Tehran
September
Weather in Tehran for September 2025
Your guide to Tehran weather in September - trends and predictions
In general, the average temperature in Tehran 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.
Precipitation in Tehran during September is a rare event, with an average of fewer than 2 rainy days.
Is September a good time to visit Tehran? check out the best time to travel to Tehran page.
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30
Dry days
0
Rainy days
0
Snow days
30°/21°
Temperatures
13 km/h
Avg max wind
23 %
Avg humidity
Tehran 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 Tehran
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 Tehran 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 Tehran forecast closer to your planned date for the most up-to-date weather information.
Tehran in September - FAQ
What are the expected maximum and minimum temperatures in Tehran during September?
During September, expect a variety of temperatures with highs around 30° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Tehran during September?
Rainfall in Tehran during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Tehran during September?
The average wind speed in Tehran during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Tehran in September?
As you prepare for your trip to Tehran in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Tehran, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Footwear
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Tehran
Explore the daily rainfall trends and prepare for Tehrans September weather 💧
UV exposure in Tehran during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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