Fīrūzkūh in Fall
In fall (September, October and November), Fīrūzkūh sees average daytime highs around 14°C and overnight lows near 5°C, with 104 mm of precipitation over about 25 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 22°C in early September to 3°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 Fīrūzkūh's 2nd-best season to visit on our travel score. For the whole year in context, see Fīrūzkūh's year-round climate.
- Avg daytime high
- 14°C
- 2nd-warmest season
- Avg overnight low
- 5°C
- Precipitation
- 104 mm
- 25 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Fīrūzkūh in Fall
Over the season highs ease from about 22°C in early September to 3°C by late November.
A typical fall day in Fīrūzkūh reaches about 14°C and drops to 5°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Fīrūzkūh
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.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Fīrūzkūh 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 | -2° / -8° | 27 | 6.5 | 7.4 | 9.9 | 0.0 |
| Feb | -1° / -7° | 36 | 7.3 | 7.9 | 10.6 | 0.0 |
| Mar | 4° / -3° | 53 | 9.4 | 7.8 | 11.7 | 0.2 |
| Apr | 11° / 3° | 63 | 11.9 | 3.4 | 12.9 | 2.5 |
| May | 17° / 8° | 63 | 13.7 | 0.5 | 13.9 | 5.0 |
| Jun | 22° / 12° | 43 | 10.7 | 0 | 14.4 | 6.9 |
| Jul | 25° / 15° | 38 | 8.8 | 0 | 14.2 | 7.7 |
| Aug | 24° / 15° | 33 | 7.7 | 0 | 13.4 | 8.0 |
| Sep | 21° / 11° | 32 | 8.2 | 0 | 12.2 | 7.3 |
| Oct | 14° / 6° | 36 | 8.7 | 1.2 | 11.1 | 4.7 |
| Nov | 7° / -1° | 35 | 7.6 | 5.9 | 10.1 | 0.9 |
| Dec | 1° / -6° | 27 | 6.4 | 6.7 | 9.6 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 59% of the time across fall.
Chance of precipitation in Fall
Fīrūzkūh gets around 104 mm of rain and snow over 25 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 5 km/h across fall.
Sunrise & sunset in Fall
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.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.2 kWh/m².
Is fall a good time to visit Fīrūzkūh?
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 Fīrūzkūh for sightseeing.
What to pack for Fīrūzkūh in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Fīrūzkūh sees daytime highs around 14°C and nights near 5°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 25 days see rain.
UV index in Fīrūzkūh 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 Fīrūzkūh peaks around July 19 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 5 | 8 | 10 | 10 | 11 | 11 | 8 | 6 | 4 | 3 |
| Level | Moderate | High | Moderate | Very high | Very high | Very high | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | High |
| Mar | 5 | Moderate |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Fīrūzkūh 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 Fīrūzkūh is worst in December — around 97 µg/m³ PM2.5 (unhealthy), about 3.0× the cleanest month (July, 33 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 95 | 88 | 76 | 68 | 57 | 42 | 33 | 38 | 51 | 67 | 83 | 97 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Poor | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 95 | Unhealthy |
| Feb | 88 | Unhealthy |
| Mar | 76 | Unhealthy |
| Apr | 68 | Unhealthy |
| May | 57 | Unhealthy |
| Jun | 42 | Poor |
| Jul | 33 | Moderate |
| Aug | 38 | Poor |
| Sep | 51 | Poor |
| Oct | 67 | Unhealthy |
| Nov | 83 | Unhealthy |
| Dec | 97 | Unhealthy |
Where is Fīrūzkūh?
Fīrūzkūh sits at 35.8°N, 52.8°E, 1,943 m above sea level, in Iran. The nearest listed city is Zīr Āb, 50 km away.
Topography around Fīrūzkūh
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Fīrūzkūh.
Within 3 km, the terrain around Fīrūzkūh has significant variations in elevation — a maximum elevation change of 555 m around an average of 2,025 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,550 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,587 m.
The land around Fīrūzkūh is covered by grassland (47%) and bare terrain (21%) within 3 km, grassland (67%) and bare terrain (20%) within 16 km, and grassland (37%), bare terrain (37%) and trees (20%) 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 Fīrūzkūh (35.7567°, 52.7706°, elevation 1,943 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.