Izmir Weather in September
Izmir in September averages 31°C (88°F) during the day and 18°C (64°F) at night. Some rainfall is typical for this time of year.
Rainfall in Izmir in September
Climate statistics over the past 30 years suggest around 5 days of rain, with 27 mm (1.1 in) average for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Izmir in September
If you're visiting Izmir in September, expect perfect temperatures with highs of 31°C (88°F) and overnight lows of 18°C (64°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Izmir in September
The days are predominantly sunny, with an estimated total of around 293 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Izmir in September
Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.
Average water temperature in September
With water at 22°C (72°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May and October typically offer the best weather for Izmir.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Turkey, check out our Izmir's climate page.
Izmir Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Izmir typically drop from around 31°C (88°F) at the start of September to approximately 28°C (82°F) by the end. Nights are pleasant, with lows typically ranging from 16°C (61°F) to 20°C (68°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Izmir in September
Browse day-by-day weather records for Izmir spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Izmir historical weather extremes in September
Based on weather observations in Izmir between 1976 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 1, 2007, with a maximum of 40°C (104°F).
- The lowest daytime temperature in September was 18°C (64°F), recorded on September 30, 1977.
- Nighttime temperatures dropped to 8°C (46°F) on September 29, 1992, marking the coldest September night on record.
Best Places in Turkey in September
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 →
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What to Wear in Izmir in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. With water temperatures around 22°C (72°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Izmir in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Turkey, check out our Izmir's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Izmir climate overview or explore weather in Turkey.