Zahle weather in September

In September, Zahle sees average daytime highs of 28°C and overnight lows near 15°C, with 3 mm of rain across 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 30°C in the first days to 26°C by the end. The sky is clear or mostly clear about 96% of the time in September, and the air most often feels dry.

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 Zahle's 4th-clearest and 8th-windiest month. For the whole year in context, see Zahle's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
3 mm
1 wet days
Daylight
12 h 12 min
5:24 AM – 5:37 PM
Cloud cover
9%
4th clearest
Wind
5 km/h
8th windiest
Solar energy
6.22 kWh/m²
Travel score
8.1
out of 10

Zahle is capital and largest city of Beqaa Governorate, Lebanon.

Air quality
High
PM2.5 33 µg/m³ · 2014

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 30°C in the first days to 26°C by the end.

A typical September day in Zahle reaches about 28°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13016
23016
33016
43016
52916
62916
72916
82916
92915
102915
112915
122915
132915
142815
152815
162815
172815
182815
192815
202814
212714
222714
232714
242714
252714
262714
272714
282614
292613
302613

How September really feels in Zahle

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.

Zahle 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
Jan / -1°85124101.6
Feb10° / 7910.83.910.72.2
Mar13° / 649.91.611.74.0
Apr18° / 336.50.212.86.6
May23° / 11°194.5013.78.4
Jun28° / 14°20.5014.28.5
Jul30° / 17°00.10146.8
Aug31° / 17°10.2013.36.5
Sep28° / 15°31012.28.1
Oct23° / 11°184.3011.18.2
Nov16° / 426.60.310.25.9
Dec11° / 6691.69.82.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 96% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 1%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
20991
21991
22991
23991
24991
25982
26982
27982
28973
29973
30973

Chance of precipitation in September

Any precipitation

Zahle gets around 3 mm of rain over 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 3% and peaks near 7% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
92
102
112
122
132
142
153
163
173
184
194
204
215
225
235
246
256
266
276
287
297
307

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
176222
276222
378211
480191
581181
682171
783161
885150
986140
1087130
1188120
1289110
1390100
149190
159280
169280
179370
189370
199460
209460
219550
229550
239550
249640
259640
269730
279730
289820
299820
309820

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:14 AM to 5:35 AM, and sunset from 5:58 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:145:58
212.75:155:57
312.75:155:56
412.65:165:54
512.65:175:53
612.65:175:51
712.55:185:50
812.55:195:48
912.55:205:47
1012.45:205:46
1112.45:215:44
1212.45:225:43
1312.35:225:41
1412.35:235:40
1512.25:245:38
1612.25:245:37
1712.25:255:35
1812.15:265:34
1912.15:275:33
2012.15:275:31
2112.05:285:30
2212.05:295:28
2312.05:295:27
2411.95:305:25
2511.95:315:24
2611.85:325:22
2711.85:325:21
2811.85:335:20
2911.75:345:18
3011.75:355:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.22 kWh/m².

For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 8.19 kWh/m² in June across the year — September's 6.22 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.8Intense
46.8Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.3Intense
156.3Intense
166.2Intense
176.2Intense
186.1Intense
196.1Intense
206.0Intense
216.0Bright
225.9Bright
235.8Bright
245.8Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Zahle?

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

8.1
Sightseeing
4th-best month of the year
9.1
Beach & pool
3rd-best month of the year

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

What to pack for Zahle in September

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

In September, Zahle sees daytime highs around 28°C and nights near 15°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Zahle in September

The nearest coast averages about 28°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 40 km away) is warmest in August at about 28°C and coldest in February near 17°C.

It's comfortable for a long swim from May 3 to Dec 23 — about 7.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb17Cool
Mar17Cool
Apr19Cool
May21Refreshing
Jun25Warm
Jul27Warm
Aug28Tropical
Sep28Warm
Oct26Warm
Nov23Refreshing
Dec21Refreshing

UV index in Zahle 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 Zahle peaks around June 20 at about 12 (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 highHighModerateJun 20UV 12Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Zahle 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 Zahle is worst in November — around 41 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (July, 22 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Zahle's WHO annual average of 33 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorNov 2241 µg/m³Jul 2222 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb40Poor
Mar36Poor
Apr38Poor
May31Moderate
Jun25Moderate
Jul22Moderate
Aug22Moderate
Sep29Moderate
Oct36Poor
Nov41Poor
Dec40Poor
Location & terrain

Where is Zahle?

Zahle sits at 33.8°N, 35.9°E, 963 m above sea level, in Lebanon. The nearest listed city is Chmistâr, 17 km away.

ChmistârAz ZabadānīAleyJouniehBaalbekBeirutByblosRa’s Bayrūt

Topography around Zahle

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

Within 3 km, the terrain around Zahle has significant variations in elevation — a maximum elevation change of 545 m around an average of 1,062 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,938 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,079 m.

The land around Zahle is covered by grassland (43%) and artificial surfaces (27%) within 3 km, grassland (51%) within 16 km, and grassland (38%) and water (21%) within 80 km.

3 km
545 m
16 km
1,938 m
80 km
3,079 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Chmistâr 17 km · Az Zabadānī 23 km · Aley 28 km · Jounieh 30 km · Baalbek 34 km · Beirut 37 km · Byblos 38 km · Ra’s Bayrūt 39 km

Lebanon travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / G
220 V · 50 Hz
Prices
≈ 38% of US
price level, 2024
GDP per capita
$4,473
2024
Happiness
3.7 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
2.2
per 100k, 2020
Road deaths
16.4
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 477
Religion
Muslim 68%Christian 32%Druze 5%

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 Zahle (33.8468°, 35.902°, elevation 963 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).