Al Marj weather in September

In September, Al Marj sees average daytime highs of 29°C and overnight lows near 20°C, with 5 mm of rain across 1.5 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 91% of the time in September, and the air most often feels humid.

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

Daytime high
29°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
5 mm
1.5 wet days
Daylight
12 h 12 min
6:25 AM – 6:37 PM
Cloud cover
14%
4th clearest
Wind
12 km/h
11th windiest
Solar energy
5.91 kWh/m²
Travel score
7.4
out of 10

Al Marj is city in Libya.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Al Marj reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and about 3°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
72921
82921
92921
102921
112921
122921
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252820
262819
272819
282819
292819
302819

Al Marj 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 daysDaylight (hours)Travel score
Jan15° / 499.410.14.9
Feb16° / 438.710.85.1
Mar18° / 10°265.211.86.9
Apr22° / 13°102.812.88.3
May26° / 16°61.613.68.7
Jun28° / 19°20.514.18.1
Jul29° / 21°00.113.97.4
Aug30° / 22°10.413.27.0
Sep29° / 20°51.512.27.4
Oct26° / 18°154.111.28.0
Nov21° / 14°255.510.37.5
Dec17° / 11°4399.95.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 91% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 3%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
5991
6991
7991
8991
9991
10991
11991
12991
13991
14982
15982
16973
17973
18973
19973
20964
21955
22955
23955
24955
25946
26937
27928
28928
29919
309010

Chance of precipitation in September

Any precipitation

Al Marj gets around 5 mm of rain over 1.5 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 5% and peaks near 7% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
63
73
83
93
104
114
124
134
145
155
165
175
185
196
206
216
226
236
246
256
266
276
286
297
307

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121236491
221337471
321438451
421539431
521639411
621740391
721841371
831943351
931944331
1032045321
1132146301
1232147281
1332248261
1432348241
1532449231
1642549211
1742649201
1842749190
1952849180
2052949160
2163048150
2263148140
2373248130
2483247120
2593347110
2693446110
27103545100
2811364490
2912374380
3012384270

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 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 60 minutes over September. Sunrise moves from 6:15 AM to 6:34 AM, and sunset from 6:57 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:156:57
212.76:166:56
312.66:176:55
412.66:176:53
512.66:186:52
612.56:196:51
712.56:196:49
812.56:206:48
912.46:216:47
1012.46:216:45
1112.46:226:44
1212.36:226:42
1312.36:236:41
1412.36:246:40
1512.26:246:38
1612.26:256:37
1712.26:266:36
1812.16:266:34
1912.16:276:33
2012.16:286:31
2112.06:286:30
2212.06:296:29
2312.06:306:27
2411.96:306:26
2511.96:316:24
2611.96:326:23
2711.86:326:22
2811.86:336:20
2911.86:346:19
3011.76:346:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.91 kWh/m².

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 7.82 kWh/m² in June across the year — September's 5.91 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.0Intense
146.0Bright
156.0Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.2Bright
Planning a trip in September

Hazard calendar for Al Marj

In seasonPeak

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

Al Marj sees seasonal dust haze (April–May), heaviest in April.

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

Is September a good time to visit Al Marj?

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

7.4
Sightseeing
6th-best month of the year
9.2
Beach & pool
4th-best month of the year

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

What to pack for Al Marj in September

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

In September, Al Marj sees daytime highs around 29°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Al Marj in September

The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in August at about 27°C and coldest in March near 17°C.

It's comfortable for a long swim from May 20 to Dec 16 — about 6.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr17Cool
May20Cool
Jun23Refreshing
Jul26Warm
Aug27Warm
Sep26Warm
Oct25Warm
Nov22Refreshing
Dec20Refreshing

UV index in Al Marj in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Al Marj peaks around August 11 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 highModerateAug 11UV 10Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May7Very high
Jun9Very high
Jul10Extreme
Aug10Extreme
Sep9Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Al Marj 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 Al Marj is worst in April — around 30 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (July, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1429 µg/m³Jul 2410 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb26Moderate
Mar25Moderate
Apr30Moderate
May21Moderate
Jun14Moderate
Jul10Good
Aug10Good
Sep12Good
Oct16Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Al Marj?

Al Marj sits at 32.5°N, 20.8°E, 338 m above sea level, in Libya. The nearest listed city is Al Abyār, 40 km away.

Al Bayḑā’ShahhatQaryat SulūqAl QubbahDarnahAz Zuwaytīnah

Topography around Al Marj

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

Within 3 km, the terrain around Al Marj has only modest variations in elevation — a maximum elevation change of 101 m around an average of 334 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 595 m; within 80 km, large variations in elevation — a maximum elevation change of 783 m.

The land around Al Marj is covered by cropland (37%), artificial surfaces (36%) and grassland (21%) within 3 km, cropland (58%) and grassland (27%) within 16 km, and water (31%), grassland (27%) and bare terrain (23%) within 80 km.

3 km
101 m
16 km
595 m
80 km
783 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Al Abyār 40 km · Benghazi 83 km · Al Bayḑā’ 92 km · Shahhat 103 km · Qaryat Sulūq 107 km · Al Qubbah 135 km · Darnah 172 km · Az Zuwaytīnah 184 km

Libya travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 39% of US
price level, 2025
GDP per capita
$6,449
2025
Happiness
5.7 / 10
World Happiness, 2025
Road deaths
21.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 395
Religion
Muslim 97%Christian 3%

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 Al Marj (32.4926°, 20.8291°, elevation 338 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).