Karengera weather in September

In September, Karengera sees average daytime highs of 25°C and overnight lows near 17°C, with 39 mm of rain across 8.4 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 13% 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 Karengera's 4th-clearest and 4th-windiest month. For the whole year in context, see Karengera's year-round climate.

Daytime high
25°
1st warmest
Overnight low
17°
12th coldest
Rainfall
39 mm
8.4 wet days
Daylight
12 hours
5:59 AM – 5:58 PM
Cloud cover
69%
4th clearest
Wind
6 km/h
4th windiest
Solar energy
5.65 kWh/m²
Travel score
6.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Karengera reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72517
82517
92517
102517
112517
122517
132517
142517
152517
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517

Karengera weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 17°9320.312.15.1
Feb24° / 17°7417.112.15.3
Mar24° / 17°12220.1125.1
Apr24° / 17°18021.811.94.7
May24° / 17°761311.96.3
Jun24° / 16°82.211.98.1
Jul24° / 16°20.611.98.6
Aug25° / 17°92.111.98.1
Sep25° / 17°398.4126.8
Oct24° / 17°14219.712.15.2
Nov24° / 17°17823.412.14.5
Dec24° / 17°12821.612.14.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 68%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24159
34060
44060
53961
63961
73862
83763
93763
103664
113565
123565
133565
143367
153268
163268
173169
183169
193070
202872
212872
222773
232773
242575
252575
262476
272476
282377
292377
302080

Chance of precipitation in September

Any precipitation

Karengera gets around 39 mm of rain over 8.4 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 28% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
115
216
317
418
519
619
720
821
922
1022
1123
1224
1325
1425
1526
1627
1728
1828
1929
2031
2132
2233
2335
2436
2538
2639
2740
2842
2943
3045

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 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
165350
263370
362380
460400
558420
656440
755450
853470
952480
1050500
1149510
1247530
1346540
1444560
1544560
1643570
1742571
1841581
1940591
2040591
2138611
2237621
2336631
2435641
2533652
2632662
2731672
2829692
2928693
3026713

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
226calm
236calm
246calm
256calm
266calm
275calm
285calm
295calm
305calm

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 6:05 AM to 5:53 AM, and sunset from 6:02 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:056:02
212.06:056:02
312.06:046:02
412.06:046:01
512.06:036:01
612.06:036:01
712.06:036:00
812.06:026:00
912.06:026:00
1012.06:016:00
1112.06:015:59
1212.06:005:59
1312.06:005:59
1412.05:595:58
1512.05:595:58
1612.05:595:58
1712.05:585:57
1812.05:585:57
1912.05:575:57
2012.05:575:57
2112.05:565:56
2212.05:565:56
2312.05:565:56
2412.05:555:55
2512.05:555:55
2612.05:545:55
2712.05:545:55
2812.05:535:54
2912.05:535:54
3012.05:535:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.65 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.98 kWh/m² to a high of 5.65 kWh/m² in September across the year — September's 5.65 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Karengera

In seasonPeak

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

Karengera's rainy season runs March–April, when most of the year's rain falls.

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

Is September a good time to visit Karengera?

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

6.8
Sightseeing
4th-best month of the year
6.1
Beach & pool
4th-best month of the year

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

What to pack for Karengera in September

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

In September, Karengera sees daytime highs around 25°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Karengera 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 Karengera peaks around March 20 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 16Jun 23UV 10
UV index (midday)Level
Jan11Extreme
Feb14Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Karengera 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 Karengera is worst in February — around 73 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyFeb 1073 µg/m³Apr 2059 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb73Unhealthy
Mar65Unhealthy
Apr59Unhealthy
May61Unhealthy
Jun71Unhealthy
Jul69Unhealthy
Aug73Unhealthy
Sep70Unhealthy
Oct65Unhealthy
Nov65Unhealthy
Dec69Unhealthy
Location & terrain

Where is Karengera?

Karengera sits at 2.5°S, 29.0°E, 1,581 m above sea level, in Rwanda. The nearest listed city is Bushenge, 10 km away.

ShangiRusiziNyabitekeliRangiroBugaramaKagano

Topography around Karengera

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

Within 3 km, the terrain around Karengera has large variations in elevation — a maximum elevation change of 830 m around an average of 1,575 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,467 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,671 m.

The land around Karengera is covered by trees (52%) and shrubs (22%) within 3 km, trees (53%) within 16 km, and grassland (36%) and trees (34%) within 80 km.

3 km
830 m
16 km
1,467 m
80 km
2,671 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Bushenge 10 km · Bushekeri 13 km · Shangi 13 km · Rusizi 14 km · Nyabitekeli 18 km · Rangiro 19 km · Bugarama 20 km · Kagano 20 km

Rwanda travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / G
230 V · 50 Hz
Prices
≈ 27% of US
price level, 2025
GDP per capita
$1,124
2025
Happiness
3.3 / 10
World Happiness, 2021
Homicide rate
3.6
per 100k, 2020
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 417
Religion
Catholic 40%Pentecostal 21%Protestant 15%Adventist 12%

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 Karengera (-2.5169°, 29.0326°, elevation 1,581 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).