Bonāb in Fall

In fall (September, October and November), Bonāb sees average daytime highs around 22°C and overnight lows near 9°C, with 40 mm of precipitation over about 8 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 11°C by late November. The sky is clear or mostly clear about 73% of the time across fall, and the air most often feels dry.

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

Avg daytime high
22°C
2nd-warmest season
Avg overnight low
9°C
Precipitation
40 mm
8 wet days
Avg wind
9 km/h
Travel score
6.7
best season of the year
Months
Sep · Oct · Nov

Temperature in Bonāb in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 33°C in early September to 11°C by late November.

A typical fall day in Bonāb reaches about 22°C and drops to 9°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°40°SepOctNov

How fall really feels in Bonāb

Once humidity and wind are folded in, fall brings about 6 days that feel above 32°C and 11 that feel at or below 0°C.

Days feeling ≥ 32°C
6
heat index over the day's high
Days feeling ≤ C
11
wind chill below the day's low

Bonāb sees both extremes in fall: hot, sticky afternoons and freezing nights both show up.

Bonāb 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
Jan / -3°255.93.19.70.4
Feb / -1°306.52.610.61.6
Mar14° / 377.90.911.74.3
Apr20° / 377.20.112.96.8
May26° / 13°215.90147.6
Jun31° / 18°41.2014.55.7
Jul35° / 21°10.5014.33.8
Aug35° / 20°10.4013.43.8
Sep30° / 15°10.3012.37.0
Oct23° / 10°112.50118.4
Nov14° / 285.30.5104.7
Dec / -1°2761.79.51.5

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Bonāb gets around 40 mm of rain and snow over 8 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 9 km/h across fall.

051015SepOctNov

Sunrise & sunset in Fall

DaylightNight

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.

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 4.5 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Bonāb?

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.

6.7
Sightseeing
1st-best month of the year
5.2
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Bonāb for sightseeing.

What to pack for Bonāb in Fall

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

In fall, Bonāb sees daytime highs around 22°C and nights near 9°C. Pack light clothes. Worth having: a warm layer and sun protection. About 8 days see rain.

light clothesa warm layersun protection

UV index in Bonāb in Fall

LowModerateHighVery highExtreme

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 Bonāb peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 13UV 10Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Bonāb 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 Bonāb is worst in April — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2334 µg/m³Aug 1622 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb30Moderate
Mar32Moderate
Apr34Moderate
May34Moderate
Jun26Moderate
Jul24Moderate
Aug22Moderate
Sep24Moderate
Oct27Moderate
Nov25Moderate
Dec27Moderate
Location & terrain

Where is Bonāb?

Bonāb sits at 37.3°N, 46.1°E, 1,288 m above sea level, in Iran. The nearest listed city is Marāgheh, 17 km away.

Topography around Bonāb

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

Within 3 km, the terrain around Bonāb has only modest variations in elevation — a maximum elevation change of 18 m around an average of 1,290 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 804 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,422 m.

The land around Bonāb is covered by cropland (38%), artificial surfaces (36%) and grassland (23%) within 3 km, grassland (34%), cropland (33%) and bare terrain (25%) within 16 km, and grassland (44%) and cropland (28%) within 80 km.

3 km
18 m
16 km
804 m
80 km
2,422 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Fall weather nearby: Marāgheh 17 km · Ajab Shīr 21 km · Malekān 22 km · Mīāndoāb 42 km · Āz̄arshahr 47 km · Oskū 64 km · Īlkhchī 67 km · Khosrowshahr 68 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 Bonāb (37.3404°, 46.0561°, elevation 1,288 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.