Namutumba weather in September

In September, Namutumba sees average daytime highs of 28°C and overnight lows near 18°C, with 185 mm of rain across 26.2 wet days and about 12 hours of daylight. It is the 5th-warmest and 7th-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 11% of the time in September, and the air most often feels muggy.

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 Namutumba's 5th-clearest and 10th-windiest month. For the whole year in context, see Namutumba's year-round climate.

Daytime high
28°
5th warmest
Overnight low
18°
3rd coldest
Rainfall
185 mm
26.2 wet days
Daylight
12 hours
6:39 AM – 6:40 PM
Cloud cover
68%
5th clearest
Wind
5 km/h
10th windiest
Solar energy
5.8 kWh/m²
Travel score
3.9
out of 10

Namutumba is place in Eastern Region of Uganda, 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 28°C through the month.

A typical September day in Namutumba 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 26°C and 29°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)
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
272818
282818
292818
302818

Namutumba weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°13216.1124.8
Feb30° / 19°11416124.2
Mar29° / 19°23124.1123.7
Apr28° / 19°33128.7123.4
May27° / 19°28629.1123.6
Jun27° / 18°15922.9124.4
Jul27° / 18°11319.7125.0
Aug27° / 18°14122.4124.6
Sep28° / 18°18526.2123.9
Oct28° / 18°26628.5123.6
Nov27° / 18°28726.8123.7
Dec28° / 18°19621.6124.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24159
34159
44159
54159
64159
74159
84258
94258
104258
114258
124258
134258
144159
154258
164258
174060
184060
193961
203961
213763
223664
233565
243466
253268
263268
273169
283070
292971
302971

Chance of precipitation in September

Any precipitation

Namutumba gets around 185 mm of rain over 26.2 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 87% and peaks near 91% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
182
283
384
484
585
685
785
886
986
1087
1187
1287
1387
1488
1588
1688
1788
1888
1988
2088
2188
2289
2389
2489
2590
2690
2790
2890
2991
3091

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)
12872
22872
32773
42773
52674
62575
72575
82476
92278
102179
112080
121981
131783
141684
151585
161486
171387
181288
191189
201090
21991
22892
23892
24892
25793
26793
27793
28793
29793
30793

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:44 AM to 6:35 AM, and sunset from 6:45 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:446:45
212.06:446:45
312.06:446:45
412.06:446:44
512.06:436:44
612.06:436:44
712.06:436:43
812.06:426:43
912.06:426:42
1012.06:426:42
1112.06:416:42
1212.06:416:41
1312.06:406:41
1412.06:406:41
1512.06:406:40
1612.06:396:40
1712.06:396:39
1812.06:396:39
1912.06:386:39
2012.06:386:38
2112.06:386:38
2212.06:376:37
2312.06:376:37
2412.06:376:37
2512.06:366:36
2612.06:366:36
2712.06:366:35
2812.06:356:35
2912.06:356:35
3012.06:356:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.8 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.18 kWh/m² in February across the year — September's 5.8 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Namutumba?

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

3.9
Sightseeing
7th-best month of the year
4.2
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Namutumba.

What to pack for Namutumba in September

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

In September, Namutumba sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Namutumba in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Namutumba peaks around March 16 at about 15 (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 16UV 15Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Namutumba 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 Namutumba is worst in January — around 60 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorJan 1759 µg/m³Apr 1939 µg/m³
PM2.5 (µg/m³)Level
Jan60Unhealthy
Feb54Poor
Mar45Poor
Apr38Poor
May41Poor
Jun48Poor
Jul52Poor
Aug47Poor
Sep43Poor
Oct45Poor
Nov50Poor
Dec54Poor
Location & terrain

Where is Namutumba?

Namutumba sits at 0.8°N, 33.7°E, 1,138 m above sea level, in Uganda. The nearest listed city is Busembatia, 10 km away.

Topography around Namutumba

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

Within 3 km, the terrain around Namutumba has only modest variations in elevation — a maximum elevation change of 59 m around an average of 1,116 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,319 m.

The land around Namutumba is covered by cropland (42%) and trees (23%) within 3 km, cropland (37%) and trees (25%) within 16 km, and shrubs (27%), trees (25%) and cropland (22%) within 80 km.

3 km
59 m
16 km
100 m
80 km
1,319 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Busembatia 10 km · Kaliro 22 km · Busesa 25 km · Busolwe 27 km · Bugiri 30 km · Butaleja 31 km · Budaka 33 km · Pallisa 34 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 Namutumba (0.8361°, 33.6861°, elevation 1,138 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).