Sidi ech Chahmi in Fall
In fall (September, October and November), Sidi ech Chahmi sees average daytime highs around 23°C and overnight lows near 18°C, with 107 mm of rain over about 17 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 28°C in early September to 18°C by late November. The sky is clear or mostly clear about 53% of the time across fall, and the air most often feels humid.
Fall is Sidi ech Chahmi's 2nd-best season to visit on our travel score. For the whole year in context, see Sidi ech Chahmi's year-round climate.
- Avg daytime high
- 23°C
- 2nd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 107 mm
- 17 wet days
- Avg wind
- 11 km/h
- Travel score
- 7.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Sidi ech Chahmi in Fall
Over the season highs ease from about 28°C in early September to 18°C by late November.
A typical fall day in Sidi ech Chahmi reaches about 23°C and drops to 18°C overnight. The warmest of the three months is September, the coolest November.
Sidi ech Chahmi 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 | 16° / 11° | 48 | 8.4 | 9.9 | 5.3 |
| Feb | 16° / 11° | 37 | 7.2 | 10.7 | 5.5 |
| Mar | 18° / 12° | 40 | 6.5 | 11.7 | 6.5 |
| Apr | 19° / 14° | 36 | 6 | 12.9 | 7.1 |
| May | 22° / 17° | 21 | 3.4 | 13.9 | 8.1 |
| Jun | 26° / 20° | 4 | 1 | 14.4 | 8.9 |
| Jul | 29° / 23° | 1 | 0.1 | 14.2 | 7.9 |
| Aug | 29° / 24° | 3 | 0.5 | 13.3 | 7.2 |
| Sep | 27° / 22° | 15 | 3.5 | 12.2 | 7.8 |
| Oct | 24° / 18° | 31 | 5.4 | 11.1 | 7.9 |
| Nov | 20° / 15° | 61 | 8.2 | 10.1 | 6.7 |
| Dec | 17° / 12° | 44 | 6.9 | 9.6 | 6.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 53% of the time across fall.
Chance of precipitation in Fall
Sidi ech Chahmi gets around 107 mm of rain over 17 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 11 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.
Hazard calendar for Sidi ech Chahmi
None of Sidi ech Chahmi's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Sidi ech Chahmi sees seasonal dust haze (July–August), heaviest in July.
Is fall a good time to visit Sidi ech Chahmi?
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 one of the better times to visit Sidi ech Chahmi for general sightseeing.
What to pack for Sidi ech Chahmi in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Sidi ech Chahmi sees daytime highs around 23°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 17 days see rain.
Sea temperature near Sidi ech Chahmi in Fall
The nearest coast averages about 21°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 26 km away) is warmest in August at about 25°C and coldest in February near 15°C.
It's comfortable for a long swim from Jun 7 to Oct 30 — about 4.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 15 | 16 | 17 | 18 | 21 | 23 | 25 | 24 | 21 | 19 | 17 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Cool |
| Mar | 16 | Cool |
| Apr | 17 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 25 | Warm |
| Sep | 24 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Sidi ech Chahmi 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 Sidi ech Chahmi peaks around July 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (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 | 7 | 7 | 8 | 8 | 10 | 9 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 3 | Moderate |
| Mar | 7 | High |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Sidi ech Chahmi 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 Sidi ech Chahmi is worst in March — around 23 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (June, 13 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) | 14 | 19 | 23 | 17 | 14 | 13 | 16 | 16 | 19 | 17 | 15 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 19 | Moderate |
| Mar | 23 | Moderate |
| Apr | 17 | Moderate |
| May | 14 | Moderate |
| Jun | 13 | Moderate |
| Jul | 16 | Moderate |
| Aug | 16 | Moderate |
| Sep | 19 | Moderate |
| Oct | 17 | Moderate |
| Nov | 15 | Moderate |
| Dec | 15 | Moderate |
Where is Sidi ech Chahmi?
Sidi ech Chahmi sits at 35.7°N, 0.5°W, 92 m above sea level, in Algeria. The nearest listed city is Assi Bou Nif, 4.0 km away.
Topography around Sidi ech Chahmi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sidi ech Chahmi.
Within 3 km, the terrain around Sidi ech Chahmi has only modest variations in elevation — a maximum elevation change of 95 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 603 m; within 80 km, large variations in elevation — a maximum elevation change of 1,099 m.
The land around Sidi ech Chahmi is covered by cropland (67%) within 3 km, cropland (41%) and grassland (21%) within 16 km, and cropland (37%) and water (33%) 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 Sidi ech Chahmi (35.659°, -0.5217°, elevation 92 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.