Al Mash‘ilīyah weather in September

In September, Al Mash‘ilīyah sees average daytime highs of 37°C and overnight lows near 21°C, with 0 mm of rain across 0 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 11th-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 78% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Al Mash‘ilīyah's 6th-clearest and 5th-windiest month. For the whole year in context, see Al Mash‘ilīyah's year-round climate.

Daytime high
37°
5th warmest
Overnight low
21°
8th coldest
Rainfall
0 mm
0 wet days
Daylight
12 h 06 min
5:53 AM – 5:59 PM
Cloud cover
21%
6th clearest
Wind
12 km/h
5th windiest
Solar energy
6.73 kWh/m²
Travel score
2.4
out of 10

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 Al Mash‘ilīyah reaches about 37°C in the afternoon and slips back to 21°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 38°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
13923
23923
33823
43823
53823
63823
73823
83822
93822
103822
113722
123722
133722
143721
153721
163721
173621
183621
193621
203620
213620
223620
233520
243520
253520
263519
273519
283419
293419
303419

How September really feels in Al Mash‘ilīyah

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.

Al Mash‘ilīyah weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 10°10.311.19.3
Feb28° / 13°10.411.48.3
Mar31° / 17°61.211.95.9
Apr34° / 20°6212.43.9
May37° / 22°20.512.82.1
Jun39° / 23°10.1130.9
Jul40° / 25°10.1130.3
Aug39° / 25°20.312.60.4
Sep37° / 21°0012.12.4
Oct31° / 16°20.311.65.9
Nov28° / 13°10.111.28.6
Dec25° / 11°00119.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 7%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
28911
38911
49010
59010
69010
79010
89010
99010
10919
11919
12919
13919
14928
15928
16928
17937
18937
19937
20946
21946
22955
23955
24955
25973
26973
27973
28973
29973
30973

Chance of precipitation in September

Any precipitation

Al Mash‘ilīyah gets around 0 mm of rain over 0 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 0% 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
230
240
250
260
270
280
290
300

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
22991
23991
24991
25991
26991
27991
28991
29991
30991

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over September. Sunrise moves from 5:51 AM to 5:56 AM, and sunset from 6:12 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:12
212.35:516:12
312.35:526:11
412.35:526:10
512.35:526:09
612.35:526:08
712.35:526:07
812.25:526:06
912.25:526:06
1012.25:536:05
1112.25:536:04
1212.25:536:03
1312.25:536:02
1412.15:536:01
1512.15:536:00
1612.15:535:59
1712.15:545:59
1812.15:545:58
1912.05:545:57
2012.05:545:56
2112.05:545:55
2212.05:545:54
2312.05:555:53
2412.05:555:52
2511.95:555:51
2611.95:555:51
2711.95:555:50
2811.95:555:49
2911.95:565:48
3011.95:565:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.73 kWh/m².

For context, solar energy here swings from a low near 5.41 kWh/m² to a high of 7.57 kWh/m² in May across the year — September's 6.73 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Al Mash‘ilīyah

In seasonPeak

In September, Al Mash‘ilīyah sits inside its dust season. The full year is below, with each hazard's peak months called out.

Al Mash‘ilīyah sees seasonal dust haze (February–September), heaviest in July.

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

Is September a good time to visit Al Mash‘ilīyah?

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

2.4
Sightseeing
8th-best month of the year
6.0
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Al Mash‘ilīyah.

What to pack for Al Mash‘ilīyah in September

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

In September, Al Mash‘ilīyah sees daytime highs around 37°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Al Mash‘ilīyah 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 Al Mash‘ilīyah peaks around April 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highApr 14UV 14Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep10Very high
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Al Mash‘ilīyah 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 Al Mash‘ilīyah is worst in February — around 81 µg/m³ PM2.5 (unhealthy), about 2.2× the cleanest month (October, 37 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorFeb 1779 µg/m³Oct 1938 µg/m³
PM2.5 (µg/m³)Level
Jan69Unhealthy
Feb81Unhealthy
Mar73Unhealthy
Apr69Unhealthy
May60Unhealthy
Jun64Unhealthy
Jul73Unhealthy
Aug64Unhealthy
Sep48Poor
Oct37Poor
Nov42Poor
Dec50Poor
Location & terrain

Where is Al Mash‘ilīyah?

Al Mash‘ilīyah sits at 17.8°N, 44.5°E, 1,134 m above sea level, in Saudi Arabia. The nearest listed city is Najran, 46 km away.

Sarāt ‘AbīdahFayfā’Al ḨazmḐamadKhamis MushaitAbū ‘Arīsh

Topography around Al Mash‘ilīyah

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Al Mash‘ilīyah.

Within 3 km, the terrain around Al Mash‘ilīyah has only modest variations in elevation — a maximum elevation change of 98 m around an average of 1,164 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 382 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,350 m.

The land around Al Mash‘ilīyah is covered by bare terrain (90%) within 3 km, bare terrain (98%) within 16 km, and bare terrain (99%) within 80 km.

3 km
98 m
16 km
382 m
80 km
1,350 m
artificial surfacesbare terrain
September weather nearby: Najran 46 km · Sa'dah 117 km · Sarāt ‘Abīdah 146 km · Fayfā’ 151 km · Al Ḩazm 180 km · Ḑamad 193 km · Khamis Mushait 193 km · Abū ‘Arīsh 194 km

Saudi Arabia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type G
230 V · 60 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$34,537
2025
Happiness
6.8 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2019
Road deaths
35.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 404

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 Al Mash‘ilīyah (17.7556°, 44.468°, elevation 1,134 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).