Arar weather in September

In September, Arar sees average daytime highs of 38°C and overnight lows near 23°C, with 0 mm of rain across 0 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 40°C in the first days to 35°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 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 Arar's 3rd-clearest and 9th-windiest month. For the whole year in context, see Arar's year-round climate.

Daytime high
38°
4th warmest
Overnight low
23°
9th coldest
Rainfall
0 mm
0 wet days
Daylight
12 h 12 min
6:05 AM – 6:16 PM
Cloud cover
3%
3rd clearest
Wind
13 km/h
9th windiest
Solar energy
6.49 kWh/m²
Travel score
1.8
out of 10

Arar is capital of Northern Borders Province, Saudi Arabia.

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 40°C in the first days to 35°C by the end.

A typical September day in Arar reaches about 38°C in the afternoon and slips back to 23°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 41°C. Set against its neighbours, September runs about 3°C cooler than August and about 7°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
14025
24025
34025
43925
53925
63924
73924
83924
93924
103924
113824
123824
133823
143823
153823
163823
173723
183723
193722
203722
213722
223622
233622
243622
253621
263621
273521
283521
293521
303521

How September really feels in Arar

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
6 feel dangerously hot (≥ 39°C)
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.

Arar 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
Jan15° / 112.710.25.5
Feb17° / 102.410.97.1
Mar22° / 10°81.911.88.6
Apr28° / 15°71.512.77.5
May34° / 20°20.313.54.0
Jun39° / 24°00141.0
Jul41° / 26°0013.80.0
Aug41° / 26°0013.10.0
Sep38° / 23°0012.21.8
Oct31° / 18°30.811.26.0
Nov22° / 10°122.210.48.3
Dec16° / 122.2106.5

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
27982
28982
29982
30982

Chance of precipitation in September

Any precipitation

Arar 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
5991
6991
7991
8991
9991
10991
11991
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
28991
29991
30991

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 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
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 5:56 AM to 6:13 AM, and sunset from 6:35 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:566:35
212.65:566:34
312.65:576:33
412.65:586:32
512.55:586:30
612.55:596:29
712.55:596:28
812.46:006:26
912.46:006:25
1012.46:016:24
1112.36:026:22
1212.36:026:21
1312.36:036:20
1412.26:036:18
1512.26:046:17
1612.26:056:16
1712.26:056:14
1812.16:066:13
1912.16:066:12
2012.16:076:10
2112.06:086:09
2212.06:086:08
2312.06:096:06
2411.96:096:05
2511.96:106:04
2611.96:116:02
2711.86:116:01
2811.86:126:00
2911.86:135:58
3011.76:135:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.49 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 8.08 kWh/m² in June across the year — September's 6.49 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
46.9Intense
56.9Intense
66.9Intense
76.8Intense
86.8Intense
96.7Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.5Intense
156.5Intense
166.5Intense
176.4Intense
186.4Intense
196.3Intense
206.3Intense
216.3Intense
226.2Intense
236.2Intense
246.2Intense
256.1Intense
266.1Intense
276.0Intense
286.0Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Arar

In seasonPeak

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

Arar sees seasonal dust haze (March–October), heaviest in May.

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

Is September a good time to visit Arar?

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

1.8
Sightseeing
9th-best month of the year
5.4
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Arar.

What to pack for Arar in September

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

In September, Arar sees daytime highs around 38°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Arar 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 Arar peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 highHighModerateJul 12UV 11Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar7High
Apr6High
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep9Very high
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Arar 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 Arar is worst in May — around 86 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (November, 47 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorMay 1584 µg/m³Nov 2347 µg/m³
PM2.5 (µg/m³)Level
Jan54Poor
Feb60Unhealthy
Mar83Unhealthy
Apr77Unhealthy
May86Unhealthy
Jun72Unhealthy
Jul65Unhealthy
Aug62Unhealthy
Sep60Unhealthy
Oct65Unhealthy
Nov47Poor
Dec48Poor
Location & terrain

Where is Arar?

Arar sits at 31.0°N, 41.0°E, 555 m above sea level, in Saudi Arabia. The nearest listed city is Sakakah, 137 km away.

SakakahTuraifŢurayfAr RuţbahŢubarjalNajafKarbalaAl Mishkhāb

Topography around Arar

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

Within 3 km, the terrain around Arar has only modest variations in elevation — a maximum elevation change of 55 m around an average of 543 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, significant variations in elevation — a maximum elevation change of 446 m.

The land around Arar is covered by artificial surfaces (53%) and bare terrain (44%) within 3 km, bare terrain (94%) within 16 km, and bare terrain (100%) within 80 km.

3 km
55 m
16 km
124 m
80 km
446 m
croplandartificial surfacesbare terrain
September weather nearby: Sakakah 137 km · Turaif 238 km · Ţurayf 239 km · Ar Ruţbah 240 km · Ţubarjal 275 km · Najaf 335 km · Karbala 336 km · Al Mishkhāb 340 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 Arar (30.9753°, 41.0381°, elevation 555 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).