Qal‘at Bīshah in Fall
In fall (September, October and November), Qal‘at Bīshah sees average daytime highs around 33°C and overnight lows near 18°C, with 3 mm of rain over about 1 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 39°C in early September to 28°C by late November. The sky is clear or mostly clear about 86% of the time across fall, and the air most often feels dry.
Fall is Qal‘at Bīshah's 2nd-best season to visit on our travel score. For the whole year in context, see Qal‘at Bīshah's year-round climate.
- Avg daytime high
- 33°C
- 3rd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 3 mm
- 1 wet days
- Avg wind
- 13 km/h
- Travel score
- 4.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Qal‘at Bīshah in Fall
Over the season highs ease from about 39°C in early September to 28°C by late November.
A typical fall day in Qal‘at Bīshah reaches about 33°C and drops to 18°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Qal‘at Bīshah
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.
Qal‘at Bīshah 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 | 26° / 11° | 4 | 1 | 10.9 | 8.9 |
| Feb | 28° / 13° | 3 | 0.6 | 11.3 | 8.1 |
| Mar | 31° / 16° | 9 | 2 | 11.9 | 5.9 |
| Apr | 34° / 19° | 13 | 3.3 | 12.4 | 4.0 |
| May | 37° / 22° | 3 | 1.3 | 12.9 | 2.1 |
| Jun | 39° / 24° | 0 | 0.1 | 13.2 | 0.8 |
| Jul | 39° / 25° | 0 | 0.1 | 13.1 | 0.6 |
| Aug | 39° / 25° | 1 | 0.4 | 12.7 | 0.5 |
| Sep | 37° / 22° | 0 | 0 | 12.1 | 2.0 |
| Oct | 33° / 18° | 1 | 0.3 | 11.5 | 5.1 |
| Nov | 29° / 14° | 2 | 0.4 | 11.1 | 7.5 |
| Dec | 26° / 11° | 1 | 0.2 | 10.8 | 9.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 86% of the time across fall.
Chance of precipitation in Fall
Qal‘at Bīshah gets around 3 mm of rain over 1 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 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 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 6.1 kWh/m².
Hazard calendar for Qal‘at Bīshah
In fall, Qal‘at Bīshah overlaps its dust season. The full year is below, with each hazard's peak months called out.
Qal‘at Bīshah sees seasonal dust haze (March–September), heaviest in July.
Is fall a good time to visit Qal‘at Bīshah?
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 Qal‘at Bīshah for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Qal‘at Bīshah in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Qal‘at Bīshah sees daytime highs around 33°C and nights near 18°C. Pack light clothes and sun protection.
UV index in Qal‘at Bīshah in Fall
Clear-sky midday UV across fall averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Qal‘at Bīshah peaks around March 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).
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) | 8 | 11 | 14 | 14 | 10 | 12 | 12 | 12 | 10 | 10 | 7 | 5 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 11 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 10 | Very high |
| Oct | 10 | Extreme |
| Nov | 7 | Very high |
| Dec | 5 | High |
Air quality in Qal‘at Bīshah 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 Qal‘at Bīshah is worst in February — around 91 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (October, 47 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) | 82 | 91 | 87 | 78 | 66 | 63 | 71 | 68 | 53 | 47 | 62 | 73 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 82 | Unhealthy |
| Feb | 91 | Unhealthy |
| Mar | 87 | Unhealthy |
| Apr | 78 | Unhealthy |
| May | 66 | Unhealthy |
| Jun | 63 | Unhealthy |
| Jul | 71 | Unhealthy |
| Aug | 68 | Unhealthy |
| Sep | 53 | Poor |
| Oct | 47 | Poor |
| Nov | 62 | Unhealthy |
| Dec | 73 | Unhealthy |
Where is Qal‘at Bīshah?
Qal‘at Bīshah sits at 20.0°N, 42.6°E, 1,168 m above sea level, in Saudi Arabia. The nearest listed city is Sabt Alalayah, 82 km away.
Topography around Qal‘at Bīshah
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Qal‘at Bīshah.
Within 3 km, the terrain around Qal‘at Bīshah has only modest variations in elevation — a maximum elevation change of 46 m around an average of 1,162 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 318 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,274 m.
The land around Qal‘at Bīshah is covered by bare terrain (60%) and artificial surfaces (36%) within 3 km, bare terrain (95%) within 16 km, and bare terrain (99%) within 80 km.
Saudi Arabia travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type G
- 230 V · 60 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $34,537
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Homicide rate
- 0.9
- per 100k, 2019
- Road deaths
- 35.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 404
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 Qal‘at Bīshah (20.0005°, 42.6052°, elevation 1,168 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.