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Tehran weather in September 2025
Expect daytime maximum temperatures of 30°C in Tehran, Iran in September based on long-term weather averages. There are 10 hours of sunshine per day on average.
- 30°C max day temperature
30 - 10 hours of sunshine per day
- 2 days with some rainfall
2 - 17°C min night temperature
17 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 3 mm of monthly rainfall
3 - 9 (Very High) UV index
9
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Recommended for Iran
The September weather guide for Iran (Tehran) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in Tehran in September?
Daytime temperatures usually reach 30°C in Tehran in September with moderate heat and humidity, falling to 17°C at night.
How sunny is it in Tehran in September?
There are normally 10 hours of bright sunshine each day in Tehran in September - that's 80% of daylight hours.
Does it ever rain in Tehran in September?
There are usually 2 days with some rain in Tehran in September and the average monthly rainfall is 3mm.
Tehran September sunrise & sunset times
Browse the sunrise and sunset times for Tehran in September 2025. Select a month to view Tehran sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:36 | 18:32 |
| Monday, 15th September 2025 | 05:47 | 18:11 |
| Tuesday, 30th September 2025 | 05:58 | 17:50 |
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