Rwamagana weather in September

In September, Rwamagana sees average daytime highs of 28°C and overnight lows near 18°C, with 40 mm of rain across 10.3 wet days and about 12 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 16% 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 Rwamagana's 3rd-clearest and 1st-windiest month. For the whole year in context, see Rwamagana's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
40 mm
10.3 wet days
Daylight
12 hours
5:53 AM – 5:52 PM
Cloud cover
66%
3rd clearest
Wind
7 km/h
1st windiest
Solar energy
5.65 kWh/m²
Travel score
6.2
out of 10

Rwamagana is city in Rwanda.

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 28°C through the month.

A typical September day in Rwamagana reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°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)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272718
282718
292718
302718

Rwamagana weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°5813.312.15.8
Feb27° / 18°5412.412.15.7
Mar27° / 18°7716.9125.3
Apr26° / 18°10419.9124.8
May26° / 18°571211.96.2
Jun27° / 18°122.211.97.4
Jul28° / 18°30.811.97.5
Aug28° / 18°194.111.96.9
Sep28° / 18°4010.3126.2
Oct27° / 18°8216.4125.4
Nov26° / 18°9720.312.14.9
Dec26° / 18°7216.612.15.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34159
44060
54060
64159
74159
84159
94258
104258
114258
124159
134060
144060
154159
164159
174159
184159
194060
204060
213961
223862
233862
243763
253763
263664
273565
283466
293466
303367

Chance of precipitation in September

Any precipitation

Rwamagana gets around 40 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 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
127
228
329
430
531
631
732
832
932
1033
1133
1233
1333
1433
1533
1633
1733
1833
1934
2034
2135
2236
2336
2437
2538
2639
2740
2840
2941
3042

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 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1324128
2304129
3284230
4264331
5244333
6224434
7214534
8204535
9194536
10184637
11174637
12164638
13164539
14154540
15154540
16154441
17154441
18144442
19144343
20134344
21134345
22124246
23114247
24114148
25104149
2694150
2784052
2884052
2974053
3063955

Wind in September

Winds average 7 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:59 AM to 5:47 AM, and sunset from 5:57 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:595:57
212.05:595:57
312.05:585:56
412.05:585:56
512.05:585:56
612.05:575:55
712.05:575:55
812.05:565:55
912.05:565:54
1012.05:555:54
1112.05:555:54
1212.05:555:54
1312.05:545:53
1412.05:545:53
1512.05:535:53
1612.05:535:52
1712.05:525:52
1812.05:525:52
1912.05:525:51
2012.05:515:51
2112.05:515:51
2212.05:505:50
2312.05:505:50
2412.05:505:50
2512.05:495:49
2612.05:495:49
2712.05:485:49
2812.05:485:49
2912.05:485:48
3012.05:475:48

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.

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 5.85 kWh/m² in February across the year — September's 5.65 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Rwamagana?

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

6.2
Sightseeing
4th-best month of the year
6.5
Beach & pool
4th-best month of the year

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

What to pack for Rwamagana in September

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

In September, Rwamagana sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Rwamagana 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 Rwamagana peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 16Jun 18UV 10
UV index (midday)Level
Jan12Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Rwamagana 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 Rwamagana is worst in June — around 56 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorJun 2256 µg/m³Apr 2237 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb48Poor
Mar43Poor
Apr37Poor
May38Poor
Jun56Unhealthy
Jul55Poor
Aug47Poor
Sep41Poor
Oct38Poor
Nov42Poor
Dec45Poor
Location & terrain

Where is Rwamagana?

Rwamagana sits at 1.9°S, 30.4°E, 1,537 m above sea level, in Rwanda. The nearest listed city is Kayonza, 10 km away.

KibungoNderaKigaliNyamataKamuhanda / RuyenziShyorongiMugina

Topography around Rwamagana

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

Within 3 km, the terrain around Rwamagana has only modest variations in elevation — a maximum elevation change of 170 m around an average of 1,488 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 453 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,451 m.

The land around Rwamagana is covered by cropland (37%) and trees (30%) within 3 km, cropland (49%) and trees (20%) within 16 km, and cropland (32%) and grassland (28%) within 80 km.

3 km
170 m
16 km
453 m
80 km
1,451 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Kayonza 10 km · Kibungo 26 km · Ndera 29 km · Kigali 42 km · Nyamata 43 km · Kamuhanda / Ruyenzi 50 km · Shyorongi 54 km · Mugina 57 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 Rwamagana (-1.9487°, 30.4347°, elevation 1,537 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).