Zliten weather in September

In September, Zliten sees average daytime highs of 31°C and overnight lows near 23°C, with 9 mm of rain across 1.6 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 30°C by the end. The sky is clear or mostly clear about 81% of the time in September, and the air most often feels muggy.

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 Zliten's 4th-clearest and 9th-windiest month. For the whole year in context, see Zliten's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
9 mm
1.6 wet days
Daylight
12 h 12 min
6:50 AM – 7:02 PM
Cloud cover
21%
4th clearest
Wind
14 km/h
9th windiest
Solar energy
5.73 kWh/m²
Travel score
5.6
out of 10

Zliten 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

Highs ease over the month, from about 33°C in the first days to 30°C by the end.

A typical September day in Zliten reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 36°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°40°151015202530
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53224
63224
73224
83224
93224
103224
113224
123223
133223
143223
153223
163223
173123
183123
193123
203123
213123
223123
233123
243123
253023
263022
273022
283022
293022
303022

How September really feels in Zliten

Once humidity and wind are folded in, September averages 22 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
22
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.

Zliten weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 11°265.910.16.5
Feb18° / 11°194.510.87.0
Mar21° / 12°183.711.87.8
Apr24° / 15°91.612.88.8
May27° / 18°50.913.68.4
Jun30° / 21°10.214.16.5
Jul32° / 23°00.113.95.4
Aug33° / 24°10.313.25.0
Sep31° / 23°91.612.25.6
Oct28° / 20°173.511.27.2
Nov23° / 16°163.510.38.2
Dec19° / 12°235.29.97.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4973
5973
6973
7973
8973
9973
10964
11964
12955
13946
14946
15937
16928
17928
189010
199010
208911
218812
228713
238614
248515
258515
268416
278416
288317
298317
308317

Chance of precipitation in September

Any precipitation

Zliten gets around 9 mm of rain over 1.6 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 5% and peaks near 10% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
43
53
63
73
84
94
104
114
124
134
144
154
164
175
185
195
206
216
226
237
247
258
268
279
289
2910
3010

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1041354281
2041354281
3041454271
4041455261
5041554261
6041555251
7041655241
8131655241
9131756230
10131855230
11131856220
12131955220
13131956210
14132055210
15132154210
16242153200
17242253190
18242352190
19252451180
20252550180
21252650170
22362648170
23372747160
24372846160
25382945150
26492943150
27493142140
284103241130
295103340120
305113439110

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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 6:40 AM to 6:59 AM, and sunset from 7:22 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:407:22
212.76:417:21
312.66:427:20
412.66:427:18
512.66:437:17
612.56:447:16
712.56:447:14
812.56:457:13
912.46:467:12
1012.46:467:10
1112.46:477:09
1212.36:487:08
1312.36:487:06
1412.36:497:05
1512.26:497:03
1612.26:507:02
1712.26:517:01
1812.16:516:59
1912.16:526:58
2012.16:536:56
2112.06:536:55
2212.06:546:54
2312.06:556:52
2411.96:556:51
2511.96:566:49
2611.96:576:48
2711.86:576:47
2811.86:586:45
2911.86:596:44
3011.76:596:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.73 kWh/m².

For context, solar energy here swings from a low near 2.81 kWh/m² to a high of 7.67 kWh/m² in July across the year — September's 5.73 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.3Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.7Bright
175.7Bright
185.7Bright
195.6Bright
205.5Bright
215.5Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.0Bright
Planning a trip in September

Hazard calendar for Zliten

In seasonPeak

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

Zliten sees seasonal dust haze (March–June), heaviest in April.

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

Is September a good time to visit Zliten?

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

5.6
Sightseeing
10th-best month of the year
8.5
Beach & pool
5th-best month of the year

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

What to pack for Zliten in September

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

In September, Zliten sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Zliten in September

The nearest coast averages about 27°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 18 km away) is warmest in August at about 27°C and coldest in March near 16°C.

It's comfortable for a long swim from May 24 to Dec 14 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar16Cool
Apr17Cool
May19Cool
Jun23Refreshing
Jul26Warm
Aug27Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Cool

UV index in Zliten 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 Zliten peaks around June 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 highExtremeExtremeVery highModerateJun 20UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar7High
Apr7High
May7High
Jun11Extreme
Jul10Very high
Aug11Extreme
Sep8Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Zliten 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 Zliten is worst in April — around 50 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (August, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorApr 1250 µg/m³Aug 1320 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb43Poor
Mar47Poor
Apr50Poor
May40Poor
Jun28Moderate
Jul21Moderate
Aug19Moderate
Sep24Moderate
Oct29Moderate
Nov35Moderate
Dec38Poor
Location & terrain

Where is Zliten?

Zliten sits at 32.5°N, 14.6°E, 9 m above sea level, in Libya. The nearest listed city is Al Khums, 35 km away.

Qaşr al QarabūllīTarhunaBani Walid

Topography around Zliten

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

Within 3 km, the terrain around Zliten has only modest variations in elevation — a maximum elevation change of 26 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, significant variations in elevation — a maximum elevation change of 508 m.

The land around Zliten is covered by artificial surfaces (65%) and grassland (22%) within 3 km, water (38%) and grassland (23%) within 16 km, and bare terrain (46%) and water (32%) within 80 km.

3 km
26 m
16 km
140 m
80 km
508 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Al Khums 35 km · Misratah 50 km · Msalātah 52 km · Al-'Alūaṣ 62 km · Qaşr Khiyār 72 km · Qaşr al Qarabūllī 86 km · Tarhuna 88 km · Bani Walid 97 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 Zliten (32.4674°, 14.5687°, elevation 9 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).