Shiraz (Persepolis) weather in September

September in Shiraz: hot, dry — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Shiraz🇮🇷 Iran · Iran & Iraq · City78
  1. 69Jan
  2. 74Feb
  3. 81Mar
  4. 91Apr
  5. 87May
  6. 60Jun
  7. 49Jul
  8. 58Aug
  9. 78Sep
  10. 90Oct
  11. 83Nov
  12. 72Dec

#6 of 12 months in Shiraz · #778 of 1413 destinations to visit in September · comfort 78/100 (tier B)

Days
35°C
Nights
17°C
Wet days
0
Sun
11 h
Humidity
23%
Daylight
12 h
Shiraz, Iran
Photo: muaz semih güven · Pexels

Traveller notes on Shiraz in September

Other months in Shiraz

Forum posters consistently rate October as an ideal time to visit Shiraz, describing conditions as mild - not cold, and definitely not warm - with posters specifically preferring October over November since it runs cooler and more comfortable overall. Posters describe autumn arriving in September still warm and sunny, with conditions mellowing further as October progresses. Posters also flag October's timing after school holidays end as a genuine bonus, meaning noticeably fewer domestic crowds than the summer and early-autumn peak. Posters generally rate October as one of the best, most balanced months to visit Shiraz, combining pleasant temperatures with lighter crowds.
Tripadvisor community · October · 1 month ago · Read more on Tripadvisor ↗
Spring and autumn are the forum's seasons for Shiraz, and April is the pick of them: near 24°C by day, 12 at night, sunny and warm enough for cotton clothes with a lightweight showerproof layer for the evenings. April is also orange-blossom season here, with the rose-water distillation ceremonies falling around the same time. The booking advice is precise: Nowruz, the Iranian New Year around 21 March, fills hotels solid from about 10 March to 5 April. Mid-April, once the holiday is over, is the sweet spot — pleasant weather, rooms available, no queues at the landmarks.
Tripadvisor community · April · 1 month ago · Read more on Tripadvisor ↗

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Shiraz climate normals — September

Daytime high35°C / 94°F🥵 hot
Nighttime low17°C / 62°F
Feels like (high)33°C / 91°F
Rainfall0 mm / 0 in☀️ dry
Rainy days0 days
Humidity23%🌵 dry
Dew point0°C / 32°F
Sunshine11 h/day
Daylight12.3 h
Wind11 km/h / 7 mph
Air quality (US AQI)80🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Shiraz in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Shiraz's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherShiraz's best weather comes in April, May and October — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Shiraz in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    The dry summer

    10 Jun – 10 Sep · usuallyExtreme heat

    Dry heat at altitude, which means the shaded gardens work and the middle of the day does not. Persepolis in particular has no shade at all; go at opening or at the end of the day.

What's on around the world in September →

Where is Shiraz?

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Shiraz in September — FAQ

Is September a good time to visit Shiraz?
September in Shiraz: hot, dry — a great time to visit. It ranks #6 of 12 months for Shiraz on SeasonMap's comfort score (78/100).
What is the weather like in Shiraz in September?
In September, Shiraz averages a daily high of 34.6°C and a low of 16.9°C, with about 0.2 mm of rain over roughly 0.1 rainy days.
What is the air quality in Shiraz in September?
Shiraz has a mean US Air Quality Index of about 80 in September.