Weather in Izmir in September 2025
Average weather
Average temperature in Izmir in September
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:
Can you swim in Izmir in September?
Climate in Izmir in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| 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 mm | 20 mm | 58 mm | ||||
| Wind | ||||||
| 5 m/s | 4 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +78°F | +75°F | +70°F | ||||
| Humidity | ||||||
| 48% | 53% | 63% | ||||
| Air pressure | ||||||
| 1008 HPa | 1012 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 28 | 24 | 19 | ||||
| Cloudy days | ||||||
| 0 | 1 | 4 | ||||
| Rainy days | ||||||
| 2 | 3 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
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
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
How was the weather last September in Izmir?
Climate Change Over the 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
Is September a good time to visit Izmir?
Can you sunbathe in Izmir in September?
Can you swim in Izmir in September?
Is Izmir rainy in September?
Is it sunny in Izmir in September?
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.