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Izmir in September: Weather, Average temperature and Climate

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

Weather in Izmir in September 2025

Great Weather
Hot
☀️
Sunny
🌊
Comfortable water
September is an ideal time to visit Izmir 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 20 mm of precipitation over an average of 3 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
+50°F
Min.
+106°F
Max.
20 mm
Total precipitation
53%
Avg. humidity
4 m/s
Avg. wind
24 ☀️
Sunny Days
1 ⛅️
Cloudy
3 🌦
Rainy
Our opinion: Izmir has great weather in September.
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Average temperature in Izmir in September

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

Going from a maximum of +95°F during the day to a minimum of +64°F during the night, the temperature in September averages around +90°F.

The average maximum temperature goes down 29% by the end of the month, compared with the beginning of the month, from +93°F to +84°F.

Is Izmir warm or cold in September?

Izmir is typically hot in September.

Maximum temperatures go down compared to the previous month from +95°F to +88°F. The minimum temperature also goes down from +73°F to +66°F.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

Take a look at how September is compared to other months in Izmir:

Water temperature in Izmir in September

Water in Izmir in September is Comfortable. It varies from +73°F to +77°F, with an average of +75°F. The air temperature averaging +88°F is higher than the water temperature.

The water temperature in September is one of the warmest of the entire year:

The warmest water temperatures in Izmir are reached in August, when the average sea temperature rises to +78°F. The coldest water temperatures are in February, with an average of +57°F.

Can you swim in Izmir in September?

The water in Izmir in September is pretty comfortable (+75°F in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Don’t forget a large beach towel or two for drying off.

Climate in Izmir in September

Izmir weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+95°F+88°F+77°F
Min. temperature
+63°F+50°F+39°F
Max. temperature
+108°F+106°F+97°F
Rainfall
3 mm20 mm58 mm
Wind
5 m/s4 m/s3 m/s
Avg. water temperature
+78°F+75°F+70°F
Humidity
48%53%63%
Air pressure
1008 HPa1012 HPa1016 HPa
Sunny days
282419
Cloudy days
014
Rainy days
235
Snowy days
000

September often has better weather than August. It’s getting colder in September. From +95°F in the day, the average maximum temperature lowers to +88°F. Prepare for more rain. Average rainfall goes from 3 mm to 20 mm. Humidity rises from 48% to 53%. Winds are calmer in comparison to August, going down from 5 m/s to 4 m/s on average. The days becoming less sunny, going from 28 sunny days in August to 24 in September.

October brings much the same weather, it remains great.

Wind

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

The average wind speed is 5 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Izmir is gradually increasing during September, going from 5 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Izmir 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 27 mm. The maximum amount of rainfall per day is around 12 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:
Izmir wettest month is December, where a typical day has a 35% chance of precipitation and 125 mm of rainfall per day. July, on the other hand, is the driest month with a mere 6% chance of precipitation and 2 mm of rainfall per day.

How was the weather last September in Izmir?

This is the weather in Izmir in September 2023:
1 September
☀️
+93°F
2 September
☀️
+89°F
3 September
☀️
+95°F
4 September
☁️
+91°F
5 September
☁️
+87°F
6 September
☀️
+91°F
7 September
☀️
+94°F
8 September
☀️
+94°F
9 September
☀️
+88°F
10 September
☀️
+93°F
11 September
☀️
+89°F
12 September
☀️
+89°F
13 September
☀️
+90°F
14 September
☀️
+90°F
15 September
☀️
+93°F
16 September
☀️
+93°F
17 September
☀️
+95°F
18 September
☀️
+90°F
19 September
☀️
+90°F
20 September
☀️
+87°F
21 September
☀️
+93°F
22 September
☀️
+93°F
23 September
☀️
+94°F
24 September
☀️
+93°F
25 September
☀️
+91°F
26 September
☀️
+89°F
27 September
☁️
+88°F
28 September
☁️
+84°F
29 September
☁️
+83°F
30 September
☀️
+84°F
In September 2023 Izmir had 25 sunny days, 5 cloudy days, and 0 rainy days. The average maximum temperature was +90°F, with an absolute maximum of +95°F and a minimum of +82°F. The average humidity was 55%, with a maximum of 100% and a minimum of 23%. The average wind speed was 5 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1991 (+73°F) and the highest in 2010 (+77°F). The driest year was 1992 with only 369 mm of rainfall, and the wettest year was 1981 with 1047 mm.

FAQ

Frequently asked questions about the weather in Izmir in September:

Is September a good time to visit Izmir?

Yes, September is a great time to go to Izmir, 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 Izmir.

Can you sunbathe in Izmir in September?

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

Can you swim in Izmir in September?

Yes, the water temperature in Izmir in September is considered moderate and enjoyable for most people, averaging around +75°F.

Is Izmir rainy in September?

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

Is it sunny in Izmir in September?

Yes, Izmir 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 Izmir

Source of the data

For this page, we’ve looked at the typical weather in Izmir, 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.