Lardjem weather in September

In September, Lardjem sees average daytime highs of 29°C and overnight lows near 17°C, with 36 mm of rain across 6.6 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 26°C by the end. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels dry.

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 Lardjem's 4th-clearest and 10th-windiest month. For the whole year in context, see Lardjem's year-round climate.

Daytime high
29°
4th warmest
Overnight low
17°
9th coldest
Rainfall
36 mm
6.6 wet days
Daylight
12 h 12 min
6:41 AM – 6:55 PM
Cloud cover
40%
4th clearest
Wind
7 km/h
10th windiest
Solar energy
5.47 kWh/m²
Travel score
6.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 32°C in the first days to 26°C by the end.

A typical September day in Lardjem reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, September runs about 6°C cooler than August and about 6°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13219
23219
33219
43219
53118
63118
73118
83118
93018
103018
113017
123017
133017
142917
152917
162917
172916
182816
192816
202816
212816
222816
232715
242715
252715
262715
272715
282715
292615
302615

How September really feels in Lardjem

Once humidity and wind are folded in, September averages 2 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
2
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Lardjem weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 6510.20.59.93.5
Feb14° / 62101.110.63.9
Mar17° / 689.90.511.75.5
Apr20° / 699.7012.96.5
May25° / 12°498.1013.97.4
Jun31° / 17°153.1014.45.9
Jul35° / 21°82.6014.23.2
Aug35° / 21°144.3013.43.4
Sep29° / 17°366.6012.26.2
Oct23° / 13°457.2011.17.4
Nov17° / 649.60.110.15.5
Dec13° / 598.90.29.64.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18218
28218
38020
47921
57822
67822
77723
87624
97525
107426
117426
127327
137228
147228
157228
167129
177129
187030
197030
206931
216832
226733
236733
246733
256733
266733
276733
286733
296733
306733

Chance of precipitation in September

Any precipitation

Lardjem gets around 36 mm of rain over 6.6 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 21% and peaks near 23% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
118
218
318
419
519
619
720
820
920
1020
1121
1221
1321
1421
1521
1622
1722
1822
1922
2023
2123
2223
2323
2423
2523
2623
2723
2823
2923
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15034142
25033152
35133151
45232151
55232151
65231161
75330161
85330161
95429161
105528161
115627161
125726161
135726161
145825161
155825161
165925151
175925151
186125140
196126130
206226120
216326110
226327100
236327100
24642790
25652780
26662770
27682660
28692650
29702640
30712540

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:30 AM to 6:53 AM, and sunset from 7:17 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:307:17
212.86:307:16
312.76:317:14
412.76:327:13
512.66:337:11
612.66:347:10
712.66:347:08
812.56:357:07
912.56:367:05
1012.56:377:04
1112.46:387:02
1212.46:387:01
1312.36:396:59
1412.36:406:58
1512.36:416:56
1612.26:416:55
1712.26:426:53
1812.16:436:52
1912.16:446:50
2012.16:456:49
2112.06:456:47
2212.06:466:46
2312.06:476:44
2411.96:486:43
2511.96:496:41
2611.86:496:40
2711.86:506:38
2811.86:516:37
2911.76:526:35
3011.76:536:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.47 kWh/m².

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 7.59 kWh/m² in July across the year — September's 5.47 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.0Intense
66.0Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.4Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Hazard calendar for Lardjem

In seasonPeak

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

Lardjem sees seasonal dust haze (July–August), heaviest in July.

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

Is September a good time to visit Lardjem?

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

6.2
Sightseeing
4th-best month of the year
7.5
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Lardjem for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lardjem in September

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

In September, Lardjem sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Lardjem in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lardjem peaks around July 15 at about 10 (extreme) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highVery highModerateJul 15UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar7High
Apr8Very high
May8Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Lardjem 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 Lardjem is worst in September — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1028 µg/m³Jan 1318 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb22Moderate
Mar27Moderate
Apr23Moderate
May19Moderate
Jun21Moderate
Jul26Moderate
Aug27Moderate
Sep28Moderate
Oct22Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Lardjem?

Lardjem sits at 35.7°N, 1.5°E, 552 m above sea level, in Algeria. The nearest listed city is Tissemsilt, 29 km away.

Topography around Lardjem

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

Within 3 km, the terrain around Lardjem has significant variations in elevation — a maximum elevation change of 387 m around an average of 640 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,545 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,917 m.

The land around Lardjem is covered by grassland (43%) and cropland (33%) within 3 km, grassland (41%) and trees (30%) within 16 km, and cropland (47%) and grassland (33%) within 80 km.

3 km
387 m
16 km
1,545 m
80 km
1,917 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Tissemsilt 29 km · Mehdia daira de meghila 40 km · Ammi Moussa 42 km · Theniet el Had 45 km · Tiaret 47 km · Oued Fodda 48 km · Chlef 50 km · Oued Sly 50 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 Lardjem (35.7492°, 1.5478°, elevation 552 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. 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).