Ṣuwayliḥ weather in September

In September, Ṣuwayliḥ sees average daytime highs of 32°C and overnight lows near 20°C, with 1 mm of rain across 0.2 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 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 98% of the time in September, and the air most often feels comfortable.

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 Ṣuwayliḥ's 4th-clearest and 10th-windiest month. For the whole year in context, see Ṣuwayliḥ's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
1 mm
0.2 wet days
Daylight
12 h 12 min
5:25 AM – 5:37 PM
Cloud cover
6%
4th clearest
Wind
6 km/h
10th windiest
Solar energy
6.24 kWh/m²
Travel score
5.3
out of 10

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 31°C by the end.

A typical September day in Ṣuwayliḥ reaches about 32°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13421
23421
33321
43321
53321
63321
73321
83321
93321
103320
113320
123320
133320
143320
153320
163220
173220
183220
193220
203220
213220
223219
233219
243219
253219
263119
273119
283119
293119
303119

How September really feels in Ṣuwayliḥ

Once humidity and wind are folded in, September averages 20 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
20
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.

Ṣuwayliḥ 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° / 487.610.15.0
Feb16° / 447.510.85.6
Mar20° / 10°305.711.87.3
Apr25° / 13°112.812.88.4
May29° / 17°40.913.67.1
Jun32° / 19°00.114.15.3
Jul34° / 21°0013.94.2
Aug34° / 22°0013.24.1
Sep32° / 20°10.212.25.3
Oct29° / 17°51.311.27.4
Nov22° / 12°153.510.48.2
Dec17° / 295.49.96.3

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 1% of September, with mostly cloudy or overcast conditions the remaining 1%.

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
21991
22991
23991
24991
25991
26982
27973
28973
29973
30973

Chance of precipitation in September

Any precipitation

Ṣuwayliḥ gets around 1 mm of rain over 0.2 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
181
191
201
211
221
231
241
251
261
271
281
291
301

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1632539
2733519
3734509
4835498
5936488
61037467
71138457
81139436
91240426
101342415
111343395
121444384
131546364
141547353
151648333
161649323
171750312
181851292
192050282
202151262
212350252
222450242
232650222
242849211
253148201
263347181
273646171
283845161
294044151
304243141

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:16 AM to 5:34 AM, and sunset from 5:57 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:165:57
212.75:165:56
312.65:175:54
412.65:185:53
512.65:185:52
612.55:195:50
712.55:195:49
812.55:205:48
912.45:215:46
1012.45:215:45
1112.45:225:44
1212.35:235:42
1312.35:235:41
1412.35:245:40
1512.25:255:38
1612.25:255:37
1712.25:265:35
1812.15:265:34
1912.15:275:33
2012.15:285:31
2112.05:285:30
2212.05:295:28
2312.05:305:27
2411.95:305:26
2511.95:315:24
2611.95:325:23
2711.85:325:22
2811.85:335:20
2911.85:345:19
3011.75:345:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.24 kWh/m².

For context, solar energy here swings from a low near 2.93 kWh/m² to a high of 8.06 kWh/m² in June across the year — September's 6.24 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
86.6Intense
96.5Intense
106.5Intense
116.4Intense
126.4Intense
136.3Intense
146.3Intense
156.3Intense
166.2Intense
176.2Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
Planning a trip in September

Is September a good time to visit Ṣuwayliḥ?

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

5.3
Sightseeing
8th-best month of the year
8.7
Beach & pool
4th-best month of the year

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

What to pack for Ṣuwayliḥ in September

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

In September, Ṣuwayliḥ sees daytime highs around 32°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ṣuwayliḥ in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ṣuwayliḥ peaks around June 19 at about 11 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 19UV 11Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May10Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Ṣuwayliḥ 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 Ṣuwayliḥ is worst in March — around 51 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (July, 31 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 2250 µg/m³Jul 2031 µg/m³
PM2.5 (µg/m³)Level
Jan46Poor
Feb50Poor
Mar51Poor
Apr50Poor
May43Poor
Jun35Moderate
Jul31Moderate
Aug32Moderate
Sep38Poor
Oct43Poor
Nov47Poor
Dec47Poor
Location & terrain

Where is Ṣuwayliḥ?

Ṣuwayliḥ sits at 32.0°N, 35.8°E, 981 m above sea level, in Jordan. The nearest listed city is Ḩayy Khildā, 3.0 km away.

Topography around Ṣuwayliḥ

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

Within 3 km, the terrain around Ṣuwayliḥ has significant variations in elevation — a maximum elevation change of 411 m around an average of 987 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,023 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,660 m.

The land around Ṣuwayliḥ is covered by artificial surfaces (64%) within 3 km, grassland (44%) and artificial surfaces (33%) within 16 km, and bare terrain (37%) and grassland (28%) within 80 km.

3 km
411 m
16 km
1,023 m
80 km
1,660 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ḩayy Khildā 3.0 km · Al Jubayhah 5.0 km · Al Fuḩayş 6.0 km · Wādī as Sīr 8.0 km · Māḩiş 8.0 km · As Salt 11 km · Amman 12 km · Marj Al Hamam 13 km

Jordan travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type B / C / D / F / G / J
230 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$5,348
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
1
per 100k, 2023
Road deaths
17
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 426
Religion
Muslim 97%Christian 2%Buddhist 0%Hindu 0%

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 Ṣuwayliḥ (32.0221°, 35.8439°, elevation 981 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).