Bulungu weather in September

In September, Bulungu sees average daytime highs of 31°C and overnight lows near 22°C, with 116 mm of rain across 20.6 wet days and about 12 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 13% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Bulungu's 5th-clearest and 3rd-windiest month. For the whole year in context, see Bulungu's year-round climate.

Daytime high
31°
4th warmest
Overnight low
22°
7th coldest
Rainfall
116 mm
20.6 wet days
Daylight
12 hours
5:41 AM – 5:39 PM
Cloud cover
68%
5th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.47 kWh/m²
Travel score
3.2
out of 10

Bulungu is human settlement.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Bulungu reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13222
23222
33222
43222
53222
63222
73222
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122

How September really feels in Bulungu

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.

Bulungu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°14222.112.23.2
Feb31° / 22°13718.512.13.2
Mar31° / 22°15622.8123.0
Apr31° / 22°16423.111.93.0
May31° / 22°8515.411.83.9
Jun31° / 21°184.211.74.9
Jul32° / 21°92.611.84.7
Aug32° / 22°4610.511.93.9
Sep31° / 22°11620.6123.2
Oct30° / 22°1922612.13.0
Nov30° / 22°19525.412.23.1
Dec30° / 22°16924.812.33.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34456
44555
54456
64456
74456
84357
94258
104159
114159
124159
133961
143961
153961
163763
173664
183763
193664
203664
213565
223466
233466
243367
253268
263268
273169
283169
293169
303070

Chance of precipitation in September

Any precipitation

Bulungu gets around 116 mm of rain over 20.6 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 68% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
151
252
353
454
556
657
758
860
961
1062
1164
1265
1366
1468
1569
1670
1772
1873
1974
2075
2176
2277
2378
2478
2579
2680
2780
2881
2981
3081

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
156233
246234
346036
435839
535641
625543
725246
825048
914851
1014554
1114356
1204060
1303862
1403565
1503367
1603070
1702872
1802674
1902476
2002278
2102179
2201981
2301882
2401783
2501585
2601486
2701387
2801288
2901288
3001189

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min 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 6 minutes over September. Sunrise moves from 5:48 AM to 5:34 AM, and sunset from 5:43 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:485:43
211.95:475:42
311.95:475:42
411.95:475:42
511.95:465:42
611.95:465:42
711.95:455:41
811.95:455:41
911.95:445:41
1011.95:445:41
1112.05:435:40
1212.05:435:40
1312.05:425:40
1412.05:425:40
1512.05:415:39
1612.05:415:39
1712.05:405:39
1812.05:405:39
1912.05:395:38
2012.05:395:38
2112.05:385:38
2212.05:385:38
2312.05:375:37
2412.05:375:37
2512.05:365:37
2612.05:365:37
2712.05:355:37
2812.05:355:36
2912.05:345:36
3012.05:345:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.47 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 5.52 kWh/m² in February across the year — September's 5.47 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Bulungu?

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

3.2
Sightseeing
5th-best month of the year
4.9
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Bulungu.

What to pack for Bulungu in September

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

In September, Bulungu sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Bulungu in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bulungu peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeMar 16UV 14Aug 14UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May9Very high
Jun8Very high
Jul7High
Aug3Moderate
Sep10Very high
Oct13Extreme
Nov13Extreme
Dec9Very high

Air quality in Bulungu 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 Bulungu is worst in August — around 281 µg/m³ PM2.5 (very unhealthy), about 19.1× the cleanest month (November, 15 µg/m³).

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

0306090120150180210240270JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyVery unhealthyModerateAug 15258 µg/m³Nov 1615 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb29Moderate
Mar23Moderate
Apr19Moderate
May34Moderate
Jun60Unhealthy
Jul123Unhealthy
Aug281Very unhealthy
Sep54Poor
Oct18Moderate
Nov15Moderate
Dec18Moderate
Location & terrain

Where is Bulungu?

Bulungu sits at 4.5°S, 18.6°E, 400 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Kikwit, 60 km away.

IdiofaDibaya-LubweBandundu ProvinceKutu

Topography around Bulungu

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

Within 3 km, the terrain around Bulungu has only modest variations in elevation — a maximum elevation change of 139 m around an average of 387 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 245 m; within 80 km, significant variations in elevation — a maximum elevation change of 469 m.

The land around Bulungu is covered by shrubs (30%), trees (28%) and grassland (25%) within 3 km, shrubs (49%) and trees (36%) within 16 km, and trees (44%), grassland (29%) and shrubs (26%) within 80 km.

3 km
139 m
16 km
245 m
80 km
469 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Kikwit 60 km · Masi-Manimba 83 km · Dungu 106 km · Mangai 118 km · Idiofa 119 km · Dibaya-Lubwe 146 km · Bandundu Province 192 km · Kutu 209 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 Bulungu (-4.5444°, 18.6036°, elevation 400 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).