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Tehran in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Tehran in September and see if it is worth visiting.
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September

Weather in Tehran in September 2024

Good Weather
Warm
☀️
Sunny
Planning a trip to Tehran in September? You are in luck! The weather is generally good, with an average maximum temperature of +30°C and approximately 28 sunny days. Just be prepared for some rain, as there are usually around 0 rainy days and 1 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+30°C
Avg. max. temperature
+7°C
Min.
+37°C
Max.
1 mm
Total precipitation
26%
Avg. humidity
1 m/s
Avg. wind
28 ☀️
Sunny Days
2 ⛅️
Cloudy
0 🌦
Rainy
Our opinion: Tehran has good weather in September.

Average temperature in Tehran in September

Here are the expected maximum, average and minimum temperatures in Tehran for September based on the historical data.
Last Year
Historical Data

The temperature in September is +33°C on average, with a range between a maximum of +35°C during the day and a minimum of +16°C at night.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +34°C to +34°C.

Is Tehran warm or cold in September?

Tehran is typically warm in September.

Maximum temperatures go down compared to the previous month from +34°C to +30°C. The minimum temperature also goes down from +23°C to +18°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Tehran:

Climate in Tehran in September

Tehran weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+34°C+30°C+22°C
Min. temperature
+13°C+7°C-1°C
Max. temperature
+41°C+37°C+32°C
Rainfall
1 mm1 mm15 mm
Wind
1 m/s1 m/s1 m/s
Humidity
24%26%37%
Air pressure
1008 HPa1012 HPa1017 HPa
Sunny days
282820
Cloudy days
329
Rainy days
002
Snowy days
000

September weather is still as good as in August. It’s getting colder in September. From +34°C in the day, the average maximum temperature lowers to +30°C. The rainfall amount in September stays the same as in the previous month with a 1 mm of total precipitation. Humidity rises from 24% to 26%. 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 28 sunny days during the month.

October brings much the same weather, it remains good.

Wind

Wind speed in Tehran in September based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Tehran is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.

How was the weather last September in Tehran?

This is the weather in Tehran in September 2023:
1 September
☀️
+34°C
2 September
☀️
+35°C
3 September
☀️
+35°C
4 September
☀️
+35°C
5 September
☀️
+34°C
6 September
☀️
+34°C
7 September
☀️
+34°C
8 September
☀️
+35°C
9 September
☀️
+35°C
10 September
☀️
+33°C
11 September
☀️
+30°C
12 September
☀️
+29°C
13 September
☀️
+32°C
14 September
☁️
+35°C
15 September
☀️
+34°C
16 September
☀️
+32°C
17 September
☀️
+32°C
18 September
☀️
+32°C
19 September
☀️
+33°C
20 September
☀️
+34°C
21 September
☀️
+34°C
22 September
☀️
+33°C
23 September
☀️
+33°C
24 September
☀️
+34°C
25 September
☀️
+34°C
26 September
☀️
+30°C
27 September
☀️
+31°C
28 September
☀️
+32°C
29 September
☀️
+33°C
30 September
☀️
+34°C
In September 2023 Tehran had 29 sunny days, 1 cloudy days, and 0 rainy days. The average maximum temperature was +33°C, with an absolute maximum of +35°C and a minimum of +29°C. The average humidity was 18%, with a maximum of 55% and a minimum of 4%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Tehran climate have been changing during last 43 years period.

The climate in Tehran in September has not changed much over the last 43 years.

The average temperature was the lowest in 1994 (+29°C) and the highest in 2021 (+34°C). The driest year was 2012 with only 0 mm of rainfall, and the wettest year was 2022 with 0 mm.

FAQ

Frequently asked questions about the weather in Tehran in September:

Is September a good time to visit Tehran?

September is a really good time to go to Tehran. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Tehran.

Can you sunbathe in Tehran in September?

September is warm in Tehran. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Tehran rainy in September?

Tehran is usually dry in September. Plan your packing around outdoor activities and exploring.

Is it sunny in Tehran in September?

Yes, Tehran is sunny in September. Prepare for lots of rays. Don’t forget to pack your sunglasses and sunscreen, and maybe pick up a wide-brimmed hat when you arrive.

Other cities in Iran

Check out the weather for other cities in Iran.

Monthly weather in Tehran

Source of the data

For this page, we’ve looked at the typical weather in Tehran, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

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.