Subaykhān weather in September

In September, Subaykhān sees average daytime highs of 36°C and overnight lows near 23°C, with 0 mm of rain across 0.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 38°C in the first days to 34°C by the end. The sky is clear or mostly clear about 98% 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 Subaykhān's 3rd-clearest and 7th-windiest month. For the whole year in context, see Subaykhān's year-round climate.

Daytime high
36°
4th warmest
Overnight low
23°
9th coldest
Rainfall
0 mm
0.1 wet days
Daylight
12 h 12 min
5:05 AM – 5:18 PM
Cloud cover
4%
3rd clearest
Wind
13 km/h
7th windiest
Solar energy
6.2 kWh/m²
Travel score
2.5
out of 10

Subaykhān is town in Deir ez-Zor, Syria.

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 38°C in the first days to 34°C by the end.

A typical September day in Subaykhān reaches about 36°C in the afternoon and slips back to 23°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 40°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
13926
23926
33925
43825
53825
63825
73825
83825
93824
103724
113724
123724
133724
143724
153724
163623
173623
183623
193623
203623
213622
223522
233522
243522
253522
263522
273421
283421
293421
303421

How September really feels in Subaykhān

Once humidity and wind are folded in, September averages 30 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
30
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.

Subaykhān weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 255.59.94.3
Feb16° / 194.310.75.9
Mar21° / 10°194.111.77.8
Apr27° / 15°122.512.97.9
May33° / 20°6113.84.6
Jun38° / 25°0014.31.5
Jul41° / 27°0014.10.0
Aug40° / 27°0013.30.1
Sep36° / 23°00.112.22.5
Oct30° / 18°101.911.16.4
Nov21° / 10°183.510.27.9
Dec15° / 234.59.75.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 98% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 2% 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
201000
211000
22991
23991
24991
25982
26973
27973
28973
29973
30964

Chance of precipitation in September

Any precipitation

Subaykhān gets around 0 mm of rain over 0.1 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
231
241
251
261
271
281
291
301

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
179201
280191
380191
480191
581181
681181
782171
883170
983170
1084160
1184160
1285150
1385150
1486140
1586140
1687130
1787130
1888120
1988120
2088120
2189110
2289110
2390100
2490100
259190
269190
279280
289280
299370
309370

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412calm
2512calm
2612calm
2712calm
2812calm
2911calm
3011calm

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 4:54 AM to 5:16 AM, and sunset from 5:40 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.84:545:40
212.74:555:39
312.74:565:37
412.74:575:36
512.64:575:35
612.64:585:33
712.54:595:32
812.55:005:30
912.55:005:29
1012.45:015:27
1112.45:025:26
1212.45:025:24
1312.35:035:23
1412.35:045:21
1512.35:055:20
1612.25:055:18
1712.25:065:17
1812.15:075:15
1912.15:085:14
2012.15:085:12
2112.05:095:11
2212.05:105:09
2312.05:115:08
2411.95:125:06
2511.95:125:05
2611.85:135:03
2711.85:145:02
2811.85:155:01
2911.75:154:59
3011.75:164:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.2 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 8.09 kWh/m² in June across the year — September's 6.2 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.7Intense
56.7Intense
66.6Intense
76.6Intense
86.5Intense
96.5Intense
106.5Intense
116.4Intense
126.4Intense
136.3Intense
146.3Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.0Intense
206.0Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Subaykhān

In seasonPeak

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

Subaykhān sees seasonal dust haze (March–June), heaviest in May.

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

Is September a good time to visit Subaykhān?

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

2.5
Sightseeing
9th-best month of the year
6.2
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Subaykhān. The water and warmth also suit a beach or pool day.

What to pack for Subaykhān in September

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

In September, Subaykhān sees daytime highs around 36°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Subaykhān in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Subaykhān peaks around June 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 16UV 10Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May7Very high
Jun10Very high
Jul8Very high
Aug9Very high
Sep6High
Oct5Moderate
Nov4Moderate
Dec3Moderate

Air quality in Subaykhān 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 Subaykhān is worst in July — around 62 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (November, 34 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorPoorJul 1761 µg/m³Nov 1935 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb42Poor
Mar53Poor
Apr53Poor
May59Unhealthy
Jun56Unhealthy
Jul62Unhealthy
Aug57Unhealthy
Sep46Poor
Oct43Poor
Nov34Moderate
Dec38Poor
Location & terrain

Where is Subaykhān?

Subaykhān sits at 34.9°N, 40.6°E, 188 m above sea level, in Syria. The nearest listed city is Al Mayādīn, 23 km away.

Ālbū KamālAl Qā’imDeir ez-Zor‘Anat al Qadīmah‘AnahḨadīthah

Topography around Subaykhān

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

Within 3 km, the terrain around Subaykhān has only modest variations in elevation — a maximum elevation change of 17 m around an average of 183 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, significant variations in elevation — a maximum elevation change of 287 m.

The land around Subaykhān is covered by cropland (54%) within 3 km, bare terrain (62%) and cropland (23%) within 16 km, and bare terrain (89%) within 80 km.

3 km
17 m
16 km
70 m
80 km
287 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Al Mayādīn 23 km · Hajīn 27 km · Ālbū Kamāl 53 km · Al Qā’im 62 km · Deir ez-Zor 68 km · ‘Anat al Qadīmah 130 km · ‘Anah 137 km · Ḩadīthah 181 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 Subaykhān (34.8531°, 40.5999°, elevation 188 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).