Isfahan Weather in September
With daytime temperatures of 34°C (93°F) and nighttime lows of 16°C (61°F), September in Isfahan brings very high temperatures during the day. Minimal rainfall makes it a largely dry month.
Rainfall in Isfahan in September
You can expect rain on roughly 0 days based on historical data, averaging 0.4 mm (0.02 in) for the month. Any rain that does arrive is likely to be light drizzle rather than a proper shower.
Temperature in Isfahan in September
In September, Isfahan sees very high temperatures, with highs of 34°C (93°F). Nights drop to around 16°C (61°F). Mornings and evenings are often more comfortable than the peak afternoon hours. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Isfahan in September
The days are predominantly sunny, with an estimated total of around 310 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.September in Isfahan has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iran, check out our Isfahan's climate page.
Isfahan Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
34°C (93°F)
Chance of Rain
1%
Precipitation
0.4 mm (0.02 in)
Rainy days
0 days
Humidity
26%
Sunshine
310 hours
Percentage Sunshine
Daily Historical Temperatures
32-year average (1989-2025)
Based on our historical records, temperatures in Isfahan typically drop from around 34°C (93°F) at the start of September to approximately 29°C (84°F) by the end. Nights are cool, with lows typically ranging from 12°C (54°F) to 16°C (61°F).
Average temperatures in September
Historical weather for Isfahan in September
Browse day-by-day weather records for Isfahan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Isfahan historical weather extremes in September
Our historical data for Isfahan spans 2003 to 2025, revealing these weather extremes.
- The hottest September day on record in Isfahan reached 39°C (102°F) (September 7, 2025).
- On September 28, 2004, Isfahan saw its coldest September day with temperatures maxing out at 20°C (68°F).
- The lowest overnight temperature recorded in September was 5°C (41°F) (September 21, 2017).
Best Places in Iran in September
Find out more about the weather in Iran and which places have the best travel conditions in this month. See all of Iran in September →
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What to Wear in Isfahan in September
Pack for serious heat in Isfahan in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Isfahan in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iran, check out our Isfahan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Isfahan climate overview or explore weather in Iran.
