Weather in Isfahan in September 2025
Average weather
Average temperature in Isfahan in September
The temperature in September is +34°C on average, with a range between a maximum of +38°C during the day and a minimum of +12°C at night.
The average maximum temperature goes down 27% by the end of the month, compared with the beginning of the month, from +36°C to +29°C.
Is Isfahan warm or cold in September?
Isfahan is typically hot in September.
Maximum temperatures go down compared to the previous month from +36°C to +32°C. The minimum temperature also goes down from +20°C to +15°C.
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 Isfahan:
Climate in Isfahan in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +36°C | +32°C | +25°C | ||||
| Min. temperature | ||||||
| +13°C | +7°C | 0°C | ||||
| Max. temperature | ||||||
| +41°C | +38°C | +33°C | ||||
| Rainfall | ||||||
| 0 mm | 0 mm | 2 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 20% | 22% | 33% | ||||
| Air pressure | ||||||
| 1005 HPa | 1009 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 29 | 29 | 22 | ||||
| Cloudy days | ||||||
| 2 | 1 | 6 | ||||
| Rainy days | ||||||
| 0 | 0 | 3 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting colder in September. From +36°C in the day, the average maximum temperature lowers to +32°C. The rainfall amount in September stays the same as in the previous month with a 0 mm of total precipitation. Humidity rises from 20% to 22%. The average wind speed doesn’t change much during September, staying around 1 m/s. The amount of sunny days stay about the same, averaging 29 sunny days during the month.
But maybe it is worth considering traveling in October as the weather gets better.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Isfahan is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.
How was the weather last September in Isfahan?
Climate Change over Years
The climate in Isfahan in September has not changed much over the last 43 years.
The average temperature was the lowest in 1986 (+21°C) and the highest in 2021 (+26°C). The driest year was 2008 with only 26 mm of rainfall, and the wettest year was 1986 with 170 mm.
FAQ
Is September a good time to visit Isfahan?
Can you sunbathe in Isfahan in September?
Is Isfahan rainy in September?
Is it sunny in Isfahan in September?
Other cities in Iran
Monthly weather in Isfahan
Source of the data
For this page, we’ve looked at the typical weather in Isfahan, 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.