Nyamunuka weather in September

In September, Nyamunuka sees average daytime highs of 26°C and overnight lows near 16°C, with 133 mm of rain across 21 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 6% of the time in September, and the air most often feels comfortable.

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 Nyamunuka's 4th-clearest and 4th-windiest month. For the whole year in context, see Nyamunuka's year-round climate.

Daytime high
26°
4th warmest
Overnight low
16°
7th coldest
Rainfall
133 mm
21 wet days
Daylight
12 hours
6:54 AM – 6:54 PM
Cloud cover
74%
4th clearest
Wind
5 km/h
4th windiest
Solar energy
5.74 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 26°C through the month.

A typical September day in Nyamunuka reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°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.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616

Nyamunuka 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
Jan26° / 16°10319.1125.2
Feb26° / 16°9015.4125.3
Mar26° / 16°14222.8124.6
Apr25° / 16°15323.3124.4
May26° / 16°11219.2125.2
Jun26° / 16°6013125.9
Jul26° / 15°4211.1126.2
Aug26° / 16°9618.2125.2
Sep26° / 16°13321124.8
Oct25° / 16°17825.3124.3
Nov25° / 15°18926124.1
Dec25° / 15°15024124.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12773
22674
32674
42773
52773
62773
72872
82872
92872
102872
112872
122773
132773
142773
152674
162773
172674
182575
192575
202476
212377
222377
232278
242278
252278
262278
272179
282179
292179
302080

Chance of precipitation in September

Any precipitation

Nyamunuka gets around 133 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 70% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
166
267
367
468
569
669
769
869
969
1069
1169
1269
1369
1468
1568
1668
1768
1868
1968
2068
2169
2270
2370
2471
2572
2673
2774
2874
2975
3076

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1225622
2205822
3195823
4185824
5175924
6165925
7156025
8156025
9146125
10146125
11136225
12126325
13126424
14126424
15116524
16116524
17116524
18106624
19106624
2096625
2196625
2286626
2386626
2476627
2576528
2666529
2766430
2856431
2956332
3056233

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 7:00 AM to 6:49 AM, and sunset from 6:59 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.07:006:59
212.06:596:59
312.06:596:58
412.06:596:58
512.06:586:58
612.06:586:57
712.06:586:57
812.06:576:57
912.06:576:56
1012.06:566:56
1112.06:566:56
1212.06:566:55
1312.06:556:55
1412.06:556:55
1512.06:546:54
1612.06:546:54
1712.06:546:53
1812.06:536:53
1912.06:536:53
2012.06:536:52
2112.06:526:52
2212.06:526:52
2312.06:516:51
2412.06:516:51
2512.06:516:51
2612.06:506:50
2712.06:506:50
2812.06:496:50
2912.06:496:49
3012.06:496:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.74 kWh/m².

For context, solar energy here swings from a low near 5.18 kWh/m² to a high of 5.95 kWh/m² in February across the year — September's 5.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Nyamunuka?

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

4.8
Sightseeing
7th-best month of the year
4.6
Beach & pool
7th-best month of the year

September is a reasonable time to visit Nyamunuka for sightseeing.

What to pack for Nyamunuka in September

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

In September, Nyamunuka sees daytime highs around 26°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

UV index in Nyamunuka in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nyamunuka peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 16Jun 21UV 10
UV index (midday)Level
Jan11Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug10Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Nyamunuka 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 Nyamunuka is worst in July — around 79 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJul 1578 µg/m³Apr 2259 µg/m³
PM2.5 (µg/m³)Level
Jan77Unhealthy
Feb77Unhealthy
Mar63Unhealthy
Apr59Unhealthy
May60Unhealthy
Jun72Unhealthy
Jul79Unhealthy
Aug68Unhealthy
Sep60Unhealthy
Oct59Unhealthy
Nov61Unhealthy
Dec68Unhealthy
Location & terrain

Where is Nyamunuka?

Nyamunuka sits at 0.8°S, 30.1°E, 1,542 m above sea level, in Uganda. The nearest listed city is Rukungiri, 17 km away.

KanunguNyacheraMabareKyamahunguRutoma

Topography around Nyamunuka

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

Within 3 km, the terrain around Nyamunuka has significant variations in elevation — a maximum elevation change of 320 m around an average of 1,516 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 622 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,160 m.

The land around Nyamunuka is covered by shrubs (36%), trees (25%) and cropland (20%) within 3 km, grassland (46%), trees (26%) and shrubs (20%) within 16 km, and trees (40%) and grassland (34%) within 80 km.

3 km
320 m
16 km
622 m
80 km
3,160 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Rukungiri 17 km · Ntungamo 20 km · Ishaka 33 km · Kanungu 36 km · Nyachera 37 km · Mabare 42 km · Kyamahungu 43 km · Rutoma 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 Nyamunuka (-0.8349°, 30.0922°, elevation 1,542 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).