Katwa weather in September

In September, Katwa sees average daytime highs of 23°C and overnight lows near 14°C, with 510 mm of rain across 23.1 wet days and about 12 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels comfortable.

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 Katwa's 8th-clearest and 7th-windiest month. For the whole year in context, see Katwa's year-round climate.

Daytime high
23°
6th warmest
Overnight low
14°
5th coldest
Rainfall
510 mm
23.1 wet days
Daylight
12 hours
5:57 AM – 5:57 PM
Cloud cover
82%
8th clearest
Wind
4 km/h
7th windiest
Solar energy
5.26 kWh/m²
Travel score
4.5
out of 10

Katwa is Commune of Butembo, DR 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 23°C through the month.

A typical September day in Katwa reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102314
112314
122314
132314
142314
152314
162314
172314
182314
192314
202314
212314
222314
232314
242314
252314
262314
272314
282314
292314
302314

Katwa weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 14°21015.3125.8
Feb24° / 14°23614.3125.7
Mar24° / 15°51623.4124.6
Apr23° / 15°54224124.3
May23° / 15°34422.8124.7
Jun23° / 14°26618.2125.2
Jul22° / 14°28319.1125.2
Aug23° / 14°37922.7124.6
Sep23° / 14°51023.1124.5
Oct23° / 14°63925.9124.1
Nov23° / 14°59525.2124.1
Dec23° / 14°34821.1124.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11783
21684
31684
41783
51684
61585
71585
81585
91585
101684
111585
121486
131486
141486
151486
161387
171387
181387
191288
201288
211288
221288
231189
241189
251090
26991
27991
28892
29892
30892

Chance of precipitation in September

Any precipitation

Katwa gets around 510 mm of rain over 23.1 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 77% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
178
279
379
479
579
679
778
878
978
1077
1177
1276
1376
1475
1575
1675
1774
1874
1974
2074
2174
2275
2375
2476
2577
2677
2778
2879
2980
3081

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
136532
236532
326632
426632
526632
626632
726632
816732
916732
1016732
1116732
1216732
1316732
1416732
1516732
1616633
1716633
1816633
1916633
2016633
2116633
2206733
2306733
2406733
2506733
2606733
2706733
2806733
2906733
3006634

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 6:02 AM to 5:52 AM, and sunset from 6:03 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:026:03
212.06:026:02
312.06:026:02
412.06:016:02
512.06:016:01
612.06:016:01
712.06:006:00
812.06:006:00
912.06:006:00
1012.05:595:59
1112.05:595:59
1212.05:595:59
1312.05:585:58
1412.05:585:58
1512.05:575:57
1612.05:575:57
1712.05:575:57
1812.05:565:56
1912.05:565:56
2012.05:565:56
2112.05:555:55
2212.05:555:55
2312.05:555:55
2412.05:545:54
2512.05:545:54
2612.05:535:53
2712.05:535:53
2812.05:535:53
2912.05:525:52
3012.05:525:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.26 kWh/m².

For context, solar energy here swings from a low near 4.89 kWh/m² to a high of 5.79 kWh/m² in February across the year — September's 5.26 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
125.3Bright
135.3Bright
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 Katwa?

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

4.5
Sightseeing
9th-best month of the year
3.4
Beach & pool
9th-best month of the year

September is a reasonable time to visit Katwa for sightseeing.

What to pack for Katwa in September

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

In September, Katwa sees daytime highs around 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Katwa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Katwa peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 16Jul 12UV 10
UV index (midday)Level
Jan10Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Katwa 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 Katwa is worst in February — around 52 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (October, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorModerateFeb 1151 µg/m³Oct 1824 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb52Poor
Mar35Moderate
Apr27Moderate
May28Moderate
Jun34Moderate
Jul43Poor
Aug32Moderate
Sep26Moderate
Oct24Moderate
Nov25Moderate
Dec36Poor
Location & terrain

Where is Katwa?

Katwa sits at 0.1°N, 29.3°E, 1,750 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Butembo, 6.0 km away.

Topography around Katwa

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

Within 3 km, the terrain around Katwa has significant variations in elevation — a maximum elevation change of 293 m around an average of 1,785 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,334 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,292 m.

The land around Katwa is covered by artificial surfaces (57%) and trees (29%) within 3 km, trees (58%) within 16 km, and trees (68%) within 80 km.

3 km
293 m
16 km
1,334 m
80 km
4,292 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Butembo 6.0 km · Lubero 29 km · Mpondwe 47 km · Beni 48 km · Mangina 57 km · Kisinga 62 km · Hyosha 72 km · Kayna 79 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 Katwa (0.0893°, 29.3086°, elevation 1,750 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).