Lusambo weather in September

In September, Lusambo sees average daytime highs of 30°C and overnight lows near 22°C, with 126 mm of rain across 20.3 wet days and about 12 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 10% 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 Lusambo's 5th-clearest and 3rd-windiest month. For the whole year in context, see Lusambo's year-round climate.

Daytime high
30°
5th warmest
Overnight low
22°
7th coldest
Rainfall
126 mm
20.3 wet days
Daylight
12 hours
6:21 AM – 6:20 PM
Cloud cover
71%
5th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.19 kWh/m²
Travel score
3.9
out of 10

Lusambo is place in Sankuru, Democratic Republic of the 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 30°C through the month.

A typical September day in Lusambo reaches about 30°C in the afternoon and slips back to 22°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 about 1°C cooler than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922

How September really feels in Lusambo

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.

Lusambo weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°12820.712.33.9
Feb30° / 22°11818.212.23.8
Mar29° / 22°15821.4123.7
Apr29° / 22°1572211.93.7
May30° / 22°7012.811.84.7
Jun31° / 21°14311.75.5
Jul31° / 21°92.311.75.3
Aug30° / 22°551111.84.7
Sep30° / 22°12620.3123.9
Oct29° / 21°16724.912.13.5
Nov29° / 21°17124.512.23.6
Dec29° / 21°15823.412.33.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 69%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24159
33961
43862
53862
63763
73664
83565
93466
103367
113367
123268
133268
143169
153070
163070
173070
182971
192872
202872
212773
222773
232773
242674
252575
262575
272476
282476
292476
302377

Chance of precipitation in September

Any precipitation

Lusambo gets around 126 mm of rain over 20.3 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 67% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
154
255
356
457
559
660
761
862
963
1064
1165
1266
1367
1468
1568
1669
1769
1870
1970
2071
2171
2272
2372
2473
2573
2674
2775
2875
2976
3076

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
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1114058
2013861
3013663
4013564
5003367
6003169
7002971
8002773
9002575
10002476
11002278
12002080
13001882
14001783
15001585
16001486
17001387
18001189
19001189
20001090
2100991
2200991
2300892
2400892
2500892
2600892
2700892
2800892
2900892
3000892

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
75calm
85calm
95calm
105calm
115calm
125calm
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 6:29 AM to 6:14 AM, and sunset from 6:23 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:296:23
211.96:286:23
311.96:286:23
411.96:276:22
511.96:276:22
611.96:266:22
711.96:266:22
811.96:256:22
911.96:256:21
1011.96:246:21
1111.96:246:21
1212.06:236:21
1312.06:236:20
1412.06:226:20
1512.06:226:20
1612.06:216:20
1712.06:216:20
1812.06:206:19
1912.06:206:19
2012.06:196:19
2112.06:196:19
2212.06:186:18
2312.06:186:18
2412.06:176:18
2512.06:176:18
2612.06:166:17
2712.06:166:17
2812.06:156:17
2912.06:156:17
3012.06:146:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.19 kWh/m².

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 5.49 kWh/m² in February across the year — September's 5.19 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
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
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 Lusambo?

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

3.9
Sightseeing
5th-best month of the year
5.1
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Lusambo.

What to pack for Lusambo in September

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

In September, Lusambo sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Lusambo 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 Lusambo peaks around March 18 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 18UV 15Aug 11UV 6
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar15Extreme
Apr14Extreme
May10Extreme
Jun8Very high
Jul7High
Aug6High
Sep11Extreme
Oct13Extreme
Nov11Extreme
Dec10Very high

Air quality in Lusambo 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 Lusambo is worst in July — around 87 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (November, 15 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateJul 2487 µg/m³Nov 1815 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb24Moderate
Mar19Moderate
Apr18Moderate
May31Moderate
Jun52Poor
Jul87Unhealthy
Aug87Unhealthy
Sep32Moderate
Oct18Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Lusambo?

Lusambo sits at 5.0°S, 23.4°E, 432 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Kabeya-Kamwanga, 116 km away.

Mbuji-MayiLukulaMiabiDembaKanangaLodjaKabinda

Topography around Lusambo

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

Within 3 km, the terrain around Lusambo has only modest variations in elevation — a maximum elevation change of 141 m around an average of 459 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 242 m; within 80 km, significant variations in elevation — a maximum elevation change of 385 m.

The land around Lusambo is covered by trees (35%) and shrubs (32%) within 3 km, trees (78%) within 16 km, and trees (88%) within 80 km.

3 km
141 m
16 km
242 m
80 km
385 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Kabeya-Kamwanga 116 km · Mbuji-Mayi 130 km · Lukula 132 km · Miabi 139 km · Demba 142 km · Kananga 153 km · Lodja 163 km · Kabinda 173 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 Lusambo (-4.975°, 23.4439°, elevation 432 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).