Iran (Tehran)
September
Weather in Iran for September 2025
Your guide to Iran weather in September - trends and predictions
In general, the average temperature in Iran at the beginning of September is 33.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.3 °C by the end of September.
With an average of 4 rainy days, Iran experiences minimal rainfall in September.
Temperatures
Rain 🌧️
26
Dry days
4
Rainy days
0
Snow days
29°/21°
Temperatures
13 km/h
Avg max wind
24 %
Avg humidity
Iran in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2 33° | 3 34° | 4 34° | 5 35° | 6 34° | 7 32° |
| 8 32° | 9 33° | 10 33° | 11 31° | 12 33° | 13 33° | 14  31° |
| 15 29° | 16 28° | 17 29° | 18 28° | 19 27° | 20 27° | 21 28° |
| 22 29° | 23 30° | 24 30° | 25 30° | 26 27° | 27 25° | 28 21° |
| 29 21° | 30 23° |
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Temperatures trend during September in Iran
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 33° /23° | 0 mm | 8 | |
| 2 Sept. | Sunny | 33° /23° | 0 mm | 8 | |
| 3 Sept. | Sunny | 34° /23° | 0 mm | 8 | |
| 4 Sept. | Sunny | 34° /24° | 0 mm | 8 | |
| 5 Sept. | Sunny | 35° /25° | 0 mm | 9 | |
| 6 Sept. | Sunny | 34° /25° | 0 mm | 9 | |
| 7 Sept. | Sunny | 32° /23° | 0 mm | 8 | |
| 8 Sept. | Sunny | 32° /23° | 0 mm | 8 | |
| 9 Sept. | Sunny | 33° /23° | 0 mm | 8 | |
| 10 Sept. | Sunny | 33° /22° | 0 mm | 8 | |
| 11 Sept. | Sunny | 31° /22° | 0 mm | 8 | |
| 12 Sept. | Sunny | 33° /23° | 0 mm | 8 | |
| 13 Sept. | Sunny | 33° /23° | 0 mm | 8 | |
| 14 Sept. | Partly cloudy | 31° /21° | 2 mm | 7 | |
| 15 Sept. | Sunny | 29° /19° | 0.8 mm | 7 | |
| 16 Sept. | Sunny | 28° /19° | 1.2 mm | 7 | |
| 17 Sept. | Sunny | 29° /19° | 0 mm | 7 | |
| 18 Sept. | Sunny | 28° /20° | 0 mm | 7 | |
| 19 Sept. | Sunny | 27° /18° | 0 mm | 7 | |
| 20 Sept. | Sunny | 27° /18° | 0 mm | 7 | |
| 21 Sept. | Sunny | 28° /19° | 0 mm | 7 | |
| 22 Sept. | Sunny | 29° /20° | 0 mm | 8 | |
| 23 Sept. | Sunny | 30° /21° | 0 mm | 8 | |
| 24 Sept. | Sunny | 30° /21° | 0 mm | 8 | |
| 25 Sept. | Sunny | 30° /20° | 0 mm | 8 | |
| 26 Sept. | Partly cloudy | 27° /18° | 0.5 mm | 7 | |
| 27 Sept. | Sunny | 25° /17° | 0.4 mm | 7 | |
| 28 Sept. | Sunny | 21° /13° | 6.2 mm | 5 | |
| 29 Sept. | Sunny | 21° /12° | 8.3 mm | 5 | |
| 30 Sept. | Partly cloudy | 23° /14° | 0.3 mm | 6 | |
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Important Notice
Our weather forecast for Iran in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Iran forecast closer to your planned date for the most up-to-date weather information.
Iran in September - FAQ
What are the expected maximum and minimum temperatures in Iran during September?
During September, expect a variety of temperatures with highs around 29° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Iran during September?
Expect minimal rainfall in Iran during September, with a total of 19.7 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Iran during September?
The average wind speed in Iran during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Iran
Explore the daily rainfall trends and prepare for Irans September weather 💧
UV exposure in Iran during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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