Cherchell weather in September

In September, Cherchell sees average daytime highs of 27°C and overnight lows near 19°C, with 32 mm of rain across 6.1 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 58% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Cherchell's 4th-clearest and 8th-windiest month. For the whole year in context, see Cherchell's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
32 mm
6.1 wet days
Daylight
12 h 12 min
6:39 AM – 6:52 PM
Cloud cover
38%
4th clearest
Wind
10 km/h
8th windiest
Solar energy
5.38 kWh/m²
Travel score
7.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 25°C by the end.

A typical September day in Cherchell reaches about 27°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52820
62820
72820
82820
92720
102720
112720
122720
132720
142719
152719
162619
172619
182619
192619
202619
212619
222618
232618
242518
252518
262518
272518
282518
292518
302518

Cherchell weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan14° / 76100.29.84.2
Feb14° / 659.40.510.64.4
Mar16° / 678.90.211.75.5
Apr18° / 11°648.8012.96.3
May22° / 14°496.3013.97.5
Jun26° / 18°91.9014.58.6
Jul29° / 21°20.5014.27.6
Aug29° / 22°81.5013.46.9
Sep27° / 19°326.1012.27.5
Oct23° / 16°507.3011.17.4
Nov18° / 12°7910.90105.9
Dec15° / 709.50.19.54.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28317
38218
48119
58020
67921
77822
87723
97624
107624
117624
127426
137426
147327
157228
167228
177228
187129
197030
206931
216931
226931
236931
246832
256832
266832
276832
286832
296931
306931

Chance of precipitation in September

Any precipitation

Cherchell gets around 32 mm of rain over 6.1 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 24% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
111
211
312
413
514
615
715
816
917
1018
1118
1219
1319
1420
1520
1621
1721
1821
1922
2022
2123
2223
2323
2424
2524
2624
2724
2824
2924
3024

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12936457
221037447
331038436
431138425
531239415
631339404
741440394
841540373
951640363
1051740352
1161841332
1261941322
1372041311
1472141291
1582241281
1682342271
1782442261
1882442251
1992542231
2092642220
2192742210
22102842200
23102942190
24102942180
25113042170
26113142160
27123242140
28123341130
29133441120
30133541110

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 6:26 AM to 6:50 AM, and sunset from 7:16 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:267:16
212.86:277:14
312.76:287:13
412.76:297:11
512.76:307:09
612.66:307:08
712.66:317:06
812.56:327:05
912.56:337:03
1012.56:347:02
1112.46:357:00
1212.46:356:59
1312.36:366:57
1412.36:376:56
1512.36:386:54
1612.26:396:52
1712.26:396:51
1812.16:406:49
1912.16:416:48
2012.16:426:46
2112.06:436:45
2212.06:446:43
2312.06:446:41
2411.96:456:40
2511.96:466:38
2611.86:476:37
2711.86:486:35
2811.86:496:34
2911.76:506:32
3011.76:506:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.38 kWh/m².

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 7.54 kWh/m² in June across the year — September's 5.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.0Bright
245.0Bright
254.9Bright
264.9Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
Planning a trip in September

Hazard calendar for Cherchell

In seasonPeak

None of Cherchell's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Cherchell sees seasonal dust haze (July), heaviest in July.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Cherchell?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.5
Sightseeing
3rd-best month of the year
7.5
Beach & pool
4th-best month of the year

September is one of the better times to visit Cherchell for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cherchell in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Cherchell sees daytime highs around 27°C and nights near 19°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Cherchell in September

The nearest coast averages about 24°C in September — 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 Nov 3 — about 4.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Cherchell in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cherchell peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 17UV 9Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Cherchell in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Cherchell is worst in July — around 34 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (January, 18 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1933 µg/m³Jan 1019 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb24Moderate
Mar29Moderate
Apr26Moderate
May24Moderate
Jun25Moderate
Jul34Moderate
Aug30Moderate
Sep26Moderate
Oct25Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Cherchell?

Cherchell sits at 36.6°N, 2.2°E, 38 m above sea level, in Algeria. The nearest listed city is Hadjout, 22 km away.

Topography around Cherchell

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cherchell.

Within 3 km, the terrain around Cherchell has significant variations in elevation — a maximum elevation change of 353 m around an average of 67 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 912 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,778 m.

The land around Cherchell is covered by water (46%) and grassland (20%) within 3 km, water (50%) within 16 km, and water (34%) and grassland (22%) within 80 km.

3 km
353 m
16 km
912 m
80 km
1,778 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Hadjout 22 km · Tipasa 23 km · Miliana 33 km · Khemis Miliana 38 km · El Affroun 42 km · Aïn Defla 43 km · Bou Ismaïl 45 km · Mouzaïa 47 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
Muslim 99%

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 Cherchell (36.605°, 2.1908°, elevation 38 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).