Namavundu weather in September

In September, Namavundu sees average daytime highs of 25°C and overnight lows near 21°C, with 106 mm of rain across 19.6 wet days and about 12 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 23% 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 Namavundu's 4th-clearest and 7th-windiest month. For the whole year in context, see Namavundu's year-round climate.

Daytime high
25°
4th warmest
Overnight low
21°
4th coldest
Rainfall
106 mm
19.6 wet days
Daylight
12 hours
6:39 AM – 6:39 PM
Cloud cover
63%
4th clearest
Wind
8 km/h
7th windiest
Solar energy
6.11 kWh/m²
Travel score
5.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Namavundu reaches about 25°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°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)
12520
22520
32520
42520
52520
62520
72520
82520
92520
102521
112521
122521
132521
142621
152621
162621
172621
182621
192621
202621
212621
222621
232621
242621
252621
262621
272621
282621
292621
302621

Namavundu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 21°12117.7125.6
Feb26° / 22°9915.9125.5
Mar26° / 21°18722.1124.8
Apr25° / 21°25427123.9
May25° / 21°20626.5124.3
Jun25° / 20°10119.7125.2
Jul25° / 20°7315.8125.9
Aug25° / 20°8817.9125.7
Sep25° / 21°10619.6125.2
Oct25° / 21°17624.8124.4
Nov25° / 21°21225.4124.2
Dec25° / 21°16322.2124.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
25050
35050
45149
55149
65149
75149
85149
95248
105248
115248
125149
135149
145050
155050
164951
174951
184852
194753
204555
214456
224456
234258
244060
253961
263862
273763
283664
293565
303367

Chance of precipitation in September

Any precipitation

Namavundu gets around 106 mm of rain over 19.6 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 66% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
161
261
362
462
563
663
763
864
964
1064
1165
1265
1365
1465
1565
1666
1766
1866
1966
2066
2166
2267
2367
2467
2568
2669
2769
2870
2971
3071

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 68% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)
14951
24852
34753
44654
54555
64456
74357
84258
94159
104060
113862
123763
133565
143466
153268
163169
173070
182872
192773
202575
212476
222377
232179
242080
251981
261882
271783
281684
291684
301585

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
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 6:44 AM to 6:34 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
212.06:446:44
312.06:446:44
412.06:436:44
512.06:436:43
612.06:436:43
712.06:426:43
812.06:426:42
912.06:426:42
1012.06:416:41
1112.06:416:41
1212.06:406:41
1312.06:406:40
1412.06:406:40
1512.06:396:39
1612.06:396:39
1712.06:396:39
1812.06:386:38
1912.06:386:38
2012.06:386:38
2112.06:376:37
2212.06:376:37
2312.06:366:36
2412.06:366:36
2512.06:366:36
2612.06:356:35
2712.06:356:35
2812.06:356:35
2912.06:346:34
3012.06:346:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.11 kWh/m².

For context, solar energy here swings from a low near 5.28 kWh/m² to a high of 6.37 kWh/m² in February across the year — September's 6.11 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Intense
86.0Intense
96.0Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.0Intense
Planning a trip in September

Is September a good time to visit Namavundu?

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

5.2
Sightseeing
5th-best month of the year
4.8
Beach & pool
5th-best month of the year

September is a reasonable time to visit Namavundu for sightseeing.

What to pack for Namavundu in September

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

In September, Namavundu sees daytime highs around 25°C and nights near 21°C. Pack rain gear and sun protection. Worth having: light clothes. About 20 days see rain.

rain gearsun protectionlight clothes

UV index in Namavundu 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 Namavundu peaks around March 15 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 15UV 15Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Namavundu 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 Namavundu is worst in July — around 35 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (April, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1835 µg/m³Apr 1519 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb29Moderate
Mar21Moderate
Apr19Moderate
May22Moderate
Jun31Moderate
Jul35Poor
Aug32Moderate
Sep28Moderate
Oct26Moderate
Nov25Moderate
Dec27Moderate
Location & terrain

Where is Namavundu?

Namavundu sits at 0.4°N, 33.8°E, 1,201 m above sea level, in Uganda. The nearest listed city is Bugiri, 25 km away.

BusesaMayugeIgangaBusembatiaLugulu

Topography around Namavundu

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

Within 3 km, the terrain around Namavundu has only modest variations in elevation — a maximum elevation change of 119 m around an average of 1,181 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 262 m; within 80 km, significant variations in elevation — a maximum elevation change of 543 m.

The land around Namavundu is covered by shrubs (49%) and trees (40%) within 3 km, shrubs (44%) and trees (28%) within 16 km, and water (29%) and shrubs (25%) within 80 km.

3 km
119 m
16 km
262 m
80 km
543 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Bugiri 25 km · Busia 33 km · Busia 34 km · Busesa 38 km · Mayuge 39 km · Iganga 47 km · Busembatia 51 km · Lugulu 54 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 Namavundu (0.364°, 33.8176°, elevation 1,201 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).