Khorramshahr in Fall
In fall (September, October and November), Khorramshahr sees average daytime highs around 35°C and overnight lows near 21°C, with 47 mm of rain over about 5 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 45°C in early September to 23°C by late November. The sky is clear or mostly clear about 81% of the time across fall, and the air most often feels dry.
Fall is Khorramshahr's 3rd-best season to visit on our travel score. For the whole year in context, see Khorramshahr's year-round climate.
- Avg daytime high
- 35°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 47 mm
- 5 wet days
- Avg wind
- 14 km/h
- Travel score
- 3.3
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Khorramshahr in Fall
Over the season highs ease from about 45°C in early September to 23°C by late November.
A typical fall day in Khorramshahr reaches about 35°C and drops to 21°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Khorramshahr
Once humidity and wind are folded in, fall brings about 60 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Khorramshahr weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 19° / 9° | 38 | 5.3 | 10.3 | 7.1 |
| Feb | 22° / 11° | 21 | 3.4 | 10.9 | 8.1 |
| Mar | 27° / 15° | 25 | 3.4 | 11.8 | 7.8 |
| Apr | 34° / 21° | 10 | 1.9 | 12.7 | 4.0 |
| May | 41° / 27° | 4 | 0.7 | 13.5 | 0.4 |
| Jun | 45° / 30° | 0 | 0.1 | 13.9 | 0.0 |
| Jul | 47° / 32° | 0 | 0.1 | 13.8 | 0.0 |
| Aug | 47° / 31° | 0 | 0.1 | 13.1 | 0.0 |
| Sep | 43° / 27° | 0 | 0.1 | 12.2 | 0.0 |
| Oct | 36° / 22° | 6 | 0.7 | 11.3 | 2.4 |
| Nov | 27° / 15° | 41 | 3.7 | 10.5 | 7.5 |
| Dec | 20° / 10° | 37 | 4.8 | 10.1 | 7.6 |
Cloud cover in Fall
The sky is clear or mostly clear about 81% of the time across fall.
Chance of precipitation in Fall
Khorramshahr gets around 47 mm of rain over 5 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 14 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 36 min in early September to 10 h 12 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.1 kWh/m².
Hazard calendar for Khorramshahr
None of Khorramshahr's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Khorramshahr sees seasonal dust haze (March–July), heaviest in May.
Is fall a good time to visit Khorramshahr?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Khorramshahr.
What to pack for Khorramshahr in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Khorramshahr sees daytime highs around 35°C and nights near 21°C. Pack light clothes and sun protection. About 5 days see rain.
Sea temperature near Khorramshahr in Fall
The nearest coast averages about 28°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 66 km away) is warmest in August at about 32°C and coldest in February near 16°C.
It's comfortable for a long swim from Apr 1 to Dec 9 — about 8.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 16 | 18 | 22 | 26 | 29 | 31 | 32 | 31 | 28 | 24 | 19 |
| Comfort | Cool | Cool | Cool | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 16 | Cool |
| Mar | 18 | Cool |
| Apr | 22 | Refreshing |
| May | 26 | Warm |
| Jun | 29 | Tropical |
| Jul | 31 | Tropical |
| Aug | 32 | Tropical |
| Sep | 31 | Tropical |
| Oct | 28 | Tropical |
| Nov | 24 | Refreshing |
| Dec | 19 | Cool |
UV index in Khorramshahr in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Khorramshahr peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 6 | 7 | 11 | 10 | 9 | 7 | 6 | 4 | 3 |
| Level | Moderate | Moderate | Moderate | High | High | Extreme | Extreme | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Khorramshahr in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Khorramshahr is worst in April — around 70 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 68 | 64 | 70 | 70 | 67 | 54 | 55 | 59 | 62 | 66 | 62 | 66 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 68 | Unhealthy |
| Feb | 64 | Unhealthy |
| Mar | 70 | Unhealthy |
| Apr | 70 | Unhealthy |
| May | 67 | Unhealthy |
| Jun | 54 | Poor |
| Jul | 55 | Poor |
| Aug | 59 | Unhealthy |
| Sep | 62 | Unhealthy |
| Oct | 66 | Unhealthy |
| Nov | 62 | Unhealthy |
| Dec | 66 | Unhealthy |
Where is Khorramshahr?
Khorramshahr sits at 30.4°N, 48.2°E, 4 m above sea level, in Iran. The nearest listed city is Abadan, 16 km away.
Topography around Khorramshahr
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Khorramshahr.
Within 3 km, the terrain around Khorramshahr has only modest variations in elevation — a maximum elevation change of 8 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 14 m; within 80 km, only modest variations in elevation — a maximum elevation change of 135 m.
The land around Khorramshahr is covered by artificial surfaces (49%) and bare terrain (30%) within 3 km, bare terrain (67%) within 16 km, and bare terrain (67%) within 80 km.
Iran travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 352% of US
- price level, 2025
- GDP per capita
- $3,924
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Safe drinking water
- 94%
- of population, 2024
- Homicide rate
- 2.4
- per 100k, 2014
- Road deaths
- 21.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 492
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Khorramshahr (30.4408°, 48.1843°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.