Masaka weather in September

In September, Masaka sees average daytime highs of 26°C and overnight lows near 17°C, with 103 mm of rain across 21.6 wet days and about 12 hours of daylight. It is the 4th-warmest and 6th-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 14% 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 Masaka's 6th-clearest and 6th-windiest month. For the whole year in context, see Masaka's year-round climate.

Daytime high
26°
4th warmest
Overnight low
17°
4th coldest
Rainfall
103 mm
21.6 wet days
Daylight
12 hours
6:47 AM – 6:47 PM
Cloud cover
70%
6th clearest
Wind
8 km/h
6th windiest
Solar energy
5.6 kWh/m²
Travel score
4.8
out of 10

Masaka is City in Uganda.

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 Masaka reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°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 on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72617
82617
92617
102617
112617
122617
132617
142617
152617
162617
172617
182617
192617
202617
212617
222617
232617
242617
252617
262617
272617
282618
292618
302618

Masaka weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°7816.8125.4
Feb27° / 18°7716.1125.2
Mar27° / 18°11720.9124.7
Apr26° / 18°14324.2124.2
May25° / 18°11221.7124.9
Jun25° / 17°5613126.1
Jul25° / 17°398.9126.8
Aug26° / 17°7915.8125.7
Sep26° / 17°10321.6124.8
Oct26° / 18°12524.5124.3
Nov26° / 18°13323.9124.3
Dec26° / 18°9519.7125.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
23961
33862
43862
53862
63862
73862
83862
93862
103862
113763
123763
133664
143664
153466
163466
173367
183367
193367
203169
213169
223070
233070
242971
252872
262872
272872
282773
292674
302674

Chance of precipitation in September

Any precipitation

Masaka gets around 103 mm of rain over 21.6 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 74% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
167
268
369
470
571
671
772
872
972
1072
1172
1271
1371
1471
1571
1671
1771
1871
1971
2071
2171
2271
2371
2472
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 74% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
158213
248214
348214
448214
538215
638116
738116
838017
928018
1027919
1127820
1227622
1327523
1427424
1527325
1627226
1717227
1817227
1917128
2017029
2116930
2216930
2316831
2416831
2516732
2616732
2716633
2816633
2916534
3016534

Wind in September

Winds average 8 km/h in September.

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

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:53 AM to 6:42 AM, and sunset from 6:53 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:536:53
212.06:536:52
312.06:526:52
412.06:526:52
512.06:526:51
612.06:516:51
712.06:516:51
812.06:506:50
912.06:506:50
1012.06:506:50
1112.06:496:49
1212.06:496:49
1312.06:496:48
1412.06:486:48
1512.06:486:48
1612.06:476:47
1712.06:476:47
1812.06:476:47
1912.06:466:46
2012.06:466:46
2112.06:466:46
2212.06:456:45
2312.06:456:45
2412.06:446:44
2512.06:446:44
2612.06:446:44
2712.06:436:43
2812.06:436:43
2912.06:436:43
3012.06:426:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.6 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 5.81 kWh/m² in February across the year — September's 5.6 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
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in September

Is September a good time to visit Masaka?

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

4.8
Sightseeing
8th-best month of the year
4.6
Beach & pool
8th-best month of the year

September is a reasonable time to visit Masaka for sightseeing.

What to pack for Masaka in September

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

In September, Masaka sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

UV index in Masaka 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 Masaka 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
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Masaka 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 Masaka is worst in January — around 41 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (May, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateJan 1740 µg/m³May 1123 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb36Poor
Mar28Moderate
Apr23Moderate
May22Moderate
Jun29Moderate
Jul32Moderate
Aug32Moderate
Sep31Moderate
Oct28Moderate
Nov30Moderate
Dec35Poor
Location & terrain

Where is Masaka?

Masaka sits at 0.3°S, 31.7°E, 1,292 m above sea level, in Uganda. The nearest listed city is Kalisizo, 26 km away.

LwengoKasaaliKyazangaLyantondeGombeMityana

Topography around Masaka

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

Within 3 km, the terrain around Masaka has only modest variations in elevation — a maximum elevation change of 141 m around an average of 1,239 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 208 m; within 80 km, significant variations in elevation — a maximum elevation change of 406 m.

The land around Masaka is covered by trees (37%) and artificial surfaces (28%) within 3 km, trees (45%) and shrubs (27%) within 16 km, and water (30%), grassland (25%) and shrubs (22%) within 80 km.

3 km
141 m
16 km
208 m
80 km
406 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Kalisizo 26 km · Lukaya 28 km · Lwengo 37 km · Kasaali 38 km · Kyazanga 43 km · Lyantonde 65 km · Gombe 72 km · Mityana 89 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 Masaka (-0.3338°, 31.7341°, elevation 1,292 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).