Kassala weather in September

In September, Kassala sees average daytime highs of 36°C and overnight lows near 25°C, with 24 mm of rain across 6.4 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 34°C in the first days to 37°C by the end. The sky is clear or mostly clear about 63% 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 Kassala's 10th-clearest and 10th-windiest month. For the whole year in context, see Kassala's year-round climate.

Daytime high
36°
7th warmest
Overnight low
25°
9th coldest
Rainfall
24 mm
6.4 wet days
Daylight
12 h 06 min
6:26 AM – 6:31 PM
Cloud cover
37%
10th clearest
Wind
11 km/h
10th windiest
Solar energy
6.18 kWh/m²
Travel score
2.3
out of 10

Kassala is capital of the state of Kassala in Sudan.

Founded
1840

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 34°C in the first days to 37°C by the end.

A typical September day in Kassala reaches about 36°C in the afternoon and slips back to 25°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 38°C. Set against its neighbours, September runs about 3°C warmer than August and about 2°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53524
63524
73524
83524
93524
103525
113525
123625
133625
143625
153625
163625
173625
183625
193725
203725
213725
223725
233725
243725
253725
263725
273725
283725
293725
303725

How September really feels in Kassala

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.

Kassala weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 18°00.111.24.9
Feb35° / 19°0011.53.7
Mar37° / 21°0011.92.0
Apr40° / 25°10.412.30.3
May40° / 27°71.712.70.0
Jun39° / 27°102.812.90.8
Jul35° / 25°6112.212.82.4
Aug33° / 24°721312.53.2
Sep36° / 25°246.412.12.3
Oct37° / 25°51.511.61.7
Nov36° / 23°10.111.32.6
Dec34° / 19°0011.14.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
27030
37030
47129
57228
67426
77525
87723
97822
107921
118020
128218
138317
148416
158515
168713
178713
188911
199010
209010
21919
22919
23919
24928
25928
26928
27928
28937
29937
30937

Chance of precipitation in September

Any precipitation

Kassala gets around 24 mm of rain over 6.4 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 21% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
334
433
532
631
730
829
928
1027
1126
1225
1324
1423
1521
1620
1719
1818
1917
2016
2115
2214
2313
2412
2512
2611
2710
2810
299
309

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10057025
20057124
30067123
40167122
50177121
60187120
70197218
801117117
902127016
1002146915
1103156814
1204176613
1304196611
1415216310
151623619
161725598
172827567
182929546
1931030516
2041132475
2151334445
2261435414
2371536384
2491637353
25101737323
26121838303
27141938272
28152037252
29172137232
30192236221

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
712light breeze
812light breeze
912light breeze
1012calm
1112calm
1212calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
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 6:25 AM to 6:27 AM, and sunset from 6:43 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:256:43
212.36:256:42
312.36:256:42
412.36:256:41
512.26:256:40
612.26:256:39
712.26:266:39
812.26:266:38
912.26:266:37
1012.26:266:36
1112.26:266:35
1212.16:266:35
1312.16:266:34
1412.16:266:33
1512.16:266:32
1612.16:266:31
1712.16:266:30
1812.16:266:30
1912.06:266:29
2012.06:266:28
2112.06:276:27
2212.06:276:26
2312.06:276:26
2412.06:276:25
2512.06:276:24
2611.96:276:23
2711.96:276:22
2811.96:276:22
2911.96:276:21
3011.96:276:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.18 kWh/m².

For context, solar energy here swings from a low near 5.46 kWh/m² to a high of 7.4 kWh/m² in April across the year — September's 6.18 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Kassala

In seasonPeak

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

Kassala sees seasonal dust haze (June–August), heaviest in July.

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

Is September a good time to visit Kassala?

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

2.3
Sightseeing
7th-best month of the year
5.5
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Kassala.

What to pack for Kassala in September

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

In September, Kassala sees daytime highs around 36°C and nights near 25°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Kassala 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 Kassala peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highApr 12UV 13Dec 13UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May11Extreme
Jun11Extreme
Jul9Very high
Aug10Very high
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Kassala 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 Kassala is worst in March — around 29 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1629 µg/m³Oct 2116 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar29Moderate
Apr25Moderate
May23Moderate
Jun21Moderate
Jul19Moderate
Aug18Moderate
Sep17Moderate
Oct16Moderate
Nov16Moderate
Dec18Moderate
Location & terrain

Where is Kassala?

Kassala sits at 15.5°N, 36.4°E, 507 m above sea level, in Sudan. The nearest listed city is Khashm al Qirbah, 75 km away.

HimoraAl-FashaqahBarentuAdebayeAbalaMay Cadera

Topography around Kassala

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

Within 3 km, the terrain around Kassala has only modest variations in elevation — a maximum elevation change of 223 m around an average of 509 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 709 m; within 80 km, large variations in elevation — a maximum elevation change of 986 m.

The land around Kassala is covered by artificial surfaces (35%) and bare terrain (31%) within 3 km, grassland (57%) and bare terrain (25%) within 16 km, and grassland (57%) and bare terrain (31%) within 80 km.

3 km
223 m
16 km
709 m
80 km
986 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Khashm al Qirbah 75 km · New Halfa 87 km · Himora 129 km · Al-Fashaqah 130 km · Barentu 133 km · Adebaye 144 km · Abala 150 km · May Cadera 154 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 Kassala (15.451°, 36.4°, elevation 507 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).