Qaşr-e Shīrīn in Fall
In fall (September, October and November), Qaşr-e Shīrīn sees average daytime highs around 32°C and overnight lows near 17°C, with 82 mm of rain 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 42°C in early September to 20°C by late November. The sky is clear or mostly clear about 77% of the time across fall, and the air most often feels dry.
Fall is Qaşr-e Shīrīn's 3rd-best season to visit on our travel score. For the whole year in context, see Qaşr-e Shīrīn's year-round climate.
- Avg daytime high
- 32°C
- 2nd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 82 mm
- 8 wet days
- Avg wind
- 8 km/h
- Travel score
- 4.4
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Qaşr-e Shīrīn in Fall
Over the season highs ease from about 42°C in early September to 20°C by late November.
A typical fall day in Qaşr-e Shīrīn reaches about 32°C and drops to 17°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Qaşr-e Shīrīn
Once humidity and wind are folded in, fall brings about 48 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Qaşr-e Shīrīn 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 5° | 89 | 9.2 | 10 | 4.8 |
| Feb | 17° / 6° | 71 | 8.6 | 10.7 | 5.7 |
| Mar | 22° / 10° | 72 | 7.6 | 11.7 | 7.3 |
| Apr | 28° / 15° | 45 | 5.7 | 12.8 | 6.9 |
| May | 35° / 20° | 11 | 2.1 | 13.8 | 3.2 |
| Jun | 41° / 25° | 0 | 0.1 | 14.3 | 0.1 |
| Jul | 44° / 28° | 0 | 0.1 | 14.1 | 0.0 |
| Aug | 44° / 27° | 0 | 0 | 13.3 | 0.0 |
| Sep | 40° / 23° | 0 | 0.2 | 12.2 | 0.7 |
| Oct | 32° / 18° | 22 | 2.4 | 11.1 | 4.8 |
| Nov | 23° / 11° | 59 | 5.8 | 10.2 | 7.7 |
| Dec | 17° / 7° | 81 | 7.9 | 9.7 | 5.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 77% of the time across fall.
Chance of precipitation in Fall
Qaşr-e Shīrīn gets around 82 mm of rain over 8 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 8 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 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.
Hazard calendar for Qaşr-e Shīrīn
None of Qaşr-e Shīrīn's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Qaşr-e Shīrīn sees seasonal dust haze (April–May), heaviest in May.
Is fall a good time to visit Qaşr-e Shīrīn?
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 Qaşr-e Shīrīn for sightseeing.
What to pack for Qaşr-e Shīrīn in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Qaşr-e Shīrīn sees daytime highs around 32°C and nights near 17°C. Pack light clothes and sun protection. About 8 days see rain.
UV index in Qaşr-e Shīrīn in Fall
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 Qaşr-e Shīrīn peaks around June 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 15 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 3 | 4 | 6 | 9 | 10 | 7 | 10 | 7 | 5 | 4 | 3 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | High | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 9 | Very high |
| Jun | 10 | Very high |
| Jul | 7 | High |
| Aug | 10 | Very high |
| Sep | 7 | High |
| Oct | 5 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Qaşr-e Shīrīn 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 Qaşr-e Shīrīn is worst in May — around 43 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 35 | 41 | 41 | 43 | 39 | 36 | 35 | 34 | 35 | 31 | 31 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 35 | Moderate |
| Mar | 41 | Poor |
| Apr | 41 | Poor |
| May | 43 | Poor |
| Jun | 39 | Poor |
| Jul | 36 | Poor |
| Aug | 35 | Poor |
| Sep | 34 | Moderate |
| Oct | 35 | Poor |
| Nov | 31 | Moderate |
| Dec | 31 | Moderate |
Where is Qaşr-e Shīrīn?
Qaşr-e Shīrīn sits at 34.5°N, 45.6°E, 363 m above sea level, in Iran. The nearest listed city is Khānaqīn, 25 km away.
Topography around Qaşr-e Shīrīn
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Qaşr-e Shīrīn.
Within 3 km, the terrain around Qaşr-e Shīrīn has only modest variations in elevation — a maximum elevation change of 123 m around an average of 372 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 745 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,549 m.
The land around Qaşr-e Shīrīn is covered by grassland (38%) and bare terrain (28%) within 3 km, grassland (59%) and cropland (23%) within 16 km, and grassland (56%) and bare terrain (21%) 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 Qaşr-e Shīrīn (34.5156°, 45.5791°, elevation 363 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.