Arzew in Fall
In fall (September, October and November), Arzew sees average daytime highs around 24°C and overnight lows near 18°C, with 104 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 29°C in early September to 18°C by late November. The sky is clear or mostly clear about 52% of the time across fall, and the air most often feels humid.
Fall is Arzew's best season of the year to visit on our travel score. For the whole year in context, see Arzew's year-round climate.
- Avg daytime high
- 24°C
- 2nd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 104 mm
- 17 wet days
- Avg wind
- 10 km/h
- Travel score
- 7.4
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Arzew in Fall
Over the season highs ease from about 29°C in early September to 18°C by late November.
A typical fall day in Arzew reaches about 24°C and drops to 18°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Arzew
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Arzew 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° / 10° | 46 | 8.2 | 9.8 | 5.4 |
| Feb | 16° / 11° | 38 | 7.3 | 10.6 | 5.7 |
| Mar | 18° / 12° | 40 | 6.8 | 11.7 | 6.6 |
| Apr | 20° / 14° | 37 | 6 | 12.9 | 7.2 |
| May | 23° / 17° | 22 | 3.8 | 13.9 | 8.2 |
| Jun | 27° / 20° | 5 | 1.1 | 14.4 | 8.5 |
| Jul | 30° / 23° | 1 | 0.1 | 14.2 | 6.9 |
| Aug | 31° / 23° | 4 | 0.6 | 13.4 | 6.4 |
| Sep | 28° / 21° | 16 | 3.6 | 12.2 | 7.4 |
| Oct | 24° / 18° | 30 | 5.4 | 11.1 | 7.9 |
| Nov | 20° / 14° | 58 | 7.8 | 10.1 | 6.8 |
| Dec | 17° / 12° | 42 | 7 | 9.6 | 6.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 52% of the time across fall.
Chance of precipitation in Fall
Arzew gets around 104 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 10 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 Arzew
None of Arzew's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Arzew sees seasonal dust haze (July–August), heaviest in July.
Is fall a good time to visit Arzew?
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 Arzew for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Arzew in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Arzew sees daytime highs around 24°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 17 days see rain.
Sea temperature near Arzew 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 offshore 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 Arzew 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 Arzew peaks around July 18 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 | 4 | 7 | 7 | 8 | 8 | 9 | 8 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 7 | High |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Arzew 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 Arzew is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (June, 16 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) | 17 | 21 | 26 | 20 | 16 | 16 | 19 | 19 | 22 | 20 | 17 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 21 | Moderate |
| Mar | 26 | Moderate |
| Apr | 20 | Moderate |
| May | 16 | Moderate |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 19 | Moderate |
| Sep | 22 | Moderate |
| Oct | 20 | Moderate |
| Nov | 17 | Moderate |
| Dec | 18 | Moderate |
Where is Arzew?
Arzew sits at 35.9°N, 0.3°W, 10 m above sea level, in Algeria. The nearest listed city is Aïn el Bya, 5.0 km away.
Topography around Arzew
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arzew.
Within 3 km, the terrain around Arzew has only modest variations in elevation — a maximum elevation change of 227 m around an average of 59 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 627 m; within 80 km, large variations in elevation — a maximum elevation change of 1,033 m.
The land around Arzew is covered by grassland (41%), artificial surfaces (20%) and water (20%) within 3 km, water (51%) and cropland (22%) within 16 km, and water (35%), cropland (33%) and grassland (20%) 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 Arzew (35.8505°, -0.318°, elevation 10 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.