Mbanza-Ngungu weather in September

In September, Mbanza-Ngungu sees average daytime highs of 28°C and overnight lows near 20°C, with 18 mm of rain across 5.3 wet days and about 12 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels muggy.

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 Mbanza-Ngungu's 5th-clearest and 2nd-windiest month. For the whole year in context, see Mbanza-Ngungu's year-round climate.

Daytime high
28°
9th warmest
Overnight low
20°
4th coldest
Rainfall
18 mm
5.3 wet days
Daylight
12 hours
5:56 AM – 5:54 PM
Cloud cover
75%
5th clearest
Wind
9 km/h
2nd windiest
Solar energy
4.39 kWh/m²
Travel score
6.5
out of 10

Mbanza-Ngungu is locality in Kongo - Central in the Democratic Republic of Congo, located along the Matadi-Kinshasa railway line of which it is the main stage.

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 28°C through the month.

A typical September day in Mbanza-Ngungu reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92819
102819
112819
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820

How September really feels in Mbanza-Ngungu

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mbanza-Ngungu weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°1542312.33.8
Feb29° / 21°1141812.23.9
Mar30° / 21°14720.7123.7
Apr30° / 21°2012511.93.2
May28° / 21°9516.411.84.9
Jun27° / 19°40.811.77.8
Jul26° / 18°10.111.78.0
Aug27° / 18°61.411.87.5
Sep28° / 20°185.3126.5
Oct29° / 21°11318.312.14.4
Nov29° / 21°22225.912.23.4
Dec28° / 21°20526.812.33.5

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 17% of September, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11981
21882
31882
41882
51882
61882
71882
81882
91882
101981
112080
122080
132080
142080
152179
162179
172179
182179
192179
202278
212278
222278
232278
242278
252278
262179
272179
282179
292080
302080

Chance of precipitation in September

Any precipitation

Mbanza-Ngungu gets around 18 mm of rain over 5.3 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 18% and peaks near 29% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
17
27
38
49
510
610
711
813
914
1015
1116
1217
1317
1418
1519
1620
1721
1821
1922
2022
2123
2223
2323
2424
2524
2625
2726
2827
2928
3029

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1181180
2081190
3080200
4078220
5077230
6075250
7072280
8070300
9067330
10064360
11061390
12057430
13054460
14051490
15048520
16045550
17042580
18039610
19037630
20035650
21033670
22032680
23031690
24030700
25029710
26028720
27027730
28026731
29025741
30024751

Wind in September

Winds average 9 km/h in September.

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
169calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:03 AM to 5:49 AM, and sunset from 5:57 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:035:57
211.96:035:57
311.96:025:57
411.96:025:57
511.96:015:56
611.96:015:56
711.96:005:56
811.96:005:56
911.95:595:56
1011.95:595:55
1111.95:585:55
1212.05:585:55
1312.05:575:55
1412.05:575:54
1512.05:565:54
1612.05:565:54
1712.05:555:54
1812.05:555:54
1912.05:545:53
2012.05:545:53
2112.05:535:53
2212.05:535:53
2312.05:525:52
2412.05:525:52
2512.05:515:52
2612.05:515:52
2712.05:505:52
2812.05:505:51
2912.05:495:51
3012.05:495:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.39 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 5.18 kWh/m² in March across the year — September's 4.39 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Mbanza-Ngungu

In seasonPeak

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

Mbanza-Ngungu's rainy season runs October–April, when most of the year's rain falls.

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

Is September a good time to visit Mbanza-Ngungu?

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

6.5
Sightseeing
4th-best month of the year
7.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Mbanza-Ngungu for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mbanza-Ngungu in September

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

In September, Mbanza-Ngungu sees daytime highs around 28°C and nights near 20°C. Pack light clothes. About 5 days see rain.

light clothes

UV index in Mbanza-Ngungu 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 Mbanza-Ngungu peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 17UV 15Aug 11UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May8Very high
Jun8Very high
Jul6High
Aug6High
Sep10Extreme
Oct13Extreme
Nov12Extreme
Dec10Extreme

Air quality in Mbanza-Ngungu 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 Mbanza-Ngungu is worst in July — around 61 µg/m³ PM2.5 (unhealthy), about 3.6× the cleanest month (November, 17 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1660 µg/m³Nov 2117 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar21Moderate
Apr21Moderate
May35Moderate
Jun55Unhealthy
Jul61Unhealthy
Aug54Poor
Sep51Poor
Oct25Moderate
Nov17Moderate
Dec19Moderate
Location & terrain

Where is Mbanza-Ngungu?

Mbanza-Ngungu sits at 5.3°S, 14.9°E, 735 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Inkisi, 26 km away.

Brazzaville

Topography around Mbanza-Ngungu

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

Within 3 km, the terrain around Mbanza-Ngungu has only modest variations in elevation — a maximum elevation change of 192 m around an average of 684 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 426 m; within 80 km, large variations in elevation — a maximum elevation change of 754 m.

The land around Mbanza-Ngungu is covered by grassland (35%), trees (22%) and artificial surfaces (21%) within 3 km, grassland (55%) and trees (24%) within 16 km, and grassland (64%) and trees (26%) within 80 km.

3 km
192 m
16 km
426 m
80 km
754 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Inkisi 26 km · Kimpese 58 km · Kasangulu 82 km · Maquela do Zombo 93 km · Cuímba 99 km · Masina 114 km · Kinshasa 115 km · Brazzaville 120 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 Mbanza-Ngungu (-5.2584°, 14.8584°, elevation 735 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).