Rouissat in Fall
In fall (September, October and November), Rouissat sees average daytime highs around 30°C and overnight lows near 18°C, with 11 mm of rain over about 2 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 39°C in early September to 20°C by late November. The sky is clear or mostly clear about 72% of the time across fall, and the air most often feels dry.
Fall is Rouissat's 3rd-best season to visit on our travel score. For the whole year in context, see Rouissat's year-round climate.
- Avg daytime high
- 30°C
- 2nd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 11 mm
- 2 wet days
- Avg wind
- 13 km/h
- Travel score
- 5.9
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Rouissat in Fall
Over the season highs ease from about 39°C in early September to 20°C by late November.
A typical fall day in Rouissat reaches about 30°C and drops to 18°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Rouissat
Once humidity and wind are folded in, fall brings about 36 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.
Rouissat 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 | 18° / 6° | 7 | 1.2 | 10.1 | 7.5 |
| Feb | 20° / 8° | 3 | 0.8 | 10.8 | 8.3 |
| Mar | 24° / 12° | 5 | 1 | 11.8 | 9.0 |
| Apr | 29° / 16° | 4 | 0.7 | 12.8 | 7.4 |
| May | 34° / 21° | 2 | 0.3 | 13.6 | 4.1 |
| Jun | 39° / 26° | 0 | 0.1 | 14 | 0.9 |
| Jul | 42° / 28° | 0 | 0 | 13.9 | 0.0 |
| Aug | 41° / 28° | 0 | 0 | 13.2 | 0.0 |
| Sep | 36° / 24° | 3 | 0.7 | 12.2 | 2.4 |
| Oct | 30° / 18° | 4 | 0.6 | 11.2 | 6.4 |
| Nov | 23° / 11° | 4 | 0.9 | 10.4 | 8.8 |
| Dec | 18° / 7° | 4 | 1.1 | 10 | 7.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 72% of the time across fall.
Chance of precipitation in Fall
Rouissat gets around 11 mm of rain over 2 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 42 min in early September to 10 h 06 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 5.0 kWh/m².
Hazard calendar for Rouissat
In fall, Rouissat overlaps its dust season. The full year is below, with each hazard's peak months called out.
Rouissat sees seasonal dust haze (March–October), heaviest in June.
Is fall a good time to visit Rouissat?
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 Rouissat for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rouissat in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Rouissat sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection.
UV index in Rouissat 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 Rouissat peaks around June 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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) | 4 | 6 | 7 | 6 | 8 | 11 | 10 | 8 | 7 | 6 | 5 | 3 |
| Level | Moderate | High | Very high | High | Very high | Extreme | Very high | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 7 | Very high |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Rouissat 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 Rouissat is worst in April — around 102 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (December, 40 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) | 46 | 58 | 80 | 102 | 92 | 89 | 60 | 59 | 61 | 49 | 42 | 40 |
| Level | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 46 | Poor |
| Feb | 58 | Unhealthy |
| Mar | 80 | Unhealthy |
| Apr | 102 | Unhealthy |
| May | 92 | Unhealthy |
| Jun | 89 | Unhealthy |
| Jul | 60 | Unhealthy |
| Aug | 59 | Unhealthy |
| Sep | 61 | Unhealthy |
| Oct | 49 | Poor |
| Nov | 42 | Poor |
| Dec | 40 | Poor |
Where is Rouissat?
Rouissat sits at 31.9°N, 5.4°E, 138 m above sea level, in Algeria. The nearest listed city is Ouargla, 4.0 km away.
Topography around Rouissat
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rouissat.
Within 3 km, the terrain around Rouissat has only modest variations in elevation — a maximum elevation change of 31 m around an average of 137 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 127 m; within 80 km, only modest variations in elevation — a maximum elevation change of 194 m.
The land around Rouissat is covered by bare terrain (52%) and artificial surfaces (32%) within 3 km, bare terrain (89%) within 16 km, and bare terrain (99%) within 80 km.
Algeria travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 33% of US
- price level, 2025
- GDP per capita
- $6,051
- 2025
- Happiness
- 5.7 / 10
- World Happiness, 2025
- Safe drinking water
- 69%
- of population, 2024
- Homicide rate
- 1.2
- per 100k, 2023
- Road deaths
- 20.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 468
- 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 Rouissat (31.9243°, 5.3502°, elevation 138 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.