Isfahan
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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.

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

Isfahan Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Isfahan - and find the best time to visit.

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 records 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Isfahan 3-Day Forecast

More climate data for Isfahan

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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