Mweka weather in September

In September, Mweka sees average daytime highs of 29°C and overnight lows near 21°C, with 132 mm of rain across 22.2 wet days and about 12 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 11% 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 Mweka's 5th-clearest and 3rd-windiest month. For the whole year in context, see Mweka's year-round climate.

Daytime high
29°
5th warmest
Overnight low
21°
6th coldest
Rainfall
132 mm
22.2 wet days
Daylight
12 hours
6:29 AM – 6:27 PM
Cloud cover
71%
5th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.25 kWh/m²
Travel score
3.7
out of 10

Mweka is a locality, capital of the territory of the province of Kasaï in the Democratic Republic of Congo.

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 29°C through the month.

A typical September day in Mweka reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13022
23022
33022
43021
53021
63021
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921

How September really feels in Mweka

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.

Mweka weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°14321.912.23.8
Feb30° / 22°13619.512.23.7
Mar29° / 22°16822.6123.6
Apr29° / 22°16323.111.93.6
May29° / 22°9015.811.84.5
Jun30° / 21°224.911.75.5
Jul31° / 21°163.811.75.1
Aug30° / 22°7813.811.84.4
Sep29° / 21°13222.2123.7
Oct29° / 21°17325.112.13.5
Nov28° / 21°18224.812.23.6
Dec28° / 21°17025.112.33.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33763
43664
53664
63565
73466
83367
93367
103367
113268
123268
133070
143070
153070
163070
172971
182971
192971
202971
212872
222773
232773
242674
252674
262674
272674
282476
292476
302476

Chance of precipitation in September

Any precipitation

Mweka gets around 132 mm of rain over 22.2 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 73% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
162
263
364
465
567
668
769
870
970
1071
1172
1272
1373
1473
1573
1674
1774
1874
1974
2075
2175
2276
2376
2477
2577
2678
2778
2878
2979
3079

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
113663
213564
313366
413267
503169
603070
702872
802773
902674
1002476
1102377
1202179
1302080
1401882
1501783
1601684
1701585
1801486
1901387
2001288
2101288
2201189
2301189
2401090
2501090
2601090
2701090
2801090
2901090
3001090

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
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 6:36 AM to 6:22 AM, and sunset from 6:31 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:366:31
211.96:366:30
311.96:356:30
411.96:356:30
511.96:346:30
611.96:346:30
711.96:336:29
811.96:336:29
911.96:326:29
1011.96:326:29
1112.06:316:28
1212.06:316:28
1312.06:306:28
1412.06:306:28
1512.06:296:28
1612.06:296:27
1712.06:286:27
1812.06:286:27
1912.06:276:27
2012.06:276:26
2112.06:266:26
2212.06:266:26
2312.06:256:26
2412.06:256:25
2512.06:246:25
2612.06:246:25
2712.06:236:25
2812.06:236:25
2912.06:226:24
3012.06:226:24

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.25 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 5.42 kWh/m² in February across the year — September's 5.25 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Mweka?

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

3.7
Sightseeing
6th-best month of the year
4.9
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Mweka.

What to pack for Mweka in September

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

In September, Mweka sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Mweka 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 Mweka peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 13 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 18UV 14Aug 13UV 5
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May9Very high
Jun8Very high
Jul7High
Aug4Moderate
Sep11Extreme
Oct13Extreme
Nov12Extreme
Dec10Extreme

Air quality in Mweka 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 Mweka is worst in August — around 90 µg/m³ PM2.5 (unhealthy), about 8.5× the cleanest month (November, 11 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateGoodModerateAug 1089 µg/m³Nov 1511 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb31Moderate
Mar17Moderate
Apr13Moderate
May25Moderate
Jun47Poor
Jul85Unhealthy
Aug90Unhealthy
Sep35Moderate
Oct13Moderate
Nov11Good
Dec14Moderate
Location & terrain

Where is Mweka?

Mweka sits at 4.9°S, 21.6°E, 591 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Luebo, 58 km away.

IleboKanangaTshikapaDibaya-LubweLusamboIdiofa

Topography around Mweka

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

Within 3 km, the terrain around Mweka has only modest variations in elevation — a maximum elevation change of 143 m around an average of 550 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 217 m; within 80 km, significant variations in elevation — a maximum elevation change of 401 m.

The land around Mweka is covered by trees (46%) and shrubs (20%) within 3 km, trees (70%) and shrubs (25%) within 16 km, and trees (86%) within 80 km.

3 km
143 m
16 km
217 m
80 km
401 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Luebo 58 km · Demba 106 km · Ilebo 122 km · Kananga 150 km · Tshikapa 193 km · Dibaya-Lubwe 203 km · Lusambo 209 km · Idiofa 218 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 Mweka (-4.8519°, 21.5595°, elevation 591 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).