Bījār in Fall

In fall (September, October and November), Bījār sees average daytime highs around 20°C and overnight lows near 6°C, with 68 mm of precipitation over about 12 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 31°C in early September to 9°C by late November. The sky is clear or mostly clear about 69% of the time across fall, and the air most often feels dry.

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

Avg daytime high
20°C
2nd-warmest season
Avg overnight low
6°C
Precipitation
68 mm
12 wet days
Avg wind
10 km/h
Travel score
6.3
best season of the year
Months
Sep · Oct · Nov

Temperature in Bījār in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 31°C in early September to 9°C by late November.

A typical fall day in Bījār reaches about 20°C and drops to 6°C overnight. The warmest of the three months is September, the coolest November.

-10°10°20°30°SepOctNov

How fall really feels in Bījār

Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 24 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
24
wind chill below the day's low

The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.

Bījār 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 / -7°377.67.39.80.0
Feb / -6°4086.510.60.2
Mar11° / -1°529.74.211.72.7
Apr17° / 5310.60.812.95.4
May23° / 348.2013.97.3
Jun30° / 14°51.3014.46.6
Jul34° / 17°20.6014.24.1
Aug33° / 16°10.3013.44.4
Sep28° / 12°20.6012.27.8
Oct21° / 244.6011.17.8
Nov12° / 427.21.710.13.4
Dec / -4°367.15.49.60.4

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Bījār gets around 68 mm of rain and snow over 12 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%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 10 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 Bījār?

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.

6.3
Sightseeing
1st-best month of the year
4.5
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Bījār for sightseeing.

What to pack for Bījār in Fall

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

In fall, Bījār sees daytime highs around 20°C and nights near 6°C. Pack light clothes, a warm layer and sun protection. About 12 days see rain.

light clothesa warm layersun protection

UV index in Bījār 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 Bījār peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 17UV 11Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Bījār 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 Bījār is worst in May — around 32 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1032 µg/m³Dec 1917 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar28Moderate
Apr31Moderate
May32Moderate
Jun25Moderate
Jul23Moderate
Aug21Moderate
Sep22Moderate
Oct23Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Bījār?

Bījār sits at 35.9°N, 47.6°E, 1,929 m above sea level, in Iran. The nearest listed city is Dīvāndarreh, 53 km away.

ZanjanSonqorKabūdarāhang

Topography around Bījār

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

Within 3 km, the terrain around Bījār has significant variations in elevation — a maximum elevation change of 520 m around an average of 2,009 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 929 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,723 m.

The land around Bījār is covered by grassland (50%) and cropland (20%) within 3 km, cropland (69%) and grassland (26%) within 16 km, and cropland (63%) and grassland (31%) within 80 km.

3 km
520 m
16 km
929 m
80 km
1,723 m
treesgrasslandcroplandartificial surfacesbare terrain
Fall weather nearby: Dīvāndarreh 53 km · Takāb 74 km · Qorveh 80 km · Sanandaj 82 km · Qīdar 93 km · Zanjan 120 km · Sonqor 121 km · Kabūdarāhang 125 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 Bījār (35.8668°, 47.6051°, elevation 1,929 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.