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Iran in September 2026: weather, activities and where to go

Would you like to travel to Iran in September 2026? Find out about the usual weather conditions at that time, possible activities, and the best regions or cities to help you determine whether September matches the best time to visit Iran.

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Where to go to Iran in September according to your preferences?

Check your ideal travel criteria and see if the month of September is a good time to travel to Iran, with the most suitable destinations.
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Iran in September in summary

Page summary

Iran in September in summary
Best activities
Hiking and trekking Cultural visits and heritage Gastronomy
Hourly weather

Average weather in Iran in September 2026

Compare the most frequent weather conditions in major cities of Iran in September. These statistical data come from climatological normals over several years.

Tehran
From 1st to 30 September 2026
ideal weather Detail
Tehran
From 1st to 30 September 2026
0h
Dominant weather
Clear/Sunny
26 days out of 30 (86%)
22.0°C
Other common conditions
Partly Cloudy
3 days out of 30 (10%)
Moderate rain at times
1 days out of 30 (3%)
3h
Dominant weather
Clear/Sunny
26 days out of 30 (86%)
19.8°C
Other common conditions
Partly Cloudy
2 days out of 30 (6%)
Moderate rain at times
1 days out of 30 (3%)
Heavy rain
1 days out of 30 (3%)
6h
Dominant weather
Clear/Sunny
27 days out of 30 (90%)
19.5°C
Other common conditions
Partly Cloudy
2 days out of 30 (6%)
Moderate rain at times
1 days out of 30 (3%)
Cloudy
1 days out of 30 (3%)
9h
Dominant weather
Clear/Sunny
27 days out of 30 (90%)
27.9°C
Other common conditions
Partly Cloudy
2 days out of 30 (6%)
Moderate rain at times
1 days out of 30 (3%)
Heavy rain
1 days out of 30 (3%)
12h
Dominant weather
Clear/Sunny
27 days out of 30 (90%)
30.3°C
Other common conditions
Partly Cloudy
2 days out of 30 (6%)
Moderate rain at times
1 days out of 30 (3%)
15h
Dominant weather
Clear/Sunny
27 days out of 30 (90%)
31.9°C
Other common conditions
Moderate rain at times
2 days out of 30 (6%)
Partly Cloudy
1 days out of 30 (3%)
Heavy rain
1 days out of 30 (3%)
18h
Dominant weather
Clear/Sunny
27 days out of 30 (90%)
28.1°C
Other common conditions
Moderate rain at times
2 days out of 30 (6%)
Partly Cloudy
2 days out of 30 (6%)
21h
Dominant weather
Clear/Sunny
26 days out of 30 (86%)
24.4°C
Other common conditions
Partly Cloudy
2 days out of 30 (6%)
Moderate rain at times
1 days out of 30 (3%)
Heavy rain
1 days out of 30 (3%)
Climate

Climate of Iran in September

Analyze the temperatures and weather trends of the cities of Iran in September, then provide the climate summary for the period.

Weather charts in Iran in September

Temperatures and rain in Tehran in September

Average daily weather and comparison with other months of the year.
More details

Average daily weather

Temperatures and rain day by day in September.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Iran in September

City map

Where to go to Iran in September?

Compare cities in the country by weather, activities, crowding or prices to quickly identify the best places to stay.

Map where to go in September - Iran
Map where to go in September: Iran
Caption
Activities and events

What to do in Iran in September?

Best activities in September
Hiking and trekkingCultural visits and heritageGastronomy
Possible activities in September
Nature and landscapesBeach and swimming
Observed weather

What was the weather like in September?

Choose a city of Iran to view the day-by-day weather calendar in September 2025, with observed conditions, temperatures and rain.

Regions

Weather in September by region

Access the detailed weather and climate for each region of Iran for the month of September.

Month by month

Best time to go to Iran: month by month

Find the weather conditions in Iran for each month of the year and choose the most suitable time.

Frequently asked questions

Travel to to Iran in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, this is one of the best times. The weather conditions are ideal in Iran in September, which places this month 6th out of 12. Expect, however, more crowds and higher prices.

Expect an average of 44°C during the day and 11°C at night, with about 110 mm of precipitation spread over 5 rainy days.

Conditions are best around Tehran, Shiraz and Mashhad. At the regional level, it is Central Iran, Eastern Iran and Iranian Azerbaijan that stand out this month. On the other hand, the weather is more troublesome on the Ahvaz side.

Yes, overall: 85% of the territory shows good conditions in September. You can therefore choose your destination based on criteria other than the weather.

Yes: the sea is 32°C on average in September, a pleasant temperature for swimming.

This month is particularly suited to these activities: Hiking and trekking, Cultural visits and heritage and Gastronomy. These are the ones for which the conditions on site are most favourable.

Visitor numbers are moderate: this month is in High crowding, with an index of 48/100. It is often a good compromise between weather and tranquility.

No: rates are at level Low price, with a price index of 22/100. It’s one of the most budget-friendly months.

The most favorable months in Iran are: March, April, May, June, July, August, September and October. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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