Tehran in September
9.0out of 10
Yes, a good time to go
Warm and comfortable: highs around 26°C. Very dry: about 1 rainy days.
26°CAvg high
16°CAvg low
1Rainy days (5 mm)
12:13 hDaylight
06:52Sunrise · 19:05 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Very dry: about 1 rainy days
What to wear and pack
- T-shirts and light layers
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (1.2 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 1°C | -8°C | 42 mm | 8 | – | – | 4.1 |
| February | 3°C | -6°C | 48 mm | 9 | – | – | 4.3 |
| March | 8°C | -1°C | 62 mm | 10 | – | – | 5.4 |
| April | 15°C | 6°C | 51 mm | 10 | – | – | 6.7 |
| May | 22°C | 12°C | 22 mm | 5 | – | – | 8.4 |
| June | 28°C | 18°C | 6 mm | 2 | – | – | 8.9 |
| July | 31°C | 21°C | 5 mm | 1 | – | – | 8.3 |
| August | 30°C | 20°C | 4 mm | 1 | – | – | 8.6 |
| September | 26°C | 16°C | 5 mm | 1 | – | – | 9.0 |
| October | 19°C | 9°C | 22 mm | 4 | – | – | 8.0 |
| November | 10°C | 1°C | 45 mm | 7 | – | – | 6.1 |
| December | 4°C | -6°C | 43 mm | 8 | – | – | 4.6 |
Frequently asked questions
How hot is Tehran in September?
Daytime highs average 26°C and nights about 16°C.
When is the best time to visit Tehran?
The best months are September, June, August, May.