Nahāvand in Fall
In fall (September, October and November), Nahāvand sees average daytime highs around 22°C and overnight lows near 8°C, with 84 mm of precipitation over about 13 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 32°C in early September to 10°C by late November. The sky is clear or mostly clear about 70% of the time across fall, and the air most often feels dry.
Fall is Nahāvand's best season of the year to visit on our travel score. For the whole year in context, see Nahāvand's year-round climate.
- Avg daytime high
- 22°C
- 2nd-warmest season
- Avg overnight low
- 8°C
- Precipitation
- 84 mm
- 13 wet days
- Avg wind
- 6 km/h
- Travel score
- 6.5
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Nahāvand in Fall
Over the season highs ease from about 32°C in early September to 10°C by late November.
A typical fall day in Nahāvand reaches about 22°C and drops to 8°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Nahāvand
Once humidity and wind are folded in, fall brings about 2 days that feel above 32°C and 13 that feel at or below 0°C.
Nahāvand sees both extremes in fall: hot, sticky afternoons and freezing nights both show up.
Nahāvand 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 4° / -6° | 64 | 9.8 | 8.1 | 10 | 0.0 |
| Feb | 6° / -4° | 67 | 10 | 7.6 | 10.7 | 0.6 |
| Mar | 11° / 1° | 91 | 11.3 | 5.2 | 11.7 | 2.9 |
| Apr | 17° / 6° | 72 | 11.3 | 0.6 | 12.8 | 5.4 |
| May | 23° / 11° | 31 | 7.3 | 0 | 13.8 | 7.5 |
| Jun | 30° / 16° | 3 | 0.9 | 0 | 14.2 | 6.5 |
| Jul | 34° / 19° | 1 | 0.1 | 0 | 14 | 3.8 |
| Aug | 34° / 18° | 1 | 0.2 | 0 | 13.3 | 4.0 |
| Sep | 29° / 14° | 1 | 0.2 | 0 | 12.2 | 7.3 |
| Oct | 22° / 8° | 25 | 4.4 | 0 | 11.1 | 8.1 |
| Nov | 13° / 2° | 59 | 8.1 | 1.2 | 10.2 | 4.0 |
| Dec | 7° / -3° | 62 | 7.9 | 5.6 | 9.8 | 1.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 70% of the time across fall.
Chance of precipitation in Fall
Nahāvand gets around 84 mm of rain and snow over 13 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 9 h 54 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.8 kWh/m².
Is fall a good time to visit Nahāvand?
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.
fall is a reasonable time to visit Nahāvand for sightseeing.
What to pack for Nahāvand in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Nahāvand sees daytime highs around 22°C and nights near 8°C. Pack light clothes and sun protection. Worth having: a warm layer and rain gear. About 13 days see rain.
UV index in Nahāvand in Fall
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 Nahāvand 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 — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 6 | 6 | 7 | 10 | 11 | 11 | 11 | 9 | 7 | 4 | 4 |
| Level | Moderate | High | High | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 6 | High |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 4 | Moderate |
Air quality in Nahāvand in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Nahāvand is worst in April — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Seasonal pattern from CAMS reanalysis, scaled to Nahāvand's WHO annual average of 19.5 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 17 | 19 | 23 | 26 | 25 | 19 | 19 | 17 | 18 | 18 | 16 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 19 | Moderate |
| Mar | 23 | Moderate |
| Apr | 26 | Moderate |
| May | 25 | Moderate |
| Jun | 19 | Moderate |
| Jul | 19 | Moderate |
| Aug | 17 | Moderate |
| Sep | 18 | Moderate |
| Oct | 18 | Moderate |
| Nov | 16 | Moderate |
| Dec | 17 | Moderate |
Where is Nahāvand?
Nahāvand sits at 34.2°N, 48.4°E, 1,673 m above sea level, in Iran. The nearest listed city is Aleshtar, 38 km away.
Topography around Nahāvand
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nahāvand.
Within 3 km, the terrain around Nahāvand has significant variations in elevation — a maximum elevation change of 374 m around an average of 1,691 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,384 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,623 m.
The land around Nahāvand is covered by artificial surfaces (27%), trees (24%) and grassland (21%) within 3 km, grassland (45%) and cropland (37%) within 16 km, and grassland (51%) and cropland (34%) within 80 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
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 Nahāvand (34.1909°, 48.3745°, elevation 1,673 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.