in Dalaman in September?

Absolutely, September is hot in Dalaman. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Dalaman rainy in September?

Dalaman is usually dry in September. Plan your packing around outdoor activities and exploring.

Is it sunny in Dalaman in September?

Yes, Dalaman is sunny in September. Prepare for lots of rays. Don’t forget to pack your sunglasses and sunscreen, and maybe pick up a wide-brimmed hat when you arrive.

Other cities in Turkey

Check out the weather for other cities in Turkey.

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.