Mwene weather in September

In September, Mwene sees average daytime highs of 33°C and overnight lows near 20°C, with 27 mm of rain across 5.7 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 39% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Mwene's 5th-clearest and 5th-windiest month. For the whole year in context, see Mwene's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
20°
12th coldest
Rainfall
27 mm
5.7 wet days
Daylight
11 h 54 min
6:24 AM – 6:21 PM
Cloud cover
52%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
5.86 kWh/m²
Travel score
4.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical September day in Mwene reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13319
23319
33319
43319
53319
63319
73319
83320
93320
103320
113320
123320
133320
143320
153320
163320
173320
183320
193320
203220
213220
223220
233220
243220
253220
263220
273220
283220
293220
303220

How September really feels in Mwene

Once humidity and wind are folded in, September averages 29 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
29
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.

Mwene weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°22426.212.53.8
Feb28° / 19°20322.912.33.9
Mar28° / 19°18324.312.14.1
Apr29° / 19°7913.311.85.0
May31° / 18°40.811.65.7
Jun31° / 17°00.111.46.0
Jul31° / 16°0011.55.9
Aug33° / 18°20.511.74.8
Sep33° / 20°275.711.94.1
Oct30° / 20°10217.712.23.8
Nov28° / 19°16723.912.43.9
Dec27° / 19°21526.912.63.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27327
37228
47228
57030
66931
76832
86832
96634
106535
116436
126337
136238
146238
156040
166040
175941
185842
195743
205644
215545
225446
235347
245248
255149
265050
274951
284951
294753
304555

Chance of precipitation in September

Any precipitation

Mwene gets around 27 mm of rain over 5.7 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 20% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
16
26
37
48
58
69
79
810
911
1012
1113
1214
1315
1416
1517
1618
1720
1821
1922
2024
2125
2227
2329
2431
2532
2634
2736
2838
2940
3041

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16124141
25925151
35726161
45526181
55227192
65028202
74729222
84529233
94230253
104030274
113730284
123431305
133231326
142931346
152730367
162430388
172230399
1820294110
1918284311
2016274413
2115264614
2213244716
2312234817
2411214919
2510204921
269184924
279164926
288154928
297134931
307124833

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over September. Sunrise moves from 6:34 AM to 6:16 AM, and sunset from 6:23 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:346:23
211.86:336:22
311.86:336:22
411.86:326:22
511.86:316:22
611.96:316:22
711.96:306:22
811.96:306:22
911.96:296:22
1011.96:286:22
1111.96:286:22
1211.96:276:22
1311.96:266:22
1411.96:266:21
1511.96:256:21
1611.96:246:21
1712.06:246:21
1812.06:236:21
1912.06:226:21
2012.06:226:21
2112.06:216:21
2212.06:216:21
2312.06:206:21
2412.06:196:21
2512.06:196:20
2612.06:186:20
2712.06:176:20
2812.16:176:20
2912.16:166:20
3012.16:166:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.86 kWh/m².

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 5.9 kWh/m² in August across the year — September's 5.86 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
Planning a trip in September

Hazard calendar for Mwene

In seasonPeak

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

Mwene's monsoon runs October–March, when most of the year's rain falls.

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

Is September a good time to visit Mwene?

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

4.1
Sightseeing
6th-best month of the year
6.9
Beach & pool
5th-best month of the year

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

What to pack for Mwene in September

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

In September, Mwene sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Mwene 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 Mwene peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 20UV 15Aug 10UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep11Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Mwene 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 Mwene is worst in August — around 191 µg/m³ PM2.5 (very unhealthy), about 23.6× the cleanest month (April, 8 µg/m³).

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyVery unhealthyModerateGoodAug 9190 µg/m³Apr 108 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar10Good
Apr8Good
May25Moderate
Jun62Unhealthy
Jul189Very unhealthy
Aug191Very unhealthy
Sep53Poor
Oct19Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Mwene?

Mwene sits at 9.8°S, 22.9°E, 908 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Luau, 122 km away.

LuauTshilengeMalembaCazomboKaminaSaurimoMwinilungaLucapa

Topography around Mwene

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

Within 3 km, the terrain around Mwene has only modest variations in elevation — a maximum elevation change of 61 m around an average of 907 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 143 m; within 80 km, significant variations in elevation — a maximum elevation change of 270 m.

The land around Mwene is covered by trees (36%), wetland (26%) and shrubs (20%) within 3 km, grassland (36%), trees (32%) and shrubs (22%) within 16 km, and trees (48%) and grassland (25%) within 80 km.

3 km
61 m
16 km
143 m
80 km
270 m
treesshrubsgrasslandwaterwetland
September weather nearby: Luau 122 km · Tshilenge 128 km · Malemba 194 km · Cazombo 232 km · Kamina 263 km · Saurimo 272 km · Mwinilunga 273 km · Lucapa 280 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 Mwene (-9.817°, 22.8702°, elevation 908 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).