Kasaali weather in September

In September, Kasaali sees average daytime highs of 27°C and overnight lows near 17°C, with 101 mm of rain across 21 wet days and about 12 hours of daylight. It is the 4th-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 15% 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 Kasaali's 5th-clearest and 5th-windiest month. For the whole year in context, see Kasaali's year-round climate.

Daytime high
27°
4th warmest
Overnight low
17°
4th coldest
Rainfall
101 mm
21 wet days
Daylight
12 hours
6:48 AM – 6:48 PM
Cloud cover
70%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
5.53 kWh/m²
Travel score
4.8
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 Kasaali reaches about 27°C in the afternoon and slips back to 17°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 28°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717

Kasaali weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 17°7014.6125.6
Feb28° / 18°6113.1125.2
Mar27° / 18°9817.4125.1
Apr26° / 17°11021.3124.6
May26° / 17°8818.5125.3
Jun26° / 17°4610.7126.3
Jul27° / 16°297.4126.8
Aug27° / 17°7114.4125.8
Sep27° / 17°10121124.8
Oct26° / 17°12424.5124.3
Nov26° / 17°13023.7124.3
Dec26° / 17°9319.1125.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
23961
34060
43961
53961
63961
73961
83961
93961
103961
113862
123862
133763
143763
153664
163664
173565
183466
193466
203367
213367
223169
233169
243070
253070
262872
272872
282872
292773
302674

Chance of precipitation in September

Any precipitation

Kasaali gets around 101 mm of rain over 21 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 69% and peaks near 74% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
162
263
364
466
567
667
768
868
969
1069
1169
1269
1369
1469
1569
1669
1769
1869
1970
2070
2170
2271
2371
2471
2572
2672
2773
2873
2974
3074

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1213841
2212851
3111871
4110881
519891
619882
718892
818892
918892
1018892
1117893
1218883
1308893
1408893
1508893
1608893
1708893
1807903
1907903
2007903
2106913
2206913
2305923
2405923
2504933
2604933
2704933
2803943
2903943
3003934

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
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 6:54 AM to 6:43 AM, and sunset from 6:53 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:546:53
212.06:546:53
312.06:536:53
412.06:536:52
512.06:526:52
612.06:526:52
712.06:526:51
812.06:516:51
912.06:516:50
1012.06:516:50
1112.06:506:50
1212.06:506:49
1312.06:496:49
1412.06:496:49
1512.06:496:48
1612.06:486:48
1712.06:486:48
1812.06:476:47
1912.06:476:47
2012.06:476:47
2112.06:466:46
2212.06:466:46
2312.06:466:46
2412.06:456:45
2512.06:456:45
2612.06:446:45
2712.06:446:44
2812.06:446:44
2912.06:436:44
3012.06:436:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.53 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 5.74 kWh/m² in February across the year — September's 5.53 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
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Kasaali?

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

4.8
Sightseeing
9th-best month of the year
4.8
Beach & pool
9th-best month of the year

September is a reasonable time to visit Kasaali for sightseeing.

What to pack for Kasaali in September

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

In September, Kasaali sees daytime highs around 27°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

UV index in Kasaali 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 Kasaali peaks around March 16 at about 15 (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 15Jun 19UV 10
UV index (midday)Level
Jan12Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Kasaali 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 Kasaali is worst in January — around 37 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (April, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1836 µg/m³Apr 2319 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb31Moderate
Mar25Moderate
Apr19Moderate
May19Moderate
Jun25Moderate
Jul30Moderate
Aug33Moderate
Sep29Moderate
Oct25Moderate
Nov25Moderate
Dec29Moderate
Location & terrain

Where is Kasaali?

Kasaali sits at 0.6°S, 31.6°E, 1,179 m above sea level, in Uganda. The nearest listed city is Kalisizo, 12 km away.

MasakaLyantondeNsungaNakivale Refugee CampLukaya

Topography around Kasaali

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

Within 3 km, the terrain around Kasaali has only modest variations in elevation — a maximum elevation change of 85 m around an average of 1,199 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 316 m; within 80 km, significant variations in elevation — a maximum elevation change of 532 m.

The land around Kasaali is covered by trees (37%) and shrubs (25%) within 3 km, shrubs (33%), trees (31%) and grassland (20%) within 16 km, and grassland (33%), water (24%) and shrubs (20%) within 80 km.

3 km
85 m
16 km
316 m
80 km
532 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Kalisizo 12 km · Lwengo 27 km · Kyazanga 34 km · Masaka 38 km · Lyantonde 50 km · Nsunga 61 km · Nakivale Refugee Camp 63 km · Lukaya 65 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 Kasaali (-0.6167°, 31.55°, elevation 1,179 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).