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.
Is September a good time to visit Iran? check out the best time to travel to Iran page.
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Temperatures
Rain 🌧️
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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.
What to pack to Iran in September?
As you prepare for your trip to Iran 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 Iran, 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 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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Top locations in Iran
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