Kisangani weather in September

In September, Kisangani sees average daytime highs of 29°C and overnight lows near 22°C, with 165 mm of rain across 24.5 wet days and about 12 hours of daylight. It is the 9th-warmest and 3rd-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 4% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Kisangani's 9th-clearest and 7th-windiest month. For the whole year in context, see Kisangani's year-round climate.

Daytime high
29°
9th warmest
Overnight low
22°
3rd coldest
Rainfall
165 mm
24.5 wet days
Daylight
12 hours
6:13 AM – 6:14 PM
Cloud cover
79%
9th clearest
Wind
4 km/h
7th windiest
Solar energy
4.93 kWh/m²
Travel score
3.6
out of 10

Kisangani is city in the Democratic Republic of Congo.

Density
619/km²
people per km²

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 Kisangani reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°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)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922

How September really feels in Kisangani

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.

Kisangani weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°7012.8124.3
Feb31° / 23°9014123.7
Mar31° / 23°16119.7123.5
Apr30° / 23°16121.3123.6
May29° / 23°12221.7123.8
Jun29° / 22°9619.1124.2
Jul29° / 22°9619.5124.2
Aug29° / 22°13823.8123.8
Sep29° / 22°16524.5123.6
Oct29° / 22°18626.3123.5
Nov28° / 22°18224.5123.6
Dec29° / 22°10718.8124.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22179
32179
42179
52179
62179
72179
82179
92179
102080
112080
122179
132080
142080
151981
161981
171981
181783
191783
201783
211684
221684
231684
241585
251585
261585
271486
281486
291486
301486

Chance of precipitation in September

Any precipitation

Kisangani gets around 165 mm of rain over 24.5 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 82% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
179
279
380
480
581
681
781
882
982
1082
1183
1283
1383
1483
1583
1683
1783
1883
1983
2082
2182
2282
2382
2482
2581
2681
2781
2881
2981
3081

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours 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 0 minutes over September. Sunrise moves from 6:19 AM to 6:09 AM, and sunset from 6:19 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:196:19
212.06:186:19
312.06:186:19
412.06:186:18
512.06:176:18
612.06:176:17
712.06:176:17
812.06:166:17
912.06:166:16
1012.06:166:16
1112.06:156:16
1212.06:156:15
1312.06:156:15
1412.06:146:14
1512.06:146:14
1612.06:136:14
1712.06:136:13
1812.06:136:13
1912.06:126:12
2012.06:126:12
2112.06:126:12
2212.06:116:11
2312.06:116:11
2412.06:116:11
2512.06:106:10
2612.06:106:10
2712.06:106:09
2812.06:096:09
2912.06:096:09
3012.06:096:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.93 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 5.59 kWh/m² in February across the year — September's 4.93 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Kisangani?

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

3.6
Sightseeing
8th-best month of the year
4.4
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Kisangani.

What to pack for Kisangani in September

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

In September, Kisangani sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Kisangani 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 Kisangani peaks around April 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 highExtremeVery highApr 9UV 14Jul 12UV 8
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar14Extreme
Apr14Extreme
May10Extreme
Jun9Very high
Jul8Very high
Aug11Extreme
Sep11Extreme
Oct13Extreme
Nov10Very high
Dec9Very high

Air quality in Kisangani 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 Kisangani is worst in February — around 70 µg/m³ PM2.5 (unhealthy), about 6.2× the cleanest month (October, 11 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateModerateFeb 1667 µg/m³Oct 2012 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb70Unhealthy
Mar46Poor
Apr19Moderate
May14Moderate
Jun19Moderate
Jul25Moderate
Aug20Moderate
Sep15Moderate
Oct11Good
Nov13Moderate
Dec25Moderate
Location & terrain

Where is Kisangani?

Kisangani sits at 0.5°N, 25.2°E, 400 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Yangambi, 88 km away.

BasokoBabambaButaAketiBumbaWambaIsiro

Topography around Kisangani

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

Within 3 km, the terrain around Kisangani has only modest variations in elevation — a maximum elevation change of 50 m around an average of 394 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, significant variations in elevation — a maximum elevation change of 399 m.

The land around Kisangani is covered by artificial surfaces (65%) within 3 km, trees (66%) within 16 km, and trees (96%) within 80 km.

3 km
50 m
16 km
81 m
80 km
399 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Yangambi 88 km · Basoko 193 km · Babamba 258 km · Buta 258 km · Aketi 293 km · Bumba 355 km · Wamba 361 km · Isiro 368 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 Kisangani (0.5153°, 25.191°, elevation 400 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).