Aleppo weather in September

In September, Aleppo sees average daytime highs of 34°C and overnight lows near 20°C, with 3 mm of rain across 0.8 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 31°C by the end. The sky is clear or mostly clear about 94% of the time in September, and the air most often feels humid.

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 Aleppo's 4th-clearest and 5th-windiest month. For the whole year in context, see Aleppo's year-round climate.

Daytime high
34°
4th warmest
Overnight low
20°
9th coldest
Rainfall
3 mm
0.8 wet days
Daylight
12 h 12 min
5:19 AM – 5:32 PM
Cloud cover
10%
4th clearest
Wind
14 km/h
5th windiest
Solar energy
5.81 kWh/m²
Travel score
4.4
out of 10

Aleppo is city in Aleppo Governorate, Syria.

Density
11,043/km²
people per km²
Founded
~5000 BCE

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 35°C in the first days to 31°C by the end.

A typical September day in Aleppo reaches about 34°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°C. Set against its neighbours, September runs about 3°C cooler than August and about 6°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13622
23622
33521
43521
53521
63521
73521
83521
93521
103421
113420
123420
133420
143420
153420
163420
173320
183320
193319
203319
213319
223319
233219
243219
253219
263218
273218
283218
293118
303118

How September really feels in Aleppo

Once humidity and wind are folded in, September averages 25 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
25
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.

Aleppo weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 569.80.69.83.0
Feb14° / 488.80.410.64.0
Mar18° / 407.70.111.76.3
Apr23° / 12°256012.97.7
May29° / 16°193.6013.96.5
Jun34° / 20°30.9014.44.0
Jul37° / 23°10.1014.22.3
Aug37° / 23°10.3013.42.2
Sep34° / 20°30.8012.24.4
Oct28° / 15°194011.17.2
Nov19° / 335.9010.17.0
Dec13° / 559.10.29.63.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 94% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 5% 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
11991
12991
13991
14991
15991
16991
17991
18991
19991
20982
21982
22982
23973
24973
25973
26973
27973
28964
29955
30955

Chance of precipitation in September

Any precipitation

Aleppo gets around 3 mm of rain over 0.8 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 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
132
142
152
162
172
183
193
203
213
224
234
244
254
265
275
285
295
305

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
113224817
215224716
316224715
417234614
519234613
620244511
721244410
82225439
92425438
102526428
112627407
122728396
132829385
142929375
153030354
163131344
173232334
183332324
193433303
203533293
213634283
223734263
233835252
244035232
254235212
264335202
274535182
284735171
294835161
305035141

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2612light breeze
2712light breeze
2812light breeze
2912calm
3012calm

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 5:07 AM to 5:30 AM, and sunset from 5:55 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:075:55
212.85:085:54
312.75:085:52
412.75:095:51
512.75:105:49
612.65:115:48
712.65:125:46
812.55:125:45
912.55:135:43
1012.55:145:42
1112.45:155:40
1212.45:165:39
1312.35:165:37
1412.35:175:36
1512.35:185:34
1612.25:195:32
1712.25:205:31
1812.15:215:29
1912.15:215:28
2012.15:225:26
2112.05:235:25
2212.05:245:23
2312.05:255:22
2411.95:255:20
2511.95:265:19
2611.85:275:17
2711.85:285:15
2811.85:295:14
2911.75:305:12
3011.75:305:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.81 kWh/m².

For context, solar energy here swings from a low near 2.19 kWh/m² to a high of 7.85 kWh/m² in June across the year — September's 5.81 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.1Intense
116.0Intense
126.0Intense
136.0Bright
145.9Bright
155.8Bright
165.8Bright
175.7Bright
185.7Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Aleppo?

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

4.4
Sightseeing
6th-best month of the year
8.0
Beach & pool
2nd-best month of the year

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

What to pack for Aleppo in September

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

In September, Aleppo sees daytime highs around 34°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Aleppo 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 Aleppo peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 highHighModerateJun 21UV 10Jan 12UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Aleppo 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 Aleppo is worst in March — around 41 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (July, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1840 µg/m³Jul 2024 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb37Poor
Mar41Poor
Apr38Poor
May34Moderate
Jun28Moderate
Jul24Moderate
Aug26Moderate
Sep29Moderate
Oct33Moderate
Nov33Moderate
Dec32Moderate
Location & terrain

Where is Aleppo?

Aleppo sits at 36.2°N, 37.2°E, 401 m above sea level, in Syria. The nearest listed city is As Safīrah, 23 km away.

Ad DānāAl BābTādifBatabo‘Afrīn

Topography around Aleppo

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

Within 3 km, the terrain around Aleppo has only modest variations in elevation — a maximum elevation change of 86 m around an average of 394 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 269 m; within 80 km, large variations in elevation — a maximum elevation change of 1,179 m.

The land around Aleppo is covered by artificial surfaces (87%) within 3 km, cropland (54%), artificial surfaces (23%) and grassland (21%) within 16 km, and cropland (62%) and grassland (27%) within 80 km.

3 km
86 m
16 km
269 m
80 km
1,179 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: As Safīrah 23 km · Nubl 25 km · Tall Rif‘at 31 km · Ad Dānā 35 km · Al Bāb 37 km · Tādif 37 km · Batabo 39 km · ‘Afrīn 43 km

Syria travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E / L
220 V · 50 Hz
Prices
≈ 32% of US
price level, 2022
GDP per capita
$1,057
2022
Happiness
3.5 / 10
World Happiness, 2018
Homicide rate
2.1
per 100k, 2010
Road deaths
14.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 456
Religion
Muslim 87%Christian 10%Druze 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 Aleppo (36.2012°, 37.1612°, elevation 401 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).