Khartoum weather in September

In September, Khartoum sees average daytime highs of 38°C and overnight lows near 27°C, with 10 mm of rain across 2.7 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 38°C through the month. The sky is clear or mostly clear about 71% of the time in September, and the air most often feels muggy.

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 Khartoum's 10th-clearest and 11th-windiest month. For the whole year in context, see Khartoum's year-round climate.

Daytime high
38°
4th warmest
Overnight low
27°
10th coldest
Rainfall
10 mm
2.7 wet days
Daylight
12 h 06 min
6:42 AM – 6:47 PM
Cloud cover
33%
10th clearest
Wind
13 km/h
11th windiest
Solar energy
6.37 kWh/m²
Travel score
1.1
out of 10

Khartoum is capital city of Sudan.

Density
66/km²
people per km²

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 38°C through the month.

A typical September day in Khartoum reaches about 38°C in the afternoon and slips back to 27°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 36°C and 40°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

25°30°35°40°45°151015202530
Avg high (°C)Avg low (°C)
13727
23727
33827
43827
53827
63827
73827
83827
93827
103827
113827
123827
133827
143827
153827
163827
173827
183928
193928
203928
213928
223928
233928
243928
253928
263928
273928
283928
293928
303928

How September really feels in Khartoum

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
26 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.

Khartoum weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 17°0011.26.9
Feb32° / 18°0011.55.2
Mar36° / 21°0011.92.8
Apr39° / 25°00.112.30.5
May41° / 28°31.212.70.0
Jun40° / 28°31.212.90.1
Jul38° / 27°204.912.81.3
Aug37° / 27°245.912.51.9
Sep38° / 27°102.712.11.1
Oct38° / 27°4111.61.1
Nov35° / 22°0011.33.7
Dec31° / 18°0011.16.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27921
38020
48020
58119
68218
78218
88317
98416
108416
118515
128515
138614
148614
158713
168812
178812
188812
198911
208911
218911
228911
238911
249010
25919
26919
27919
28919
29928
30928

Chance of precipitation in September

Any precipitation

Khartoum gets around 10 mm of rain over 2.7 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 9% and peaks near 12% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
111
211
311
411
512
612
712
812
912
1012
1111
1211
1311
1411
1510
1610
1710
189
199
208
218
227
237
246
256
266
276
286
295
305

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
178284611
288284511
389284410
499284410
5109284310
610928439
7111027429
8121027428
9131127418
10131127417
11141227407
12141328397
13151328386
14151428376
15161529365
16161529345
17171629334
18181730324
19181730314
20191830293
21201830283
22221930273
23231930253
24241930243
25252030233
26262030213
27282029203
28292029193
29302028183
30322028173

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012calm

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 6:40 AM to 6:43 AM, and sunset from 6:59 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:406:59
212.36:406:58
312.36:416:57
412.36:416:56
512.26:416:56
612.26:416:55
712.26:416:54
812.26:416:53
912.26:416:52
1012.26:416:52
1112.26:416:51
1212.16:416:50
1312.16:416:49
1412.16:416:48
1512.16:426:48
1612.16:426:47
1712.16:426:46
1812.16:426:45
1912.06:426:44
2012.06:426:43
2112.06:426:43
2212.06:426:42
2312.06:426:41
2412.06:426:40
2512.06:426:39
2611.96:426:39
2711.96:436:38
2811.96:436:37
2911.96:436:36
3011.96:436:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.37 kWh/m².

For context, solar energy here swings from a low near 5.59 kWh/m² to a high of 7.67 kWh/m² in April across the year — September's 6.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Khartoum

In seasonPeak

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

Khartoum sees seasonal dust haze (March–September), heaviest in June.

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

Is September a good time to visit Khartoum?

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

1.1
Sightseeing
8th-best month of the year
4.2
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Khartoum.

What to pack for Khartoum in September

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

In September, Khartoum sees daytime highs around 38°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Khartoum 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 Khartoum peaks around April 11 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highApr 11UV 12Dec 13UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul9Very high
Aug10Very high
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7Very high

Air quality in Khartoum 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 Khartoum is worst in March — around 73 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (August, 29 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyMar 1372 µg/m³Aug 1230 µg/m³
PM2.5 (µg/m³)Level
Jan71Unhealthy
Feb69Unhealthy
Mar73Unhealthy
Apr61Unhealthy
May56Unhealthy
Jun44Poor
Jul32Moderate
Aug29Moderate
Sep40Poor
Oct52Poor
Nov51Poor
Dec61Unhealthy
Location & terrain

Where is Khartoum?

Khartoum sits at 15.6°N, 32.5°E, 381 m above sea level, in Sudan. The nearest listed city is Khartoum North, 11 km away.

Al HilāliyyaAl HasaheisaRufā‘aAl Manāqil

Topography around Khartoum

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

Within 3 km, the terrain around Khartoum has only modest variations in elevation — a maximum elevation change of 14 m around an average of 384 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, only modest variations in elevation — a maximum elevation change of 190 m.

The land around Khartoum is covered by artificial surfaces (76%) within 3 km, artificial surfaces (45%), bare terrain (23%) and cropland (20%) within 16 km, and bare terrain (69%) within 80 km.

3 km
14 m
16 km
33 m
80 km
190 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Khartoum North 11 km · Omdurman 12 km · Al Qiţena 78 km · Al-Quṭaynah 96 km · Al Hilāliyya 101 km · Al Hasaheisa 121 km · Rufā‘a 126 km · Al Manāqil 153 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 Khartoum (15.5518°, 32.5324°, elevation 381 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).