Kish Island weather in September
September in Kish Island: sweltering, dry, with poor air quality — fine if you can take 44°C afternoons.
Updated September 2026 · climate normals from ERA5 reanalysis
#10 of 12 months in Kish Island · #382 of 1413 destinations to visit in September · comfort 87/100 (tier A)
- Days
- 37°C
- Nights
- 30°C
- Wet days
- 0
- Sun
- 11.1 h
- Humidity
- 62%
- Daylight
- 12 h
Traveller notes on Kish Island in September
Forum posters describe Kish Island's summer as genuinely the worst time to visit, with temperatures exceeding 40C and high humidity, some visitors specifically citing 110-115F conditions made worse by having to wear head coverings and coats. A local guide specifically advises against a September visit if it can be avoided, though notes conditions do moderate somewhat by the end of the month for anyone with no other option and reasonable heat tolerance. Posters consistently rate March-May and October-November as the genuinely comfortable windows, implying September sits at the tail end of the punishing summer stretch rather than truly in the shoulder season yet. Posters generally rate September as still hot and demanding for Kish Island, improving only toward the very end of the month, with October offering a clearly better-regarded alternative just weeks away.
Other months in Kish Island
Forum posters are direct that summer is the worst possible time to visit Kish Island, with temperatures reported well above 40C and stifling humidity, and consistently steer visitors instead toward the March-through-May and October-November windows as the genuinely pleasant times to go. Posters describe spring conditions warming steadily through the season, with April and May running noticeably hotter than March. Posters consistently recommend the warm, calm waters of the Persian Gulf here for swimming and water sports even outside peak summer heat. Posters generally rate March specifically as a comfortable entry point into that recommended spring window, before the fuller heat of April and May sets in.
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Kish Island climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kish Island 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.
Quietschool holidays in 3 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Kish Island'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 weatherKish Island's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Kish Island in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Gulf heat and humidity
20 May – 30 Sep · usuallyExtreme heatSticky rather than dry, and the sea gives no relief because it is as warm as the air. The island empties of Iranian holidaymakers and the prices follow them down.
Nearby, and something's on
Within 300 km of Kish Island — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Kish Island?
Kish Island in September — FAQ
- Is September a good time to visit Kish Island?
- September in Kish Island: sweltering, dry, with poor air quality — fine if you can take 44°C afternoons. It ranks #10 of 12 months for Kish Island on SeasonMap's comfort score (87/100).
- What is the weather like in Kish Island in September?
- In September, Kish Island averages a daily high of 37.2°C and a low of 29.5°C, with about 0.3 mm of rain over roughly 0.1 rainy days.
- What is the air quality in Kish Island in September?
- Kish Island has a mean US Air Quality Index of about 128 in September.
Within 300 km: Ras Al Khaimah's Sea warm enough to swim around 1 Apr – 30 Nov.