SeasonMapKish Island weather in September
Iran
September in Kish Island: sweltering, dry, with poor air quality — fine if you can take 44°C afternoons.
#10 of 12 months in Kish Island · #376 of 1383 destinations to visit in September · comfort 87/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kish Island in September
No notes yet. Open Kish Island on the map to add the first one.
Kish Island climate normals — September
| Daytime high | 37°C / 99°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 30°C / 85°F | |
| Feels like (high) | 44°C / 111°F | |
| Sea temperature | 34°C / 93°F | ♨️ bath-warm |
| Rainfall | 0 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 62% | 💧 humid |
| Dew point | 27°C / 80°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 12.3 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 128 | 😷 poor |
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.
Other months in Kish Island
Warmer or cooler than Kish Island in September
Similar destinations in Middle East — September
Within 300 km: Ras Al Khaimah's Sea warm enough to swim around 1 Apr – 30 Nov, and Dubai's Outdoor season closed around 15 May – 30 Sep.