Apac weather in September

In September, Apac sees average daytime highs of 28°C and overnight lows near 19°C, with 123 mm of rain across 19.6 wet days and about 12 hours of daylight. It is the 7th-warmest and 6th-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 24% 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 Apac's 3rd-clearest and 8th-windiest month. For the whole year in context, see Apac's year-round climate.

Daytime high
28°
7th warmest
Overnight low
19°
3rd coldest
Rainfall
123 mm
19.6 wet days
Daylight
12 hours
6:44 AM – 6:44 PM
Cloud cover
60%
3rd clearest
Wind
6 km/h
8th windiest
Solar energy
6.02 kWh/m²
Travel score
4.5
out of 10

Apac is place in Northern 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 Apac reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192919
202919
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920

How September really feels in Apac

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Apac weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°275.411.94.9
Feb32° / 21°306.611.94.1
Mar31° / 21°10414.6123.9
Apr29° / 21°16822.5123.8
May28° / 20°14222.812.14.4
Jun28° / 20°9718.112.15.1
Jul27° / 19°9518.112.15.2
Aug28° / 19°13121.512.14.8
Sep28° / 19°12319.6124.5
Oct28° / 20°16121.8124.2
Nov28° / 20°12717.611.94.6
Dec30° / 20°477.911.95.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 28% of September, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25347
35347
45347
55446
65446
75545
85446
95545
105545
115545
125644
135644
145545
155644
165545
175545
185446
195347
205347
215248
225050
235050
244852
254753
264555
274456
284357
294258
304159

Chance of precipitation in September

Any precipitation

Apac gets around 123 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 65% and peaks near 70% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
170
270
370
469
569
668
768
867
966
1066
1165
1264
1364
1463
1562
1662
1762
1862
1962
2062
2163
2263
2363
2464
2564
2665
2765
2866
2966
3066

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
101387
201486
301486
401486
501387
601387
701387
801387
911386
1011287
1111287
1211287
1311287
1411287
1511287
1611287
1711386
1811386
1911386
2011386
2111386
2211485
2311485
2411485
2511584
2611584
2711584
2801585
2901684
3001684

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
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 6:48 AM to 6:40 AM, and sunset from 6:51 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:486:51
212.06:486:50
312.06:486:50
412.06:486:50
512.06:476:49
612.06:476:49
712.06:476:48
812.06:466:48
912.06:466:47
1012.06:466:47
1112.06:456:47
1212.06:456:46
1312.06:456:46
1412.06:446:45
1512.06:446:45
1612.06:446:44
1712.06:446:44
1812.06:436:44
1912.06:436:43
2012.06:436:43
2112.06:426:42
2212.06:426:42
2312.06:426:42
2412.06:416:41
2512.06:416:41
2612.06:416:40
2712.06:406:40
2812.06:406:39
2912.06:406:39
3012.06:406:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.02 kWh/m².

For context, solar energy here swings from a low near 5.22 kWh/m² to a high of 6.34 kWh/m² in February across the year — September's 6.02 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.0Intense
Planning a trip in September

Is September a good time to visit Apac?

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

4.5
Sightseeing
7th-best month of the year
5.3
Beach & pool
8th-best month of the year

September is a reasonable time to visit Apac for sightseeing.

What to pack for Apac in September

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

In September, Apac sees daytime highs around 28°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Apac 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 Apac peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 20UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov11Extreme
Dec11Extreme

Air quality in Apac 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 Apac is worst in January — around 55 µg/m³ PM2.5 (poor), about 3.4× the cleanest month (April, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateJan 1852 µg/m³Apr 2016 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb39Poor
Mar21Moderate
Apr16Moderate
May17Moderate
Jun26Moderate
Jul28Moderate
Aug22Moderate
Sep19Moderate
Oct19Moderate
Nov23Moderate
Dec33Moderate
Location & terrain

Where is Apac?

Apac sits at 2.0°N, 32.5°E, 1,038 m above sea level, in Uganda. The nearest listed city is Kiryandongo Refugee Camp, 42 km away.

Kiryandongo Refugee CampBuyaleLiraKigumbaOpitDokoloGuluAnaka

Topography around Apac

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

Within 3 km, the terrain around Apac has only modest variations in elevation — a maximum elevation change of 37 m around an average of 1,049 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, significant variations in elevation — a maximum elevation change of 528 m.

The land around Apac is covered by shrubs (38%) and cropland (33%) within 3 km, cropland (57%) and shrubs (24%) within 16 km, and cropland (38%) and shrubs (22%) within 80 km.

3 km
37 m
16 km
62 m
80 km
528 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Kiryandongo Refugee Camp 42 km · Buyale 47 km · Lira 50 km · Kigumba 62 km · Opit 71 km · Dokolo 72 km · Gulu 93 km · Anaka 96 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 Apac (1.9756°, 32.5386°, elevation 1,038 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).