Khalkhāl in Fall
In fall (September, October and November), Khalkhāl sees average daytime highs around 16°C and overnight lows near 6°C, with 177 mm of precipitation over about 30 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 25°C in early September to 6°C by late November. The sky is clear or mostly clear about 47% of the time across fall, and the air most often feels dry.
Fall is Khalkhāl's 2nd-best season to visit on our travel score. For the whole year in context, see Khalkhāl's year-round climate.
- Avg daytime high
- 16°C
- 2nd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 177 mm
- 30 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Khalkhāl in Fall
Over the season highs ease from about 25°C in early September to 6°C by late November.
A typical fall day in Khalkhāl reaches about 16°C and drops to 6°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Khalkhāl
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 21 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Khalkhāl 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 1° / -7° | 56 | 8.9 | 9.1 | 9.7 | 0.0 |
| Feb | 3° / -5° | 65 | 10.3 | 9.6 | 10.5 | 0.0 |
| Mar | 8° / -1° | 82 | 13.3 | 9.7 | 11.7 | 1.3 |
| Apr | 14° / 4° | 89 | 14.2 | 3.2 | 12.9 | 3.8 |
| May | 19° / 8° | 65 | 13.8 | 0.3 | 14 | 5.8 |
| Jun | 24° / 12° | 30 | 8.3 | 0 | 14.5 | 7.7 |
| Jul | 26° / 14° | 19 | 4.8 | 0 | 14.3 | 8.1 |
| Aug | 26° / 14° | 16 | 5 | 0 | 13.4 | 8.0 |
| Sep | 23° / 11° | 35 | 9 | 0 | 12.3 | 7.3 |
| Oct | 17° / 6° | 64 | 10.2 | 1.3 | 11 | 5.6 |
| Nov | 9° / 0° | 78 | 10.4 | 6 | 10 | 1.7 |
| Dec | 3° / -5° | 56 | 8.8 | 8.4 | 9.4 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 47% of the time across fall.
Chance of precipitation in Fall
Khalkhāl gets around 177 mm of rain and snow over 30 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 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 36 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 4.0 kWh/m².
Is fall a good time to visit Khalkhāl?
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 reasonable time to visit Khalkhāl for sightseeing.
What to pack for Khalkhāl in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Khalkhāl sees daytime highs around 16°C and nights near 6°C. Pack a warm layer. Worth having: light clothes, rain gear and sun protection. About 30 days see rain.
Sea temperature near Khalkhāl in Fall
The nearest coast averages about 22°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 52 km away) is warmest in August at about 28°C and coldest in February near 10°C.
It's comfortable for a long swim from May 22 to Nov 4 — about 5.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 10 | 10 | 13 | 19 | 24 | 27 | 28 | 26 | 23 | 18 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Warm | Warm | Warm | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 13 | Bracing |
| May | 19 | Cool |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 28 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 18 | Cool |
| Dec | 14 | Bracing |
UV index in Khalkhāl in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Khalkhāl peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 | 7 | 8 | 10 | 11 | 10 | 7 | 5 | 3 | 3 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Khalkhāl 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 Khalkhāl is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 15 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 19 | 25 | 25 | 23 | 18 | 15 | 18 | 20 | 18 | 17 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 19 | Moderate |
| Mar | 25 | Moderate |
| Apr | 25 | Moderate |
| May | 23 | Moderate |
| Jun | 18 | Moderate |
| Jul | 15 | Moderate |
| Aug | 18 | Moderate |
| Sep | 20 | Moderate |
| Oct | 18 | Moderate |
| Nov | 17 | Moderate |
| Dec | 17 | Moderate |
Where is Khalkhāl?
Khalkhāl sits at 37.6°N, 48.5°E, 1,795 m above sea level, in Iran. The nearest listed city is Hashtpar, 39 km away.
Topography around Khalkhāl
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Khalkhāl.
Within 3 km, the terrain around Khalkhāl has significant variations in elevation — a maximum elevation change of 278 m around an average of 1,862 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,079 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,325 m.
The land around Khalkhāl is covered by grassland (46%), cropland (28%) and artificial surfaces (20%) within 3 km, grassland (75%) within 16 km, and grassland (47%) and cropland (22%) 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 Khalkhāl (37.6184°, 48.5293°, elevation 1,795 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.