Isfahan in September
In September, Isfahan averages 32°C (90°F) during the day and 16°C (62°F) at night, with only about 0 rainy days.
ShoulderConditions are very hot — early-morning and evening sightseeing recommended. Skies are generally dry and clear.
September in Isfahan is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How September compares to the rest of the year in Isfahan
September is in the middle of the year for warmth in Isfahan (4th of 12) and one of the driest months (12th of 12). Daytime temperature runs 8°C above the annual average (24°C). September runs 3°C cooler than August (35°C) and cools 7°C in October (25°C).
September sunrise & sunset in Isfahan
Times shown for Isfahan local time (Asia/Tehran), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Isfahan — September
Golden-hour and blue-hour windows for the 15th of September, in Isfahan's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Isfahan in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Isfahan's popularity.
Crowds & pricing — September in Isfahan
Isfahan is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — September in Isfahan
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Isfahan in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 10°C / 49°F | -3°C / 26°F | 17 mm | 4 | — |
| February | 13°C / 56°F | -1°C / 30°F | 16 mm | 4 | — |
| March | 19°C / 65°F | 4°C / 38°F | 19 mm | 5 | — |
| April | 24°C / 75°F | 9°C / 48°F | 15 mm | 5 | — |
| May | 30°C / 85°F | 14°C / 57°F | 9 mm | 3 | — |
| June | 36°C / 96°F | 20°C / 68°F | 1 mm | 0 | — |
| July | 37°C / 99°F | 22°C / 72°F | 1 mm | 0 | — |
| August | 35°C / 95°F | 20°C / 69°F | 0 mm | 0 | — |
| September | 32°C / 90°F | 16°C / 62°F | 0 mm | 0 | — |
| October | 25°C / 77°F | 10°C / 50°F | 4 mm | 1 | — |
| November | 16°C / 60°F | 2°C / 36°F | 23 mm | 4 | — |
| December | 12°C / 53°F | -1°C / 30°F | 15 mm | 3 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Isfahan in September →
Frequently asked questions
How hot is Isfahan in September?
In September, Isfahan averages a high of 32°C (90°F) and a low of 16°C (62°F) — generally hot.
Does it rain a lot in Isfahan in September?
September is generally dry in Isfahan, with about 0 rainy days on average.
Is September a good time to visit Isfahan?
September is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Isfahan in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full September packing list for Isfahan for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.