Njeru weather in September

In September, Njeru sees average daytime highs of 26°C and overnight lows near 19°C, with 151 mm of rain across 24.9 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 26°C through the month. The sky is clear or mostly clear about 12% 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 Njeru's 6th-clearest and 8th-windiest month. For the whole year in context, see Njeru's year-round climate.

Daytime high
26°
5th warmest
Overnight low
19°
3rd coldest
Rainfall
151 mm
24.9 wet days
Daylight
12 hours
6:42 AM – 6:42 PM
Cloud cover
70%
6th clearest
Wind
6 km/h
8th windiest
Solar energy
5.6 kWh/m²
Travel score
4.2
out of 10

Njeru is town in Buikwe District, Central Region of 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 Njeru reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°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)
12619
22619
32619
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242619
252619
262619
272619
282619
292619
302619

Njeru 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
Jan27° / 19°11718.5125.2
Feb28° / 20°10317.1125.0
Mar27° / 20°17824124.3
Apr26° / 20°24028.1123.6
May26° / 20°21528.5123.8
Jun26° / 19°14223.7124.5
Jul26° / 18°11620.6125.0
Aug26° / 19°13823.1124.7
Sep26° / 19°15124.9124.2
Oct26° / 19°19127.3123.9
Nov26° / 19°20226.3123.9
Dec26° / 19°15322.4124.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33961
43961
53961
63862
73961
83862
93862
103862
113862
123763
133763
143763
153664
163664
173565
183466
193367
203268
213169
222971
232971
242773
252674
262575
272575
282476
292476
302377

Chance of precipitation in September

Any precipitation

Njeru gets around 151 mm of rain over 24.9 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 83% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
181
281
382
482
583
683
783
883
983
1083
1183
1283
1383
1483
1583
1682
1782
1882
1982
2082
2183
2283
2383
2484
2584
2684
2785
2885
2985
3085

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
16940
25950
35950
45950
54960
64960
74960
83970
93970
103970
112980
122980
132980
142980
151990
161990
171990
181981
191981
201981
211981
221981
231981
241981
251981
261981
271981
281981
291981
301981

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:47 AM to 6:37 AM, and sunset from 6:47 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:476:47
212.06:466:47
312.06:466:47
412.06:466:46
512.06:456:46
612.06:456:45
712.06:456:45
812.06:446:45
912.06:446:44
1012.06:446:44
1112.06:436:44
1212.06:436:43
1312.06:436:43
1412.06:426:42
1512.06:426:42
1612.06:426:42
1712.06:416:41
1812.06:416:41
1912.06:406:41
2012.06:406:40
2112.06:406:40
2212.06:396:39
2312.06:396:39
2412.06:396:39
2512.06:386:38
2612.06:386:38
2712.06:386:38
2812.06:376:37
2912.06:376:37
3012.06:376:36

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 4.83 kWh/m² to a high of 6.07 kWh/m² in February across the year — September's 5.6 kWh/m² falls in the middle.

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
195.7Bright
205.7Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Njeru?

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

4.2
Sightseeing
8th-best month of the year
4.1
Beach & pool
8th-best month of the year

September is a reasonable time to visit Njeru for sightseeing.

What to pack for Njeru in September

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

In September, Njeru sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 25 days see rain.

rain gearlight clothessun protection

UV index in Njeru 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 Njeru peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 17UV 15Jun 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov11Extreme
Dec12Extreme

Air quality in Njeru 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 Njeru is worst in January — around 50 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (April, 29 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorModeratePoorJan 1749 µg/m³Apr 1829 µg/m³
PM2.5 (µg/m³)Level
Jan50Poor
Feb43Poor
Mar33Moderate
Apr29Moderate
May31Moderate
Jun39Poor
Jul41Poor
Aug39Poor
Sep34Moderate
Oct33Moderate
Nov36Poor
Dec41Poor
Location & terrain

Where is Njeru?

Njeru sits at 0.4°N, 33.2°E, 1,152 m above sea level, in Uganda. The nearest listed city is Jinja, 3.0 km away.

Topography around Njeru

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

Within 3 km, the terrain around Njeru has only modest variations in elevation — a maximum elevation change of 227 m around an average of 1,179 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 293 m; within 80 km, significant variations in elevation — a maximum elevation change of 332 m.

The land around Njeru is covered by trees (45%) within 3 km, trees (52%) within 16 km, and trees (34%), water (30%) and shrubs (20%) within 80 km.

3 km
227 m
16 km
293 m
80 km
332 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Jinja 3.0 km · Bugembe 8.0 km · Kakira 14 km · Magamaga 21 km · Buikwe 22 km · Buwenge 23 km · Lugazi 28 km · Mayuge 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 Njeru (0.4417°, 33.1792°, elevation 1,152 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).