Iran weather in September - temperature, rain and is it a good time to visit?

September is one of the best months for a holiday in Iran.
Daytime
32°
Night
17°
☀️ Day length
12 h 23 min
Chance of rain
8%
Thunder days
5%
Humid days
11%
WEATHER THROUGH THE YEARIran - September vs the year11°-1°13°17°23°10°29°15°34°20°36°22°35°21°32°17°25°11°16°12°CHANCE OF RAIN (%)18232928248748162519JanFebMarAprMayJunJulAugSepOctNovDecWARMESTJul (36°)COLDESTJan (11°)DRIESTAug (4%)WETTESTMar (29%)world-prices.com · 2026-07-08 · ★ best months
In September, Iran averages about 32° during the day and 17° at night. It's usually fairly dry, with only about a 8% chance of rain.

Iran weather all year - average temperatures and rain

MonthDayNightChance of rain
January 11℃-1℃18%
February 13℃1℃23%
March ★ 17℃5℃29%
April ★ 23℃10℃28%
May ★ 29℃15℃24%
June 34℃20℃8%
July 36℃22℃7%
August 35℃21℃4%
September 32℃17℃8%
October ★ 25℃11℃16%
November ★ 16℃4℃25%
December 12℃0℃19%
★ - months most often recommended for travel

Where is it warmest in Iran in September? Weather by city

PlaceDayNightChance of rain
Qom 35℃20℃1%
Shiraz 34℃15℃1%
Tehran 32℃21℃5%
Kerman 32℃12℃1%
Karaj 32℃21℃5%
Esfahan 32℃13℃1%
Mashhad 31℃15℃4%
Tabriz 29℃15℃14%
Rasht 28℃20℃40%
Travelling soon? Check the live 14-day weather forecast for Iran.

Iran weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember