Butare weather in September

In September, Butare sees average daytime highs of 26°C and overnight lows near 16°C, with 31 mm of rain across 7.5 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 13% of the time in September, and the air most often feels dry.

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 Butare's 4th-clearest and 1st-windiest month. For the whole year in context, see Butare's year-round climate.

Daytime high
26°
1st warmest
Overnight low
16°
12th coldest
Rainfall
31 mm
7.5 wet days
Daylight
12 hours
5:56 AM – 5:55 PM
Cloud cover
68%
4th clearest
Wind
6 km/h
1st windiest
Solar energy
5.65 kWh/m²
Travel score
6.7
out of 10

Butare is settlement 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 26°C through the month.

A typical September day in Butare reaches about 26°C in the afternoon and slips back to 16°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)
12715
22715
32715
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242616
252616
262616
272616
282616
292615
302615

Butare 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
Jan25° / 15°7215.112.15.7
Feb26° / 15°6714.612.15.6
Mar25° / 15°9118.7125.2
Apr24° / 15°10721.511.94.8
May24° / 15°4811.911.96.5
Jun25° / 14°92.411.97.8
Jul25° / 14°30.811.98.0
Aug26° / 15°132.611.97.5
Sep26° / 16°317.5126.7
Oct25° / 15°841712.15.5
Nov24° / 15°9621.112.14.9
Dec25° / 15°8116.712.15.6

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 22% of September, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33664
43565
53565
63565
73565
83565
93565
103565
113565
123664
133565
143565
153565
163664
173664
183664
193664
203565
213565
223565
233466
243466
253466
263367
273367
283268
293268
303169

Chance of precipitation in September

Any precipitation

Butare gets around 31 mm of rain over 7.5 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 25% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
119
219
320
421
521
621
722
822
922
1022
1123
1223
1323
1423
1523
1623
1723
1824
1924
2025
2126
2227
2328
2429
2530
2632
2733
2834
2935
3036

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
171281
270291
368311
467321
566331
665341
764351
863361
962371
1061381
1160391
1259401
1359401
1458411
1558411
1657421
1757421
1857421
1955432
2054442
2153452
2252462
2350473
2449483
2548493
2647504
2745514
2844524
2943525
3041545

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 7 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
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
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 6:02 AM to 5:50 AM, and sunset from 5:59 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:025:59
212.06:025:59
312.06:015:59
412.06:015:58
512.06:015:58
612.06:005:58
712.06:005:58
812.05:595:57
912.05:595:57
1012.05:585:57
1112.05:585:56
1212.05:585:56
1312.05:575:56
1412.05:575:56
1512.05:565:55
1612.05:565:55
1712.05:555:55
1812.05:555:54
1912.05:545:54
2012.05:545:54
2112.05:545:53
2212.05:535:53
2312.05:535:53
2412.05:525:53
2512.05:525:52
2612.05:515:52
2712.05:515:52
2812.05:515:51
2912.05:505:51
3012.05:505:51

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 4.89 kWh/m² to a high of 5.81 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
105.5Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Butare?

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

6.7
Sightseeing
4th-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Butare in September

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

In September, Butare sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Butare 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 Butare peaks around March 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 16Jun 21UV 10
UV index (midday)Level
Jan11Extreme
Feb15Extreme
Mar17Extreme
Apr16Extreme
May13Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Butare 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 Butare 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 Butare?

Butare sits at 2.6°S, 29.7°E, 1,769 m above sea level, in Rwanda. The nearest listed city is Gikongoro, 24 km away.

GikongoroNzegaNyanzaNgoziKayanzaKirundoRuhangoGitarama

Topography around Butare

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

Within 3 km, the terrain around Butare has only modest variations in elevation — a maximum elevation change of 209 m around an average of 1,710 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,012 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,146 m.

The land around Butare is covered by cropland (39%), trees (24%) and artificial surfaces (20%) within 3 km, cropland (51%) and grassland (34%) within 16 km, and cropland (34%), grassland (28%) and trees (27%) within 80 km.

3 km
209 m
16 km
1,012 m
80 km
2,146 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Gikongoro 24 km · Nzega 24 km · Nyanza 27 km · Ngozi 36 km · Kayanza 38 km · Kirundo 40 km · Ruhango 42 km · Gitarama 58 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 Butare (-2.5967°, 29.7394°, elevation 1,769 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).