New Halfa weather in September

In September, New Halfa sees average daytime highs of 37°C and overnight lows near 26°C, with 33 mm of rain across 8.2 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 36°C in the first days to 39°C by the end. The sky is clear or mostly clear about 61% 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 New Halfa's 10th-clearest and 10th-windiest month. For the whole year in context, see New Halfa's year-round climate.

Daytime high
37°
6th warmest
Overnight low
26°
8th coldest
Rainfall
33 mm
8.2 wet days
Daylight
12 h 06 min
6:29 AM – 6:34 PM
Cloud cover
39%
10th clearest
Wind
10 km/h
10th windiest
Solar energy
6.11 kWh/m²
Travel score
1.4
out of 10

New Halfa is town of the state of Kassala, 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 36°C in the first days to 39°C by the end.

A typical September day in New Halfa reaches about 37°C in the afternoon and slips back to 26°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 40°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°45°151015202530
Avg high (°C)Avg low (°C)
13625
23625
33625
43625
53625
63625
73625
83625
93625
103725
113725
123725
133726
143726
153726
163826
173826
183826
193826
203826
213826
223826
233826
243826
253826
263926
273926
283926
293926
303926

How September really feels in New Halfa

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
30 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.

New Halfa weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 19°00.111.24.4
Feb35° / 20°0011.53.1
Mar38° / 22°0011.91.2
Apr41° / 26°10.412.30.0
May42° / 28°82.712.70.0
Jun40° / 28°154.812.90.1
Jul37° / 26°7515.212.81.5
Aug35° / 25°941712.52.2
Sep37° / 26°338.212.11.4
Oct39° / 26°82.811.70.7
Nov37° / 24°10.211.31.9
Dec35° / 20°0011.13.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% 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
26931
37030
47228
57327
67426
77525
87723
97822
108020
118119
128218
138416
148515
158614
168713
178812
188911
198911
209010
21919
22919
23919
24919
25919
26928
27928
28928
29928
30928

Chance of precipitation in September

Any precipitation

New Halfa gets around 33 mm of rain over 8.2 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 28% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
145
245
344
443
543
641
740
839
937
1036
1134
1233
1331
1430
1528
1626
1725
1823
1921
2020
2119
2217
2316
2415
2514
2614
2713
2812
2912
3011

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10055342
20055441
30165340
40165439
50175537
60185536
70195634
802105533
902115631
1002125729
1103135628
1204155526
1304165624
1415185422
1516205320
1617215219
1728235017
1829245015
19310254814
20411274712
21412284511
22513294310
2361430429
2471431408
2581531387
2691632376
27111732355
28121832344
29131932324
30142032313

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 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512calm
612calm
712calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
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 6:28 AM to 6:31 AM, and sunset from 6:46 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:286:46
212.36:286:46
312.36:286:45
412.36:296:44
512.26:296:43
612.26:296:43
712.26:296:42
812.26:296:41
912.26:296:40
1012.26:296:39
1112.26:296:39
1212.16:296:38
1312.16:296:37
1412.16:296:36
1512.16:296:35
1612.16:296:34
1712.16:296:34
1812.16:306:33
1912.06:306:32
2012.06:306:31
2112.06:306:30
2212.06:306:30
2312.06:306:29
2412.06:306:28
2512.06:306:27
2611.96:306:26
2711.96:306:26
2811.96:306:25
2911.96:306:24
3011.96:316:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.11 kWh/m².

For context, solar energy here swings from a low near 5.48 kWh/m² to a high of 7.38 kWh/m² in April across the year — September's 6.11 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for New Halfa

In seasonPeak

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

New Halfa sees seasonal dust haze (May–August), heaviest in June.

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

Is September a good time to visit New Halfa?

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

1.4
Sightseeing
7th-best month of the year
4.3
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in New Halfa.

What to pack for New Halfa in September

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

In September, New Halfa sees daytime highs around 37°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in New Halfa 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 New Halfa peaks around April 10 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 10UV 13Dec 13UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul9Very high
Aug9Very high
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in New Halfa 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 New Halfa is worst in March — around 36 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1536 µg/m³Oct 1717 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar36Poor
Apr33Moderate
May25Moderate
Jun22Moderate
Jul19Moderate
Aug18Moderate
Sep20Moderate
Oct17Moderate
Nov20Moderate
Dec23Moderate
Location & terrain

Where is New Halfa?

New Halfa sits at 15.3°N, 35.6°E, 452 m above sea level, in Sudan. The nearest listed city is Khashm al Qirbah, 53 km away.

Al-FashaqahAl QadarifHimoraMay CaderaAdebayeAbala

Topography around New Halfa

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

Within 3 km, the terrain around New Halfa has only modest variations in elevation — a maximum elevation change of 8 m around an average of 452 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 246 m.

The land around New Halfa is covered by cropland (56%) within 3 km, cropland (86%) within 16 km, and grassland (36%), cropland (35%) and bare terrain (28%) within 80 km.

3 km
8 m
16 km
33 m
80 km
246 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Khashm al Qirbah 53 km · Kassala 87 km · Al-Fashaqah 108 km · Al Qadarif 146 km · Himora 157 km · May Cadera 174 km · Adebaye 177 km · Abala 194 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 New Halfa (15.3302°, 35.5985°, elevation 452 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).