Yumbe weather in September

In September, Yumbe sees average daytime highs of 29°C and overnight lows near 20°C, with 109 mm of rain across 17.5 wet days and about 12 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°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 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Yumbe's 4th-clearest and 9th-windiest month. For the whole year in context, see Yumbe's year-round climate.

Daytime high: 29°; 10th warmest
Overnight low: 20°; 3rd coldest
Rainfall: 109 mm; 17.5 wet days
Daylight: 12 hours; 6:49 AM – 6:50 PM
Cloud cover: 62%; 4th clearest
Wind: 6 km/h; 9th windiest
Solar energy: 5.81 kWh/m²
Travel score: 4.5; out of 10

Yumbe is place in Northern Region of Uganda, Uganda.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Yumbe year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Yumbe reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs on par with August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29
Avg low (°C)	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20

	Avg high (°C)	Avg low (°C)
1	29	20
2	29	20
3	29	20
4	29	20
5	29	20
6	29	20
7	29	20
8	29	20
9	29	20
10	29	20
11	29	20
12	29	20
13	29	20
14	29	20
15	29	20
16	29	20
17	29	20
18	29	20
19	29	20
20	29	20
21	29	20
22	29	20
23	29	20
24	29	20
25	29	20
26	29	20
27	29	20
28	29	20
29	29	20
30	29	20

How September really feels in Yumbe

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Yumbe weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 22°	9	1.6	11.8	4.1
Feb	34° / 23°	12	2.3	11.9	3.4
Mar	33° / 23°	47	9.1	12	3.3
Apr	31° / 22°	90	15.3	12.1	3.8
May	30° / 21°	68	12.8	12.2	4.6
Jun	30° / 21°	69	11.6	12.2	5.0
Jul	29° / 20°	100	15.9	12.2	4.9
Aug	29° / 20°	131	20	12.1	4.4
Sep	29° / 20°	109	17.5	12	4.5
Oct	29° / 20°	128	18.9	11.9	4.2
Nov	30° / 21°	85	14.1	11.8	4.6
Dec	31° / 21°	18	3.7	11.8	4.9

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 23% of September, with mostly cloudy or overcast conditions the remaining 53%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	43	44	44	46	47	48	49	50	51	52	52	53	54	53	53	53	52	51	50	49	48	46	46	44	42	40	40	39	37	36
Cloudier (%)	57	56	56	54	53	52	51	50	49	48	48	47	46	47	47	47	48	49	50	51	52	54	54	56	58	60	60	61	63	64

	Clearer (%)	Cloudier (%)
1	43	57
2	44	56
3	44	56
4	46	54
5	47	53
6	48	52
7	49	51
8	50	50
9	51	49
10	52	48
11	52	48
12	53	47
13	54	46
14	53	47
15	53	47
16	53	47
17	52	48
18	51	49
19	50	50
20	49	51
21	48	52
22	46	54
23	46	54
24	44	56
25	42	58
26	40	60
27	40	60
28	39	61
29	37	63
30	36	64

Chance of precipitation in September

Any precipitation

Yumbe gets around 109 mm of rain over 17.5 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 58% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	68	68	67	67	66	66	65	64	63	62	61	59	58	57	57	56	55	54	54	53	53	53	53	53	53	53	53	54	54	54

	Rain chance (%)
1	68
2	68
3	67
4	67
5	66
6	66
7	65
8	64
9	63
10	62
11	61
12	59
13	58
14	57
15	57
16	56
17	55
18	54
19	54
20	53
21	53
22	53
23	53
24	53
25	53
26	53
27	53
28	54
29	54
30	54

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Humid (%)	8	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	11	11	11	10	10	10	10	10	10	9	9
Muggy (%)	92	91	91	91	91	91	91	91	91	90	90	90	90	90	90	90	90	90	90	89	89	89	90	90	90	90	90	90	91	91

	Humid (%)	Muggy (%)
1	8	92
2	9	91
3	9	91
4	9	91
5	9	91
6	9	91
7	9	91
8	9	91
9	9	91
10	10	90
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	10	90
17	10	90
18	10	90
19	10	90
20	11	89
21	11	89
22	11	89
23	10	90
24	10	90
25	10	90
26	10	90
27	10	90
28	10	90
29	9	91
30	9	91

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	5	5	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	5	calm
2	5	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:53 AM to 6:45 AM, and sunset from 6:57 PM to 6:44 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0
Sunrise (AM)	6:53	6:52	6:52	6:52	6:52	6:51	6:51	6:51	6:51	6:50	6:50	6:50	6:50	6:49	6:49	6:49	6:48	6:48	6:48	6:48	6:47	6:47	6:47	6:47	6:46	6:46	6:46	6:46	6:45	6:45
Sunset (PM)	6:57	6:56	6:56	6:55	6:55	6:55	6:54	6:54	6:53	6:53	6:52	6:52	6:51	6:51	6:50	6:50	6:49	6:49	6:48	6:48	6:48	6:47	6:47	6:46	6:46	6:45	6:45	6:44	6:44	6:44

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	6:53	6:57
2	12.1	6:52	6:56
3	12.1	6:52	6:56
4	12.1	6:52	6:55
5	12.1	6:52	6:55
6	12.1	6:51	6:55
7	12.0	6:51	6:54
8	12.0	6:51	6:54
9	12.0	6:51	6:53
10	12.0	6:50	6:53
11	12.0	6:50	6:52
12	12.0	6:50	6:52
13	12.0	6:50	6:51
14	12.0	6:49	6:51
15	12.0	6:49	6:50
16	12.0	6:49	6:50
17	12.0	6:48	6:49
18	12.0	6:48	6:49
19	12.0	6:48	6:48
20	12.0	6:48	6:48
21	12.0	6:47	6:48
22	12.0	6:47	6:47
23	12.0	6:47	6:47
24	12.0	6:47	6:46
25	12.0	6:46	6:46
26	12.0	6:46	6:45
27	12.0	6:46	6:45
28	12.0	6:46	6:44
29	12.0	6:45	6:44
30	12.0	6:45	6:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.81 kWh/m².

