Kamuhanda / Ruyenzi weather in September

In September, Kamuhanda / Ruyenzi sees average daytime highs of 26°C and overnight lows near 15°C, with 54 mm of rain across 10.3 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 26°C through the month. The sky is clear or mostly clear about 12% 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 Kamuhanda / Ruyenzi's 4th-clearest and 1st-windiest month. For the whole year in context, see Kamuhanda / Ruyenzi's year-round climate.

Daytime high
26°
1st warmest
Overnight low
15°
11th coldest
Rainfall
54 mm
10.3 wet days
Daylight
12 hours
5:55 AM – 5:54 PM
Cloud cover
68%
4th clearest
Wind
6 km/h
1st windiest
Solar energy
5.56 kWh/m²
Travel score
6.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Kamuhanda / Ruyenzi reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12716
22716
32716
42616
52616
62616
72616
82616
92616
102616
112616
122616
132615
142615
152615
162615
172615
182615
192615
202615
212615
222615
232615
242615
252615
262615
272615
282615
292615
302615

Kamuhanda / Ruyenzi 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
Jan26° / 15°7715.412.15.7
Feb26° / 15°7714.612.15.5
Mar26° / 15°10521124.9
Apr25° / 15°13724124.4
May25° / 15°8315.911.95.9
Jun25° / 15°142.711.97.7
Jul26° / 15°40.811.98.0
Aug26° / 16°24411.97.3
Sep26° / 15°5410.3126.3
Oct26° / 15°11718.6125.2
Nov25° / 15°13022.612.14.6
Dec25° / 15°9218.212.15.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33862
43862
53862
63862
73862
83763
93763
103763
113763
123664
133664
143565
153466
163466
173466
183466
193367
203367
213367
223367
233268
243268
253268
263268
273268
283169
293070
303070

Chance of precipitation in September

Any precipitation

Kamuhanda / Ruyenzi gets around 54 mm of rain over 10.3 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 34% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
126
227
327
428
529
629
730
830
930
1030
1131
1231
1331
1432
1532
1632
1733
1833
1934
2035
2136
2237
2339
2440
2541
2642
2744
2844
2945
3046

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
151454
248475
346495
444515
542535
640546
739556
838566
936586
1035596
1134606
1233616
1333616
1432626
1532626
1632626
1731636
1831627
1930637
2030637
2129638
2228648
2327649
24266410
25246610
26236611
27226711
28216712
29196813
30186913

Wind in September

Winds average 6 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 6 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
276calm
286calm
296calm
306calm

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 6:01 AM to 5:49 AM, and sunset from 5:59 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:015:59
212.06:015:58
312.06:005:58
412.06:005:58
512.05:595:57
612.05:595:57
712.05:595:57
812.05:585:57
912.05:585:56
1012.05:575:56
1112.05:575:56
1212.05:565:55
1312.05:565:55
1412.05:565:55
1512.05:555:54
1612.05:555:54
1712.05:545:54
1812.05:545:53
1912.05:535:53
2012.05:535:53
2112.05:535:52
2212.05:525:52
2312.05:525:52
2412.05:515:52
2512.05:515:51
2612.05:505:51
2712.05:505:51
2812.05:505:50
2912.05:495:50
3012.05:495:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.56 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 5.76 kWh/m² in February across the year — September's 5.56 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in September

Is September a good time to visit Kamuhanda / Ruyenzi?

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

6.3
Sightseeing
4th-best month of the year
6.2
Beach & pool
4th-best month of the year

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

What to pack for Kamuhanda / Ruyenzi in September

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

In September, Kamuhanda / Ruyenzi sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Kamuhanda / Ruyenzi 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 Kamuhanda / Ruyenzi peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 16Jun 19UV 10
UV index (midday)Level
Jan11Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Kamuhanda / Ruyenzi 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 Kamuhanda / Ruyenzi is worst in January — around 82 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJan 1981 µg/m³May 966 µg/m³
PM2.5 (µg/m³)Level
Jan82Unhealthy
Feb80Unhealthy
Mar73Unhealthy
Apr66Unhealthy
May66Unhealthy
Jun75Unhealthy
Jul67Unhealthy
Aug72Unhealthy
Sep72Unhealthy
Oct68Unhealthy
Nov72Unhealthy
Dec77Unhealthy
Location & terrain

Where is Kamuhanda / Ruyenzi?

Kamuhanda / Ruyenzi sits at 2.0°S, 30.0°E, 1,366 m above sea level, in Rwanda. The nearest listed city is Kigali, 8.0 km away.

MuginaNderaGitaramaMuhangaNyamataRuhango

Topography around Kamuhanda / Ruyenzi

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

Within 3 km, the terrain around Kamuhanda / Ruyenzi has significant variations in elevation — a maximum elevation change of 336 m around an average of 1,438 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 781 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,129 m.

The land around Kamuhanda / Ruyenzi is covered by cropland (29%) and trees (28%) within 3 km, cropland (32%), grassland (24%) and trees (20%) within 16 km, and cropland (42%), trees (22%) and grassland (21%) within 80 km.

3 km
336 m
16 km
781 m
80 km
3,129 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Kigali 8.0 km · Shyorongi 13 km · Mugina 16 km · Ndera 21 km · Gitarama 28 km · Muhanga 32 km · Nyamata 32 km · Ruhango 36 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 Kamuhanda / Ruyenzi (-1.9657°, 29.9846°, elevation 1,366 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).