Bandundu Province weather in September

In September, Bandundu Province sees average daytime highs of 31°C and overnight lows near 23°C, with 99 mm of rain across 18.2 wet days and about 12 hours of daylight. It is the 3rd-warmest and 9th-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 14% 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 Bandundu Province's 4th-clearest and 3rd-windiest month. For the whole year in context, see Bandundu Province's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
23°
7th coldest
Rainfall
99 mm
18.2 wet days
Daylight
12 hours
5:45 AM – 5:44 PM
Cloud cover
69%
4th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.46 kWh/m²
Travel score
3.5
out of 10

Bandundu Province is human settlement in Congo.

Density
914/km²
people per km²
Founded
1969

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 Bandundu Province reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°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)
13223
23223
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123

How September really feels in Bandundu Province

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.

Bandundu Province weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°13220.412.23.5
Feb31° / 23°13317.212.13.4
Mar31° / 23°15420.6123.2
Apr31° / 23°16722.511.93.1
May31° / 23°10418.111.93.7
Jun31° / 23°235.411.85.2
Jul31° / 23°123.111.85.2
Aug31° / 23°4310.411.94.2
Sep31° / 23°9918.2123.5
Oct30° / 23°17824.712.13.2
Nov30° / 23°18624.612.23.2
Dec30° / 23°17624.912.23.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54159
64060
74060
84060
93961
103961
113961
123862
133763
143763
153664
163664
173565
183565
193466
203466
213367
223466
233367
243367
253268
263268
273169
283169
293169
303169

Chance of precipitation in September

Any precipitation

Bandundu Province gets around 99 mm of rain over 18.2 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 61% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
145
245
346
447
549
650
751
853
954
1055
1157
1258
1360
1461
1563
1664
1765
1866
1967
2067
2168
2269
2369
2470
2570
2670
2771
2871
2971
3072

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
13367
23169
32971
42773
52575
62476
72278
82080
91882
101783
111585
121387
131288
141090
15991
16892
17793
18694
19595
20496
21496
22397
23397
24298
25298
26199
27199
28199
29199
30199

Wind in September

Winds average 6 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
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
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 5:52 AM to 5:39 AM, and sunset from 5:48 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:525:48
211.95:525:48
311.95:515:48
411.95:515:48
511.95:505:47
612.05:505:47
712.05:495:47
812.05:495:46
912.05:495:46
1012.05:485:46
1112.05:485:46
1212.05:475:45
1312.05:475:45
1412.05:465:45
1512.05:465:45
1612.05:455:44
1712.05:455:44
1812.05:445:44
1912.05:445:43
2012.05:435:43
2112.05:435:43
2212.05:435:43
2312.05:425:42
2412.05:425:42
2512.05:415:42
2612.05:415:42
2712.05:405:41
2812.05:405:41
2912.05:395:41
3012.05:395:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.46 kWh/m².

For context, solar energy here swings from a low near 4.92 kWh/m² to a high of 5.48 kWh/m² in February across the year — September's 5.46 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
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
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 Bandundu Province?

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

3.5
Sightseeing
5th-best month of the year
5.2
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Bandundu Province.

What to pack for Bandundu Province in September

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

In September, Bandundu Province sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Bandundu Province 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 Bandundu Province peaks around March 17 at about 14 (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 highHighExtremeVery highMar 17UV 14Aug 11UV 6
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May9Very high
Jun7High
Jul7High
Aug6High
Sep10Extreme
Oct12Extreme
Nov12Extreme
Dec9Very high

Air quality in Bandundu Province 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 Bandundu Province is worst in August — around 86 µg/m³ PM2.5 (unhealthy), about 6.6× the cleanest month (November, 13 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateAug 1383 µg/m³Nov 1213 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb28Moderate
Mar25Moderate
Apr19Moderate
May29Moderate
Jun47Poor
Jul67Unhealthy
Aug86Unhealthy
Sep40Poor
Oct15Moderate
Nov13Moderate
Dec18Moderate
Location & terrain

Where is Bandundu Province?

Bandundu Province sits at 3.3°S, 17.4°E, 322 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Mushie, 61 km away.

DunguMasi-ManimbaBoloboInongoBulungu

Topography around Bandundu Province

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

Within 3 km, the terrain around Bandundu Province has only modest variations in elevation — a maximum elevation change of 32 m around an average of 308 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 230 m.

The land around Bandundu Province is covered by artificial surfaces (47%) and trees (20%) within 3 km, grassland (52%) and trees (23%) within 16 km, and grassland (45%) and trees (41%) within 80 km.

3 km
32 m
16 km
65 m
80 km
230 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Mushie 61 km · Nioki 75 km · Kutu 108 km · Dungu 167 km · Masi-Manimba 172 km · Bolobo 181 km · Inongo 184 km · Bulungu 192 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 Bandundu Province (-3.3169°, 17.3806°, elevation 322 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).