An Nimas in Fall
In fall (September, October and November), An Nimas sees average daytime highs around 29°C and overnight lows near 20°C, with 165 mm of rain over about 31 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 33°C in early September to 26°C by late November. The sky is clear or mostly clear about 74% of the time across fall, and the air most often feels dry.
Fall is An Nimas's 2nd-best season to visit on our travel score. For the whole year in context, see An Nimas's year-round climate.
- Avg daytime high
- 29°C
- 3rd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 165 mm
- 31 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in An Nimas in Fall
Over the season highs ease from about 33°C in early September to 26°C by late November.
A typical fall day in An Nimas reaches about 29°C and drops to 20°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in An Nimas
Once humidity and wind are folded in, fall brings about 19 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.
An Nimas 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 | 23° / 15° | 25 | 4 | 11 | 8.5 |
| Feb | 25° / 16° | 17 | 2.9 | 11.3 | 8.7 |
| Mar | 27° / 18° | 24 | 5.5 | 11.9 | 7.7 |
| Apr | 30° / 21° | 33 | 8.3 | 12.4 | 5.6 |
| May | 33° / 23° | 40 | 12.4 | 12.9 | 3.8 |
| Jun | 34° / 24° | 18 | 5.1 | 13.1 | 3.3 |
| Jul | 33° / 25° | 20 | 5 | 13 | 3.9 |
| Aug | 32° / 24° | 71 | 12.4 | 12.6 | 3.7 |
| Sep | 32° / 23° | 109 | 16.1 | 12.1 | 3.6 |
| Oct | 29° / 19° | 43 | 10.3 | 11.6 | 5.8 |
| Nov | 27° / 17° | 13 | 4.4 | 11.1 | 8.1 |
| Dec | 25° / 15° | 11 | 2.7 | 10.9 | 8.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 74% of the time across fall.
Chance of precipitation in Fall
An Nimas gets around 165 mm of rain over 31 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 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 5.7 kWh/m².
Hazard calendar for An Nimas
In fall, An Nimas overlaps its dust season. The full year is below, with each hazard's peak months called out.
An Nimas sees seasonal dust haze (May–September), heaviest in July.
Is fall a good time to visit An Nimas?
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 An Nimas for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for An Nimas in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, An Nimas sees daytime highs around 29°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 31 days see rain.
UV index in An Nimas 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 An Nimas peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 7 (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) | 9 | 11 | 13 | 13 | 11 | 12 | 12 | 11 | 11 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in An Nimas 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 An Nimas is worst in February — around 58 µg/m³ PM2.5 (unhealthy), 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) | 57 | 58 | 57 | 57 | 55 | 58 | 53 | 56 | 57 | 49 | 51 | 56 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Unhealthy | Poor | Unhealthy | Unhealthy | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 57 | Unhealthy |
| Feb | 58 | Unhealthy |
| Mar | 57 | Unhealthy |
| Apr | 57 | Unhealthy |
| May | 55 | Poor |
| Jun | 58 | Unhealthy |
| Jul | 53 | Poor |
| Aug | 56 | Unhealthy |
| Sep | 57 | Unhealthy |
| Oct | 49 | Poor |
| Nov | 51 | Poor |
| Dec | 56 | Unhealthy |
Where is An Nimas?
An Nimas sits at 19.1°N, 42.1°E, 2,385 m above sea level, in Saudi Arabia. The nearest listed city is Bariq, 31 km away.
Topography around An Nimas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of An Nimas.
Within 3 km, the terrain around An Nimas has large variations in elevation — a maximum elevation change of 1,043 m around an average of 2,248 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,206 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,793 m.
The land around An Nimas is covered by shrubs (34%) and cropland (26%) within 3 km, shrubs (41%), bare terrain (30%) and grassland (21%) within 16 km, and bare terrain (79%) 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 An Nimas (19.1455°, 42.1201°, elevation 2,385 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.