IranAverage weather for Tehran in September
It's hot in September in Tehran 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.
Start of September
The month of September starts in Tehran with hot temps, averaging around 37°C during the day and nights around 24°C. No precipitation expected at the start of the month; it’ll be sunny. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of September
By the end of September, the average daytime temperature in Tehran 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.
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.
Tehran in September |
New York | ||
|---|---|---|---|
 Average temperature |
35°C | 27°C | |
 Max. temperature |
38°C | 31°C | |
| Min. temperature |
32°C | -5°C | |
 Total precipitation |
0,1 mm | 57 mm | |
| Rainy days |
0 days | 9 days | |
August
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.
Is September a good time to visit Tehran?
September is an awesome month to be in Tehran for sunny weather. You’ll have high temperatures and not much chance of rain this month.
Temperature records
With 42°C in 2018, Tehran 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.
Check out the climate of Tehran for all months and discover the best travel time
Daily Temperature in September in Tehran
This chart shows the average daily high and low temperatures in September for Tehran, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Tehran
The chart below shows the average daily precipitation in September for Tehran, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect it to stay dry all month in Tehran.
Daily UV index in September in Tehran
This chart shows the average daily UV index in September in Tehran, 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.
Temperature in September in Tehran over the years
This chart shows the average temperature in September in Tehran, measured in degrees Celsius, over the past few years.
Total precipitation in September in Tehran over the years
This chart shows the average precipitation in September in Tehran, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Tehran
Click on any day in September to get detailed info about the usual weather on that day in Tehran. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Tehran
Have you been to Tehran in September?
Share your weather experience in September in Tehran.
Average weather in Tehran by month
Click on a month below to see detailed weather info for Tehran. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
