As Sūkī weather in September

In September, As Sūkī sees average daytime highs of 34°C and overnight lows near 24°C, with 57 mm of rain across 11.1 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 33°C in the first days to 36°C by the end. The sky is clear or mostly clear about 40% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is As Sūkī's 10th-clearest and 11th-windiest month. For the whole year in context, see As Sūkī's year-round climate.

Daytime high
34°
10th warmest
Overnight low
24°
6th coldest
Rainfall
57 mm
11.1 wet days
Daylight
12 h 06 min
6:37 AM – 6:41 PM
Cloud cover
50%
10th clearest
Wind
9 km/h
11th windiest
Solar energy
5.9 kWh/m²
Travel score
2.8
out of 10

As Sūkī is city in Sudan.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 33°C in the first days to 36°C by the end.

A typical September day in As Sūkī reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103424
113424
123424
133424
143424
153424
163424
173424
183524
193524
203524
213525
223525
233525
243525
253525
263625
273625
283625
293625
303625

How September really feels in As Sūkī

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.

As Sūkī weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 20°0011.33.9
Feb36° / 22°0011.62.4
Mar39° / 24°10.211.90.5
Apr41° / 27°30.812.30.0
May40° / 28°225.612.60.1
Jun38° / 27°399.512.81.0
Jul34° / 25°911712.72.3
Aug32° / 24°11717.812.43.1
Sep34° / 24°5711.112.12.8
Oct37° / 25°25711.71.8
Nov37° / 24°10.311.41.8
Dec35° / 21°0011.23.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25248
35446
45446
55545
65644
75743
85842
96040
106139
116238
126337
136436
146535
156634
166733
176832
186931
197030
207129
217129
227228
237228
247426
257426
267426
277525
287624
297624
307624

Chance of precipitation in September

Any precipitation

As Sūkī gets around 57 mm of rain over 11.1 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 38% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
151
250
349
449
548
647
746
845
944
1043
1142
1240
1339
1438
1537
1635
1734
1833
1932
2031
2130
2230
2329
2429
2529
2629
2729
2829
2929
3030

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1012673
2012772
3012871
4012970
5013069
6013069
7013168
8013267
9013366
10013465
11023563
12023662
13023761
14023860
15023959
16034057
17034156
18134353
19134452
20144650
21144748
22154946
23155143
24265141
25275239
26275437
27285535
28285733
29295831
30395929

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 6:36 AM to 6:37 AM, and sunset from 6:52 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:366:52
212.26:366:51
312.26:366:51
412.26:366:50
512.26:366:49
612.26:366:48
712.26:376:48
812.26:376:47
912.26:376:46
1012.16:376:45
1112.16:376:45
1212.16:376:44
1312.16:376:43
1412.16:376:42
1512.16:376:42
1612.16:376:41
1712.16:376:40
1812.06:376:39
1912.06:376:39
2012.06:376:38
2112.06:376:37
2212.06:376:36
2312.06:376:36
2412.06:376:35
2512.06:376:34
2611.96:376:34
2711.96:376:33
2811.96:376:32
2911.96:376:31
3011.96:376:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.9 kWh/m².

For context, solar energy here swings from a low near 5.34 kWh/m² to a high of 7.3 kWh/m² in April across the year — September's 5.9 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for As Sūkī

In seasonPeak

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

As Sūkī sees seasonal dust haze (April), heaviest in April.

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

Is September a good time to visit As Sūkī?

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

2.8
Sightseeing
4th-best month of the year
5.6
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in As Sūkī.

What to pack for As Sūkī in September

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

In September, As Sūkī sees daytime highs around 34°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in As Sūkī in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in As Sūkī peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 highMar 19UV 13Dec 12UV 8
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul9Very high
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in As Sūkī 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 As Sūkī is worst in March — around 41 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (August, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1841 µg/m³Aug 1518 µg/m³
PM2.5 (µg/m³)Level
Jan35Moderate
Feb36Poor
Mar41Poor
Apr38Poor
May25Moderate
Jun23Moderate
Jul20Moderate
Aug18Moderate
Sep21Moderate
Oct21Moderate
Nov21Moderate
Dec26Moderate
Location & terrain

Where is As Sūkī?

As Sūkī sits at 13.3°N, 33.9°E, 428 m above sea level, in Sudan. The nearest listed city is Umm Shawkah, 13 km away.

Kināna

Topography around As Sūkī

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

Within 3 km, the terrain around As Sūkī has only modest variations in elevation — a maximum elevation change of 15 m around an average of 429 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, significant variations in elevation — a maximum elevation change of 272 m.

The land around As Sūkī is covered by cropland (42%) within 3 km, cropland (74%) within 16 km, and cropland (83%) within 80 km.

3 km
15 m
16 km
21 m
80 km
272 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Umm Shawkah 13 km · Singa 19 km · Ad-Dindar 23 km · Maiurno 26 km · Sennar 44 km · Al Ḩawātah 82 km · Al-Fāw 91 km · Kināna 111 km

Sudan travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / F / G
230 V · 50 Hz
Prices
≈ 215% of US
price level, 2025
GDP per capita
$1,165
2025
Happiness
4.1 / 10
World Happiness, 2017
Homicide rate
5.1
per 100k, 2008
Road deaths
26.8
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 421

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 As Sūkī (13.3167°, 33.8833°, elevation 428 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).