Fasā in Fall

In fall (September, October and November), Fasā sees average daytime highs around 25°C and overnight lows near 13°C, with 15 mm of rain over about 3 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 33°C in early September to 16°C by late November. The sky is clear or mostly clear about 83% of the time across fall, and the air most often feels dry.

Fall is Fasā's best season of the year to visit on our travel score. For the whole year in context, see Fasā's year-round climate.

Avg daytime high
25°C
2nd-warmest season
Avg overnight low
13°C
Rainfall
15 mm
3 wet days
Avg wind
6 km/h
Travel score
7.4
best season of the year
Months
Sep · Oct · Nov

Temperature in Fasā in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 33°C in early September to 16°C by late November.

A typical fall day in Fasā 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 Fasā

Once humidity and wind are folded in, fall brings about 12 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
12
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.

Fasā 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
Jan11° / 515.71.510.43.4
Feb14° / 455.10.4114.6
Mar17° / 475.8011.86.6
Apr23° / 12°153.2012.78.1
May30° / 17°30.9013.46.8
Jun34° / 21°00.1013.83.9
Jul36° / 24°10.3013.72.9
Aug35° / 22°20.50133.6
Sep31° / 18°00.1012.25.9
Oct26° / 13°10.3011.38.9
Nov19° / 132.2010.67.5
Dec14° / 363.20.310.25.0

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 83% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Fasā gets around 15 mm of rain over 3 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 6 km/h across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 36 min in early September to 10 h 18 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 5.5 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Fasā?

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.

7.4
Sightseeing
1st-best month of the year
6.8
Beach & pool
2nd-best month of the year

fall is one of the better times to visit Fasā for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Fasā in Fall

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

In fall, Fasā sees daytime highs around 25°C and nights near 13°C. Pack light clothes and sun protection. Worth having: a warm layer.

light clothessun protectiona warm layer

UV index in Fasā in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fasā peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighModerateJun 18UV 12Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb7Very high
Mar8Very high
Apr8Very high
May11Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec4Moderate

Air quality in Fasā 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 Fasā is worst in April — around 35 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1834 µg/m³Nov 1717 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb26Moderate
Mar30Moderate
Apr35Moderate
May32Moderate
Jun23Moderate
Jul29Moderate
Aug21Moderate
Sep22Moderate
Oct20Moderate
Nov17Moderate
Dec19Moderate
Location & terrain

Where is Fasā?

Fasā sits at 28.9°N, 53.6°E, 1,366 m above sea level, in Iran. The nearest listed city is Estahbān, 44 km away.

Topography around Fasā

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Fasā.

Within 3 km, the terrain around Fasā has only modest variations in elevation — a maximum elevation change of 81 m around an average of 1,370 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,180 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,504 m.

The land around Fasā is covered by artificial surfaces (39%), cropland (35%) and bare terrain (20%) within 3 km, bare terrain (59%) and grassland (22%) within 16 km, and bare terrain (64%) within 80 km.

3 km
81 m
16 km
1,180 m
80 km
2,504 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
Fall weather nearby: Estahbān 44 km · Ābādeh 48 km · Jahrom 49 km · Sarvestān 56 km · Neyrīz 72 km · Qīr 78 km · Dārāb 89 km · Kavār 98 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 Fasā (28.9383°, 53.6482°, elevation 1,366 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.