The climate in Tehrān during September can be summarized as hot and very dry.
September is in the fall / autumn in Tehrān and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 17°C (63°F) is normal.
|Daytime temperature||30°C 86°F|
|Nightly temperature||17°C 62.6°F|
|Average temperature||23.5°C 74.3°F|
|Daily sunshine||10.7 hrs|
|Avg rainfall||3 mm 0.1 ins|
|Rainy days||2 days|
|Sea temperature||26.8°C 80.2°F|
|Windspeed||7.2kph 5 mph|
On average September is the driest month of the year in Tehrān with around 3mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10.7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Tehrān in September 2023.
Best places to visit in September
|Hottest month:||July||34.9°C 94.8°F|
|Driest month:||September||3mm 0.1ins|
|Coldest month:||January||5.3°C 41.5°F|
|Wettest month:||March||40mm 1.6ins|