Tehran Weather in September
Tehran in September
The short of it: Tehran in September averages a high of 31 °C (87 °F) and a low of 20 °C (68 °F), with 2.0 mm (0.08 in) of rain and about 12 h 21 min of daylight. Rated 4 of 5 for a visit; the best months are April and October. Source: TerraClimate climate normals, 1991–2020.
Average high 31° · low 20° · rain 2.0 mm · daylight 12 h 21 min
✦✦✦✦ Recommended for a visit · best months: April & October
Thirty years of records give Tehran an average September high of 31°, a low of 20° and some 2.0 mm of rain. Days run hot, near 31° in the afternoon; ride early and rest at noon. Rain is scarce, about 2.0 mm, the 11th wettest month.
The sun is up for about 12 h 21 min in mid-September, 69 minutes less than a month before.
For the traveller: pack linen, a wide hat and water. The Almanac rates September 4 of 5 for a visit; the finest months here are April and October.
Against its neighbours, Tehran runs about middling and wetter than most in September. Vaḩīdīyeh, 5 km to the ENE, is 1° cooler by day.
September in Tehran, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 11th wettest of 12
- Versus August
- 4° colder, 0.0 mm more rain
- Versus October
- 7° warmer
- Day–night spread
- 10°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 21 min
- Average wind
- 9 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| VaḩīdīyehTehran | 5 km ENE | 30° | 19° | 2.0 mm |
| Shahrak-e QodsTehran | 8 km NNW | 29° | 18° | 2.0 mm |
| Morteẕá GerdTehran | 12 km SSW | 31° | 20° | 2.0 mm |
| TajrīshTehran | 12 km N | 28° | 17° | 2.0 mm |
| Shahrak-e ‘Alā’īnTehran | 13 km SSE | 31° | 20° | 3.0 mm |
| AndīshehTehran | 14 km WNW | 31° | 19° | 2.0 mm |
| Chahār DangehTehran | 14 km SW | 31° | 19° | 2.0 mm |
| BāqershahrTehran | 18 km S | 32° | 20° | 3.0 mm |