Tandaltī weather in September

In September, Tandaltī sees average daytime highs of 35°C and overnight lows near 24°C, with 47 mm of rain across 9.8 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 33°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 Tandaltī's 10th-clearest and 12th-windiest month. For the whole year in context, see Tandaltī's year-round climate.

Daytime high
35°
7th warmest
Overnight low
24°
7th coldest
Rainfall
47 mm
9.8 wet days
Daylight
12 h 06 min
6:45 AM – 6:49 PM
Cloud cover
49%
10th clearest
Wind
9 km/h
12th windiest
Solar energy
6.15 kWh/m²
Travel score
2.8
out of 10

Tandaltī is town 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 Tandaltī reaches about 35°C in the afternoon and slips back to 24°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 37°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)
13324
23324
33324
43324
53324
63424
73424
83424
93424
103424
113424
123424
133424
143424
153524
163524
173524
183524
193524
203524
213524
223524
233624
243624
253624
263624
273624
283624
293624
303624

How September really feels in Tandaltī

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.

Tandaltī 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
Jan31° / 17°0011.36.1
Feb33° / 19°0011.64.5
Mar37° / 22°0011.92.2
Apr39° / 25°10.512.30.5
May40° / 26°144.312.60.2
Jun38° / 26°277.112.81.2
Jul35° / 25°7514.412.72.5
Aug33° / 24°8614.212.43.3
Sep35° / 24°479.812.12.8
Oct37° / 25°154.111.71.8
Nov35° / 22°0011.43.3
Dec32° / 19°0011.25.5

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 25% 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 (%)
15941
26139
36139
46238
56337
66436
76436
86634
96634
106634
116733
126832
136832
146832
156832
166931
177030
187030
197030
207030
217030
226931
236931
247030
257030
267030
277129
287228
297228
307327

Chance of precipitation in September

Any precipitation

Tandaltī gets around 47 mm of rain over 9.8 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 32% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
236
336
436
536
636
736
835
935
1035
1134
1233
1333
1432
1532
1631
1731
1831
1930
2030
2129
2229
2328
2428
2527
2627
2726
2826
2926
3025

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 51% 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 (%)
10023761
20023860
30023959
40024058
50024157
60024256
70024355
80024454
90024553
100024652
110024850
120034948
130035047
140035245
150035344
160035542
170145540
180145639
190155737
200155935
210265834
220275932
231285930
241395829
2513105927
2613116025
2714125924
2814126122
2924136021
3025146019

Wind in September

Winds average 9 km/h in September, the calmest month.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
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 6:45 AM to 6:45 AM, and sunset from 7:00 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:457:00
212.26:456:59
312.26:456:58
412.26:456:58
512.26:456:57
612.26:456:56
712.26:456:56
812.26:456:55
912.26:456:54
1012.16:456:53
1112.16:456:53
1212.16:456:52
1312.16:456:51
1412.16:456:50
1512.16:456:50
1612.16:456:49
1712.16:456:48
1812.06:456:48
1912.06:456:47
2012.06:456:46
2112.06:456:45
2212.06:456:45
2312.06:456:44
2412.06:456:43
2512.06:456:42
2611.96:456:42
2711.96:456:41
2811.96:456:40
2911.96:456:39
3011.96:456:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.15 kWh/m².

For context, solar energy here swings from a low near 5.76 kWh/m² to a high of 7.52 kWh/m² in April across the year — September's 6.15 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
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
306.1Intense
Planning a trip in September

Hazard calendar for Tandaltī

In seasonPeak

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

Tandaltī sees seasonal dust haze (March–July), heaviest in April.

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

Is September a good time to visit Tandaltī?

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

2.8
Sightseeing
6th-best month of the year
5.7
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Tandaltī.

What to pack for Tandaltī in September

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

In September, Tandaltī sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Tandaltī 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 Tandaltī peaks around March 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeExtremeVery highMar 18UV 13Dec 12UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May9Very high
Jun11Extreme
Jul9Very high
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Tandaltī 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 Tandaltī is worst in March — around 49 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (August, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 1548 µg/m³Aug 1714 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb43Poor
Mar49Poor
Apr40Poor
May25Moderate
Jun21Moderate
Jul17Moderate
Aug14Moderate
Sep16Moderate
Oct22Moderate
Nov24Moderate
Dec34Moderate
Location & terrain

Where is Tandaltī?

Tandaltī sits at 13.0°N, 31.9°E, 422 m above sea level, in Sudan. The nearest listed city is Umm Ruwaba, 72 km away.

Ad DouiemAr RahadBārahEl Obeid

Topography around Tandaltī

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

Within 3 km, the terrain around Tandaltī has only modest variations in elevation — a maximum elevation change of 11 m around an average of 419 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 24 m; within 80 km, significant variations in elevation — a maximum elevation change of 373 m.

The land around Tandaltī is covered by cropland (53%) and grassland (23%) within 3 km, cropland (74%) and grassland (23%) within 16 km, and cropland (50%) and grassland (48%) within 80 km.

3 km
11 m
16 km
24 m
80 km
373 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
September weather nearby: Umm Ruwaba 72 km · Al Jazeera Aba 88 km · Kosti 88 km · Rabak 96 km · Ad Douiem 120 km · Ar Rahad 136 km · Bārah 179 km · El Obeid 180 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 Tandaltī (13.0167°, 31.8667°, elevation 422 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).