Īstgāh-e Rāh Āhan-e Garmsār in Fall

In fall (September, October and November), Īstgāh-e Rāh Āhan-e Garmsār sees average daytime highs around 25°C and overnight lows near 13°C, with 31 mm of rain over about 7 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 35°C in early September to 13°C by late November. The sky is clear or mostly clear about 79% of the time across fall, and the air most often feels dry.

Fall is Īstgāh-e Rāh Āhan-e Garmsār's 2nd-best season to visit on our travel score. For the whole year in context, see Īstgāh-e Rāh Āhan-e Garmsār's year-round climate.

Avg daytime high
25°C
2nd-warmest season
Avg overnight low
13°C
Rainfall
31 mm
7 wet days
Avg wind
8 km/h
Travel score
6.6
2nd-best season
Months
Sep · Oct · Nov

Temperature in Īstgāh-e Rāh Āhan-e Garmsār in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 35°C in early September to 13°C by late November.

A typical fall day in Īstgāh-e Rāh Āhan-e Garmsār reaches about 25°C and drops to 13°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°40°SepOctNov

How fall really feels in Īstgāh-e Rāh Āhan-e Garmsār

Once humidity and wind are folded in, fall brings about 19 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
19
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Īstgāh-e Rāh Āhan-e Garmsār 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 214.81.29.92.5
Feb12° / 224.9110.73.9
Mar18° / 295.80.411.76.5
Apr24° / 13°183.7012.98.0
May30° / 19°71.8013.86.2
Jun36° / 24°10.3014.32.8
Jul38° / 27°10.2014.11.2
Aug37° / 25°10.2013.32.2
Sep33° / 20°10.3012.25.2
Oct26° / 14°71.6011.18.6
Nov17° / 224.60.210.16.1
Dec11° / 225.30.39.73.1

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Īstgāh-e Rāh Āhan-e Garmsār gets around 31 mm of rain over 7 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 8 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 48 min in early September to 9 h 48 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.7 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Īstgāh-e Rāh Āhan-e Garmsār?

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.

6.6
Sightseeing
2nd-best month of the year
6.0
Beach & pool
1st-best month of the year

fall is a reasonable time to visit Īstgāh-e Rāh Āhan-e Garmsār for sightseeing.

What to pack for Īstgāh-e Rāh Āhan-e Garmsār in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Īstgāh-e Rāh Āhan-e Garmsār sees daytime highs around 25°C and nights near 13°C. Pack light clothes and sun protection. Worth having: a warm layer. About 7 days see rain.

light clothessun protectiona warm layer

UV index in Īstgāh-e Rāh Āhan-e Garmsār in Fall

LowModerateHighVery highExtreme

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 Īstgāh-e Rāh Āhan-e Garmsār peaks around July 18 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highVery highHighModerateJul 18UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar4Moderate
Apr7Very high
May9Very high
Jun9Very high
Jul10Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Īstgāh-e Rāh Āhan-e Garmsār in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Īstgāh-e Rāh Āhan-e Garmsār is worst in December — around 73 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (July, 28 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 2072 µg/m³Jul 2228 µg/m³
PM2.5 (µg/m³)Level
Jan69Unhealthy
Feb64Unhealthy
Mar56Unhealthy
Apr56Unhealthy
May47Poor
Jun32Moderate
Jul28Moderate
Aug29Moderate
Sep39Poor
Oct49Poor
Nov62Unhealthy
Dec73Unhealthy
Location & terrain

Where is Īstgāh-e Rāh Āhan-e Garmsār?

Īstgāh-e Rāh Āhan-e Garmsār sits at 35.2°N, 52.3°E, 848 m above sea level, in Iran. The nearest listed city is Garmsār, 3.0 km away.

Topography around Īstgāh-e Rāh Āhan-e Garmsār

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Īstgāh-e Rāh Āhan-e Garmsār.

Within 3 km, the terrain around Īstgāh-e Rāh Āhan-e Garmsār has only modest variations in elevation — a maximum elevation change of 110 m around an average of 851 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,431 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,171 m.

The land around Īstgāh-e Rāh Āhan-e Garmsār is covered by bare terrain (62%) and cropland (21%) within 3 km, bare terrain (74%) and cropland (23%) within 16 km, and bare terrain (68%) and grassland (21%) within 80 km.

3 km
110 m
16 km
1,431 m
80 km
4,171 m
treesgrasslandcroplandartificial surfacesbare terrain
Fall weather nearby: Garmsār 3.0 km · Kahrīzak 44 km · Pīshvā 54 km · Damāvand 58 km · Mojtame‘-e Maskūnī-ye Nāmjū 59 km · Varāmīn 61 km · Pākdasht 63 km · Rūdehen 66 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
Muslim 99%Christian 1%Baha'i 0%agnostic 0%

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 Īstgāh-e Rāh Āhan-e Garmsār (35.2345°, 52.3094°, elevation 848 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.