Sennar weather in September

In September, Sennar sees average daytime highs of 35°C and overnight lows near 25°C, with 50 mm of rain across 11.2 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 34°C in the first days to 36°C by the end. The sky is clear or mostly clear about 42% 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 Sennar's 10th-clearest and 11th-windiest month. For the whole year in context, see Sennar's year-round climate.

Daytime high
35°
8th warmest
Overnight low
25°
7th coldest
Rainfall
50 mm
11.2 wet days
Daylight
12 h 06 min
6:38 AM – 6:42 PM
Cloud cover
49%
10th clearest
Wind
10 km/h
11th windiest
Solar energy
5.93 kWh/m²
Travel score
2.4
out of 10

Sennar is Town in Sennar State, 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 34°C in the first days to 36°C by the end.

A typical September day in Sennar reaches about 35°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 32°C and 38°C. Set against its neighbours, September runs about 2°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
53424
63424
73424
83424
93424
103524
113524
123525
133525
143525
153525
163525
173525
183525
193625
203625
213625
223625
233625
243625
253625
263625
273625
283625
293625
303725

How September really feels in Sennar

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
4 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.

Sennar weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 20°0011.34.4
Feb36° / 21°0011.52.9
Mar39° / 24°10.111.90.9
Apr41° / 27°20.812.30.0
May40° / 28°195.212.60.1
Jun38° / 27°277.712.80.9
Jul35° / 25°7315.512.72.2
Aug33° / 24°9516.112.52.9
Sep35° / 25°5011.212.12.4
Oct37° / 25°236.411.71.6
Nov37° / 24°10.211.42.1
Dec34° / 21°0011.23.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 26% of September, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25842
35842
45941
56040
66139
76238
86238
96337
106436
116535
126535
136634
146733
156733
166832
176931
187030
197129
207129
217129
227327
237327
247426
257525
267525
277624
287723
297723
307822

Chance of precipitation in September

Any precipitation

Sennar gets around 50 mm of rain over 11.2 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 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
149
249
349
448
548
647
747
846
945
1044
1143
1241
1340
1439
1537
1636
1735
1834
1932
2031
2130
2230
2329
2429
2528
2628
2728
2828
2928
3028

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10024355
20024454
30034453
40034552
50034651
60034651
70034750
80034849
90034848
100034947
110035146
120035245
130035443
140045442
150045640
160045838
170045937
180056035
190056233
200166132
210166330
220176428
231186426
241196425
2512106423
2612106621
2712116620
2812126718
2913136617
3013136716

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
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 6:37 AM to 6:38 AM, and sunset from 6:53 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:376:53
212.36:386:53
312.26:386:52
412.26:386:51
512.26:386:51
612.26:386:50
712.26:386:49
812.26:386:48
912.26:386:48
1012.26:386:47
1112.16:386:46
1212.16:386:45
1312.16:386:45
1412.16:386:44
1512.16:386:43
1612.16:386:42
1712.16:386:42
1812.06:386:41
1912.06:386:40
2012.06:386:39
2112.06:386:38
2212.06:386:38
2312.06:386:37
2412.06:386:36
2512.06:386:35
2611.96:386:35
2711.96:386:34
2811.96:386:33
2911.96:386:33
3011.96:386:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.93 kWh/m².

For context, solar energy here swings from a low near 5.47 kWh/m² to a high of 7.37 kWh/m² in April across the year — September's 5.93 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
305.9Bright
Planning a trip in September

Hazard calendar for Sennar

In seasonPeak

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

Sennar 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 Sennar?

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

2.4
Sightseeing
5th-best month of the year
5.2
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Sennar.

What to pack for Sennar in September

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

In September, Sennar sees daytime highs around 35°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Sennar 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 Sennar peaks around March 20 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 20UV 13Dec 12UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul9Very high
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Sennar 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 Sennar 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 Sennar?

Sennar sits at 13.6°N, 33.6°E, 427 m above sea level, in Sudan. The nearest listed city is Maiurno, 20 km away.

Topography around Sennar

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

Within 3 km, the terrain around Sennar has only modest variations in elevation — a maximum elevation change of 28 m around an average of 424 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 55 m; within 80 km, significant variations in elevation — a maximum elevation change of 276 m.

The land around Sennar is covered by cropland (37%) and grassland (31%) within 3 km, cropland (73%) within 16 km, and cropland (84%) within 80 km.

3 km
28 m
16 km
55 m
80 km
276 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Maiurno 20 km · Umm Shawkah 35 km · As Sūkī 44 km · Singa 61 km · Ad-Dindar 63 km · Kināna 67 km · Al-Fāw 82 km · Wad Medani 93 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 Sennar (13.5691°, 33.5672°, elevation 427 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).