Mangbwalu weather in September

In September, Mangbwalu sees average daytime highs of 26°C and overnight lows near 16°C, with 167 mm of rain across 26.8 wet days and about 12 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Mangbwalu's 9th-clearest and 10th-windiest month. For the whole year in context, see Mangbwalu's year-round climate.

Daytime high
26°
8th warmest
Overnight low
16°
3rd coldest
Rainfall
167 mm
26.8 wet days
Daylight
12 hours
5:54 AM – 5:54 PM
Cloud cover
81%
9th clearest
Wind
4 km/h
10th windiest
Solar energy
4.97 kWh/m²
Travel score
3.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Mangbwalu reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292617
302617

Mangbwalu weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°407.911.96.0
Feb29° / 17°549.411.95.2
Mar28° / 18°13120.3124.5
Apr27° / 18°17224.2124.1
May27° / 17°14122.912.14.5
Jun26° / 17°12720.812.14.8
Jul25° / 16°12921.412.14.9
Aug26° / 16°15424.312.14.4
Sep26° / 16°16726.8123.9
Oct25° / 17°22529.3123.6
Nov26° / 17°20024.911.94.1
Dec27° / 16°7512.711.96.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11783
21783
31783
41684
51585
61585
71585
81684
91684
101684
111684
121684
131585
141585
151585
161486
171486
181387
191288
201288
211189
221189
231090
24991
25991
26892
27892
28793
29793
30793

Chance of precipitation in September

Any precipitation

Mangbwalu gets around 167 mm of rain over 26.8 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 89% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
286
387
487
588
688
789
889
989
1089
1190
1290
1390
1490
1590
1690
1789
1889
1989
2089
2189
2289
2389
2489
2589
2690
2790
2890
2991
3091

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
118514
218415
318316
418217
518217
608218
708119
808119
908020
1007921
1107822
1207723
1307624
1407525
1507426
1607426
1707327
1807228
1907228
2007129
2107030
2207030
2306931
2406931
2506832
2606832
2706832
2806733
2906733
3006634

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over September. Sunrise moves from 5:58 AM to 5:50 AM, and sunset from 6:01 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:586:01
212.05:586:00
312.05:586:00
412.05:585:59
512.05:575:59
612.05:575:59
712.05:575:58
812.05:565:58
912.05:565:57
1012.05:565:57
1112.05:555:57
1212.05:555:56
1312.05:555:56
1412.05:545:55
1512.05:545:55
1612.05:545:54
1712.05:545:54
1812.05:535:54
1912.05:535:53
2012.05:535:53
2112.05:525:52
2212.05:525:52
2312.05:525:52
2412.05:515:51
2512.05:515:51
2612.05:515:50
2712.05:505:50
2812.05:505:49
2912.05:505:49
3012.05:505:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.97 kWh/m².

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 5.66 kWh/m² in February across the year — September's 4.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Mangbwalu?

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

3.9
Sightseeing
11th-best month of the year
3.7
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Mangbwalu.

What to pack for Mangbwalu in September

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

In September, Mangbwalu sees daytime highs around 26°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

UV index in Mangbwalu in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mangbwalu peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 17UV 15Jul 11UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Mangbwalu 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 Mangbwalu is worst in February — around 68 µg/m³ PM2.5 (unhealthy), about 4.6× the cleanest month (October, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateFeb 967 µg/m³Oct 1115 µg/m³
PM2.5 (µg/m³)Level
Jan64Unhealthy
Feb68Unhealthy
Mar33Moderate
Apr15Moderate
May15Moderate
Jun22Moderate
Jul24Moderate
Aug19Moderate
Sep16Moderate
Oct15Moderate
Nov18Moderate
Dec36Poor
Location & terrain

Where is Mangbwalu?

Mangbwalu sits at 1.9°N, 30.0°E, 1,191 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Bunia, 49 km away.

NebbiWatsaAruBundibugyo

Topography around Mangbwalu

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

Within 3 km, the terrain around Mangbwalu has significant variations in elevation — a maximum elevation change of 354 m around an average of 1,245 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 699 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,651 m.

The land around Mangbwalu is covered by trees (47%) and grassland (27%) within 3 km, trees (92%) within 16 km, and trees (72%) and grassland (20%) within 80 km.

3 km
354 m
16 km
699 m
80 km
1,651 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Bunia 49 km · Djugu 52 km · Paidha 118 km · Kyangwali Refugee Camp 118 km · Nebbi 131 km · Watsa 134 km · Aru 136 km · Bundibugyo 137 km

Democratic Republic of the Congo travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$807
2025
Happiness
3.8 / 10
World Happiness, 2025
Safe drinking water
12%
of population, 2024
Road deaths
34.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 400

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 Mangbwalu (1.9447°, 30.0386°, elevation 1,191 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).