Butunduzi weather in September

In September, Butunduzi sees average daytime highs of 27°C and overnight lows near 16°C, with 126 mm of rain across 21.4 wet days and about 12 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 7% of the time in September, and the air most often feels humid.

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

Daytime high
27°
8th warmest
Overnight low
16°
4th coldest
Rainfall
126 mm
21.4 wet days
Daylight
12 hours
6:51 AM – 6:51 PM
Cloud cover
72%
7th clearest
Wind
6 km/h
8th windiest
Solar energy
5.63 kWh/m²
Travel score
4.6
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical September day in Butunduzi reaches about 27°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 25°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302716

Butunduzi weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°418.5126.0
Feb29° / 18°479.2125.1
Mar28° / 18°11118.6124.5
Apr27° / 17°14222.8124.2
May27° / 17°11320.1125.0
Jun27° / 17°4810.2126.2
Jul28° / 17°327.4126.6
Aug27° / 17°8915.8125.5
Sep27° / 16°12621.4124.6
Oct27° / 16°17226.4124.0
Nov26° / 16°19026124.0
Dec27° / 16°9515.6125.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% 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 71%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63367
73367
83367
93367
103367
113367
123367
133268
143169
153169
163070
173070
182971
192872
202872
212674
222674
232575
242476
252476
262377
272278
282278
292179
302179

Chance of precipitation in September

Any precipitation

Butunduzi gets around 126 mm of rain over 21.4 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 71% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
165
266
367
467
568
669
769
869
970
1070
1170
1270
1370
1470
1570
1670
1770
1870
1971
2071
2172
2272
2373
2474
2574
2675
2776
2877
2978
3078

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1317800
2316810
3316810
4215830
5214840
6213850
7113860
8113860
9112870
10112870
11112870
12112870
13012880
14012880
15012880
16011890
17011890
18011881
19011881
20010891
21010891
2209901
2309901
2408911
2507921
2607930
2706940
2806940
2905950
3005950

Wind in September

Winds average 6 km/h in September.

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 6:56 AM to 6:46 AM, and sunset from 6:57 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:566:57
212.06:566:56
312.06:556:56
412.06:556:56
512.06:556:55
612.06:546:55
712.06:546:54
812.06:546:54
912.06:536:54
1012.06:536:53
1112.06:536:53
1212.06:526:53
1312.06:526:52
1412.06:526:52
1512.06:516:51
1612.06:516:51
1712.06:506:51
1812.06:506:50
1912.06:506:50
2012.06:496:49
2112.06:496:49
2212.06:496:49
2312.06:486:48
2412.06:486:48
2512.06:486:48
2612.06:476:47
2712.06:476:47
2812.06:476:46
2912.06:466:46
3012.06:466:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.63 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 5.85 kWh/m² in February across the year — September's 5.63 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
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Butunduzi?

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

4.6
Sightseeing
8th-best month of the year
4.7
Beach & pool
9th-best month of the year

September is a reasonable time to visit Butunduzi for sightseeing.

What to pack for Butunduzi in September

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

In September, Butunduzi sees daytime highs around 27°C and nights near 16°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Butunduzi in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Butunduzi peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jun 20UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Butunduzi 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 Butunduzi is worst in January — around 48 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (April, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateJan 2348 µg/m³Apr 2320 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb48Poor
Mar28Moderate
Apr20Moderate
May20Moderate
Jun27Moderate
Jul31Moderate
Aug27Moderate
Sep25Moderate
Oct22Moderate
Nov25Moderate
Dec36Poor
Location & terrain

Where is Butunduzi?

Butunduzi sits at 0.6°N, 30.9°E, 1,337 m above sea level, in Uganda. The nearest listed city is Kyegegwa, 22 km away.

MuhorroKagadiKyarusozi

Topography around Butunduzi

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

Within 3 km, the terrain around Butunduzi has significant variations in elevation — a maximum elevation change of 254 m around an average of 1,292 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,012 m.

The land around Butunduzi is covered by trees (71%) within 3 km, trees (58%) within 16 km, and trees (45%) and grassland (33%) within 80 km.

3 km
254 m
16 km
379 m
80 km
2,012 m
treesshrubsgrasslandcroplandwaterwetland
September weather nearby: Kyegegwa 22 km · Kyenjojo 27 km · Katoke 30 km · Rwamwanja Refugee Camp 32 km · Kyaka II Refugee Camp 35 km · Muhorro 42 km · Kagadi 43 km · Kyarusozi 44 km

Uganda travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$1,206
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
18%
of population, 2024
Homicide rate
9
per 100k, 2023
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Moderate
EF EPI 518
Religion
Protestant 45%Roman Catholic 39%Muslim 14%other 2%

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 Butunduzi (0.5547°, 30.8548°, elevation 1,337 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).