El Idrissia weather in September

In September, El Idrissia sees average daytime highs of 29°C and overnight lows near 17°C, with 32 mm of rain across 6.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 26°C by the end. The sky is clear or mostly clear about 56% 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 El Idrissia's 4th-clearest and 11th-windiest month. For the whole year in context, see El Idrissia's year-round climate.

Daytime high
29°
4th warmest
Overnight low
17°
9th coldest
Rainfall
32 mm
6.5 wet days
Daylight
12 h 12 min
6:38 AM – 6:51 PM
Cloud cover
40%
4th clearest
Wind
10 km/h
11th windiest
Solar energy
5.74 kWh/m²
Travel score
6.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 26°C by the end.

A typical September day in El Idrissia 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 23°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
33119
43119
53118
63118
73018
83018
93018
103018
113017
122917
132917
142917
152917
162817
172816
182816
192816
202816
212716
222715
232715
242715
252615
262615
272615
282614
292514
302514

How September really feels in El Idrissia

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

El Idrissia weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 225.61.3103.0
Feb12° / 2151.310.73.9
Mar16° / 245.70.511.75.8
Apr20° / 325.80.112.87.1
May25° / 13°255.1013.87.7
Jun31° / 18°123.2014.35.3
Jul36° / 22°72.3014.12.9
Aug34° / 21°133.9013.33.5
Sep29° / 17°326.5012.26.5
Oct22° / 12°315.3011.17.7
Nov16° / 204.3010.25.6
Dec12° / 194.40.79.73.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28218
38119
48020
58020
67921
77723
87624
97624
107525
117426
127426
137327
147327
157228
167228
177129
187129
197129
207129
217129
227129
237129
247129
257129
267030
277129
287129
297129
307129

Chance of precipitation in September

Any precipitation

El Idrissia gets around 32 mm of rain over 6.5 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 21% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
118
219
320
420
521
621
721
821
921
1021
1121
1221
1320
1420
1520
1620
1719
1819
1919
2020
2120
2220
2320
2420
2520
2619
2719
2819
2919
3019

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19091
29091
39091
489101
589101
689101
788111
888111
988111
1087121
1187121
1287121
1387121
1486131
1586131
1686131
1786131
1886131
1986131
2086131
2186131
2287130
2388120
2488120
2588120
2688120
2789110
2889110
2989110
3089110

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 11 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
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
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 6:27 AM to 6:48 AM, and sunset from 7:12 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:277:12
212.76:287:11
312.76:287:09
412.66:297:08
512.66:307:07
612.66:317:05
712.56:317:04
812.56:327:02
912.56:337:01
1012.46:336:59
1112.46:346:58
1212.46:356:56
1312.36:366:55
1412.36:366:54
1512.26:376:52
1612.26:386:51
1712.26:396:49
1812.16:396:48
1912.16:406:46
2012.16:416:45
2112.06:426:43
2212.06:426:42
2312.06:436:40
2411.96:446:39
2511.96:456:37
2611.86:456:36
2711.86:466:34
2811.86:476:33
2911.76:486:32
3011.76:486:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.74 kWh/m².

For context, solar energy here swings from a low near 2.75 kWh/m² to a high of 7.72 kWh/m² in June across the year — September's 5.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.2Intense
56.2Intense
66.2Intense
76.1Intense
86.1Intense
96.0Intense
106.0Bright
116.0Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.7Bright
185.7Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for El Idrissia

In seasonPeak

In September, El Idrissia sits inside its dust season. The full year is below, with each hazard's peak months called out.

El Idrissia sees seasonal dust haze (April–September), heaviest in July.

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

Is September a good time to visit El Idrissia?

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

6.5
Sightseeing
4th-best month of the year
7.6
Beach & pool
2nd-best month of the year

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

What to pack for El Idrissia in September

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

In September, El Idrissia 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 El Idrissia in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in El Idrissia peaks around June 22 at about 10 (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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7Very high
Apr8Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in El Idrissia 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 El Idrissia is worst in September — around 31 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (January, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1230 µg/m³Jan 109 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb15Moderate
Mar24Moderate
Apr29Moderate
May28Moderate
Jun31Moderate
Jul28Moderate
Aug28Moderate
Sep31Moderate
Oct19Moderate
Nov12Good
Dec9Good
Location & terrain

Where is El Idrissia?

El Idrissia sits at 34.4°N, 2.5°E, 1,070 m above sea level, in Algeria. The nearest listed city is Charef, 31 km away.

Topography around El Idrissia

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

Within 3 km, the terrain around El Idrissia has only modest variations in elevation — a maximum elevation change of 71 m around an average of 1,064 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 354 m; within 80 km, large variations in elevation — a maximum elevation change of 992 m.

The land around El Idrissia is covered by bare terrain (54%) and grassland (21%) within 3 km, grassland (49%) and bare terrain (44%) within 16 km, and bare terrain (56%) and grassland (36%) within 80 km.

3 km
71 m
16 km
354 m
80 km
992 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Charef 31 km · Aflou 54 km · ’Aïn el Bell 65 km · Djelfa 72 km · Laghouat 78 km · Hassi Bahbah 83 km · Ksar Chellala 87 km · Messaad 95 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 El Idrissia (34.4454°, 2.5275°, elevation 1,070 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).