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The weather in September in Iran

It's hot in September in Iran with an average temperature of 35°C. Temperatures this month range from a low of 32°C to a high of 38°C. At night, you can expect temperatures between 18°C and 24°C.

September is an awesome month to be in Iran for sunny weather. You’ll have high temperatures and not much chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Iran. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 42°C in 2018, Iran reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 24°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 28°C.

Rainfall amount

According to weather history, there is only 0,1 mm of precipitation in September. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in September for Iran

Click on any day in September to get detailed info about the usual weather on that day in Iran. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Iran New York
Average temperature 35°C 27°C
Max. temperature 38°C 31°C
Min. temperature 18°C -5°C
Total precipitation 0,1 mm 57 mm
Rainy days 1 day 9 days

Start of September

The month of September starts in Iran with hot temps, averaging around 37°C during the day and nights around 24°C.

Mid September

By mid-September, daytime temps drop to around 35°C, with nights around 22°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.

End of September

By the end of September, the average daytime temperature in Iran is around 34°C, while nighttime temps are about 20°C. No precipitation expected at the end of the month; it’ll be mostly sunny.

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Iran for all months and discover the best travel time

The climate in Iran is based on weather data from Tehran. Other spots might have different weather. You can check out all destinations in Iran to get the full picture of the climate.

Temperature charts

These charts show the average temperatures in September in Iran. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Iran

Temperature in September in Iran over the years

Precipitation charts

These charts show the average amount of precipitation in September in Iran. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Iran

Total precipitation in September in Iran over the years

Daily UV index in September in Iran

This chart shows the average daily UV index in September in Iran, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Iran

The weather in September in Iran is rated 4 out of 5 stars by 1 visitor. Have you been to Iran? Share your weather experience to help other visitors.

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Weather experience:Good StarStarStarStar

Nights were cool, which was a welcome change. Only occasional rain, but mostly clear and sunny. Ideal for travel and leisure.— This text is automatically translated to English

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Average weather in Iran by month

Click on a month below to see detailed weather info for Iran. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.