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The weather in Teheran in September is hot. The average temperatures are between 22°C and 32°C.
There shouldn't be any rainy days in in Teheran during September. Having said that, the days are very hot in September so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Teheran in September 2025.
If you’re planning to visit Teheran in the near future, we highly recommend that you review the 14 day weather forecast for Teheran before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 1° | 3 | 26 | 2 | 36 mm | Bad | Teheran in January |
| February | 10° / 3° | 3 | 24 | 2 | 42 mm | Bad | Teheran in February |
| March | 16° / 7° | 3 | 27 | 0 | 48 mm | Good | Teheran in March |
| April | 22° / 13° | 3 | 27 | 0 | 43 mm | Good | Teheran in April |
| May | 28° / 20° | 1 | 30 | 0 | 39 mm | Perfect | Teheran in May |
| June | 35° / 25° | 0 | 30 | 0 | 12 mm | Ok | Teheran in June |
| July | 38° / 28° | 0 | 31 | 0 | 5 mm | Bad | Teheran in July |
| August | 37° / 26° | 0 | 31 | 0 | 4 mm | Ok | Teheran in August |
| September | 32° / 22° | 0 | 30 | 0 | 3 mm | Good | Teheran in September |
| October | 24° / 15° | 1 | 30 | 0 | 25 mm | Perfect | Teheran in October |
| November | 14° / 7° | 3 | 27 | 0 | 51 mm | Good | Teheran in November |
| December | 10° / 3° | 1 | 29 | 0 | 31 mm | Ok | Teheran in December |