Zanjan in Fall

In fall (September, October and November), Zanjan sees average daytime highs around 18°C and overnight lows near 6°C, with 98 mm of precipitation over about 18 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 28°C in early September to 7°C by late November. The sky is clear or mostly clear about 59% of the time across fall, and the air most often feels dry.

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

Avg daytime high
18°C
2nd-warmest season
Avg overnight low
6°C
Precipitation
98 mm
18 wet days
Avg wind
8 km/h
Travel score
6.0
2nd-best season
Months
Sep · Oct · Nov

Temperature in Zanjan in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 28°C in early September to 7°C by late November.

A typical fall day in Zanjan reaches about 18°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 Zanjan

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.

Zanjan 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°438.98.59.80.0
Feb / -6°539.98.110.60.2
Mar10° / -1°6812.76.811.72.2
Apr16° / 7613.31.512.94.5
May21° / 5812.50.113.96.4
Jun26° / 12°174.7014.58.0
Jul29° / 14°102.8014.37.4
Aug29° / 14°62.1013.47.2
Sep25° / 11°82.2012.28.6
Oct19° / 356.60.411.16.8
Nov10° / 558.83.6102.5
Dec / -4°407.86.59.50.1

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitationSnow

Zanjan gets around 98 mm of rain and snow over 18 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 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 42 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 4.1 kWh/m².

0246SepOctNov
Planning a trip in fall

Is fall a good time to visit Zanjan?

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.

6.0
Sightseeing
2nd-best month of the year
3.6
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Zanjan for sightseeing.

What to pack for Zanjan in Fall

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

In fall, Zanjan sees daytime highs around 18°C and nights near 6°C. Pack a warm layer. Worth having: light clothes, rain gear and sun protection. About 18 days see rain.

a warm layerlight clothesrain gearsun protection

UV index in Zanjan 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 Zanjan peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 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 18UV 11Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct5High
Nov3Moderate
Dec4Moderate

Air quality in Zanjan 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 Zanjan is worst in April — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Zanjan's WHO annual average of 17.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1724 µg/m³Jul 2214 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar23Moderate
Apr25Moderate
May23Moderate
Jun17Moderate
Jul13Moderate
Aug14Moderate
Sep15Moderate
Oct16Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Zanjan?

Zanjan sits at 36.7°N, 48.5°E, 1,666 m above sea level, in Iran. The nearest listed city is Qīdar, 63 km away.

Şowme‘eh Sarā

Topography around Zanjan

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

Within 3 km, the terrain around Zanjan has only modest variations in elevation — a maximum elevation change of 175 m around an average of 1,672 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,101 m.

The land around Zanjan is covered by artificial surfaces (73%) within 3 km, grassland (51%) and cropland (30%) within 16 km, and grassland (53%) and cropland (36%) within 80 km.

3 km
175 m
16 km
1,155 m
80 km
3,101 m
treesgrasslandcroplandartificial surfacesbare terrain
Fall weather nearby: Qīdar 63 km · Manjīl 81 km · Khorramdarreh 81 km · Pādegān-e Manjīl 82 km · Abhar 87 km · Fūman 95 km · Māsāl 95 km · Şowme‘eh Sarā 101 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 Zanjan (36.6764°, 48.4963°, elevation 1,666 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.