Isfahan weather in September
September is one of the best months to visit Isfahan: highs of 32°C (89°F) and about 1 mm (0.0 in) of rain on average. Nights average 15°C (59°F) and cloud cover 20% (NASA POWER, 2001–2025 averages). It is the driest month of the year and the 4th warmest. Compared with August, it is cooler and about as wet; October brings highs of 25°C (77°F) and 4 mm (0.2 in) of rain.
Figures are long-term averages for Isfahan, the largest city in Isfahan. See below for other places.
Is September a good time to visit Isfahan?
best month Weather score 93/100.
Yes. September is one of the best months for weather in Isfahan.
Does it rain a lot in Isfahan in September?
No, it is usually dry: about 1 mm (0.0 in) falls in an average September. It is the driest month of the year.
How warm is Isfahan in September?
Days average 32°C (89°F) and nights 15°C (59°F).
Isfahan weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 9°C (48°F) | -4°C (25°F) | 23 mm | 39% | least pleasant |
| February | 12°C (53°F) | -3°C (27°F) | 20 mm | 38% | least pleasant |
| March | 18°C (64°F) | 1°C (34°F) | 28 mm | 40% | fair |
| April | 23°C (73°F) | 7°C (44°F) | 26 mm | 48% | best |
| May | 29°C (85°F) | 12°C (54°F) | 10 mm | 37% | best |
| June | 36°C (96°F) | 18°C (64°F) | 2 mm | 19% | fair |
| July | 38°C (100°F) | 20°C (68°F) | 1 mm | 26% | fair |
| August | 36°C (96°F) | 19°C (66°F) | 1 mm | 22% | fair |
| September | 32°C (89°F) | 15°C (59°F) | 1 mm | 20% | best |
| October | 25°C (77°F) | 9°C (49°F) | 4 mm | 29% | best |
| November | 16°C (60°F) | 2°C (35°F) | 24 mm | 38% | fair |
| December | 11°C (51°F) | -2°C (28°F) | 26 mm | 37% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Isfahan in September
Weather can differ a lot within Isfahan: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Isfahan | 32°C (89°F) | 15°C (59°F) | 1 mm | best |
| Kashan | 31°C (87°F) | 15°C (59°F) | 1 mm | best |
| Kāshān | 31°C (87°F) | 15°C (59°F) | 1 mm | best |
| Khomeynī Shahr | 31°C (87°F) | 13°C (56°F) | 1 mm | best |
| Najafābād | 31°C (87°F) | 13°C (56°F) | 1 mm | best |
| Shāhīn Shahr | 30°C (86°F) | 13°C (56°F) | 1 mm | best |
| Shahreẕā | 30°C (85°F) | 13°C (56°F) | 1 mm | best |
| Bahārestān | 32°C (89°F) | 15°C (59°F) | 1 mm | best |
| Fūlād Shahr | 31°C (87°F) | 13°C (56°F) | 1 mm | best |
| Mobārakeh | 31°C (87°F) | 13°C (56°F) | 1 mm | best |
| Ārān Bīdgol | 31°C (87°F) | 15°C (59°F) | 1 mm | best |
| Golpāyegān | 29°C (85°F) | 12°C (54°F) | 1 mm | best |