For context, solar energy here swings from a low near 5.11 kWh/m² to a high of 6.21 kWh/m² in February across the year — September's 5.81 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.6	5.6	5.7	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.6	Bright
2	5.6	Bright
3	5.7	Bright
4	5.7	Bright
5	5.7	Bright
6	5.7	Bright
7	5.7	Bright
8	5.8	Bright
9	5.8	Bright
10	5.8	Bright
11	5.8	Bright
12	5.8	Bright
13	5.8	Bright
14	5.8	Bright
15	5.9	Bright
16	5.9	Bright
17	5.9	Bright
18	5.9	Bright
19	5.9	Bright
20	5.9	Bright
21	5.9	Bright
22	5.9	Bright
23	5.8	Bright
24	5.8	Bright
25	5.8	Bright
26	5.8	Bright
27	5.8	Bright
28	5.8	Bright
29	5.8	Bright
30	5.8	Bright

Planning a trip in September

Hazard calendar for Yumbe

In seasonPeak

In September, Yumbe sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Yumbe's rainy season runs April–November, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is September a good time to visit Yumbe?

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

4.5

Sightseeing

6th-best month of the year

5.7

Beach & pool

9th-best month of the year

September is a reasonable time to visit Yumbe for sightseeing.

What to pack for Yumbe in September

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

In September, Yumbe sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

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

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	14	15	14	12	10	10	12	13	13	11	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	11	Extreme
Feb	14	Extreme
Mar	15	Extreme
Apr	14	Extreme
May	12	Extreme
Jun	10	Extreme
Jul	10	Extreme
Aug	12	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	11	Extreme
Dec	10	Very high

Air quality in Yumbe 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 Yumbe is worst in January — around 107 µg/m³ PM2.5 (unhealthy), about 7.7× the cleanest month (April, 14 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	107	43	21	14	14	22	23	19	16	15	24	81
Level	Unhealthy	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	107	Unhealthy
Feb	43	Poor
Mar	21	Moderate
Apr	14	Moderate
May	14	Moderate
Jun	22	Moderate
Jul	23	Moderate
Aug	19	Moderate
Sep	16	Moderate
Oct	15	Moderate
Nov	24	Moderate
Dec	81	Unhealthy

Location & terrain

Where is Yumbe?

Yumbe sits at 3.5°N, 31.2°E, 982 m above sea level, in Uganda. The nearest listed city is Koboko, 32 km away.

Topography around Yumbe

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

Within 3 km, the terrain around Yumbe has only modest variations in elevation — a maximum elevation change of 78 m around an average of 967 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 484 m; within 80 km, large variations in elevation — a maximum elevation change of 1,063 m.

The land around Yumbe is covered by grassland (43%) and shrubs (31%) within 3 km, shrubs (44%) and grassland (43%) within 16 km, and shrubs (42%), grassland (33%) and trees (20%) within 80 km.

3 km

78 m

grassland 43%

16 km

484 m

shrubs 44%

80 km

1,063 m

shrubs 42%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

← August Yumbe year-round climate October →Best places to visit in September

September weather nearby: Koboko 32 km · Moyo 57 km · Adjumani 61 km · Arua 62 km · Aru 81 km · Yei 94 km · Nebbi 111 km · Pakwach 115 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

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 Yumbe (3.4651°, 31.2469°, elevation 982 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).

	Avg high (°C)	Avg low (°C)
1	29	20
2	29	20
3	29	20
4	29	20
5	29	20
6	29	20
7	29	20
8	29	20
9	29	20
10	29	20
11	29	20
12	29	20
13	29	20
14	29	20
15	29	20
16	29	20
17	29	20
18	29	20
19	29	20
20	29	20
21	29	20
22	29	20
23	29	20
24	29	20
25	29	20
26	29	20
27	29	20
28	29	20
29	29	20
30	29	20

	Clearer (%)	Cloudier (%)
1	43	57
2	44	56
3	44	56
4	46	54
5	47	53
6	48	52
7	49	51
8	50	50
9	51	49
10	52	48
11	52	48
12	53	47
13	54	46
14	53	47
15	53	47
16	53	47
17	52	48
18	51	49
19	50	50
20	49	51
21	48	52
22	46	54
23	46	54
24	44	56
25	42	58
26	40	60
27	40	60
28	39	61
29	37	63
30	36	64

	Rain chance (%)
1	68
2	68
3	67
4	67
5	66
6	66
7	65
8	64
9	63
10	62
11	61
12	59
13	58
14	57
15	57
16	56
17	55
18	54
19	54
20	53
21	53
22	53
23	53
24	53
25	53
26	53
27	53
28	54
29	54
30	54

	Humid (%)	Muggy (%)
1	8	92
2	9	91
3	9	91
4	9	91
5	9	91
6	9	91
7	9	91
8	9	91
9	9	91
10	10	90
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	10	90
17	10	90
18	10	90
19	10	90
20	11	89
21	11	89
22	11	89
23	10	90
24	10	90
25	10	90
26	10	90
27	10	90
28	10	90
29	9	91
30	9	91

	Avg high (°C)	Avg low (°C)
1	29	20
2	29	20
3	29	20
4	29	20
5	29	20
6	29	20
7	29	20
8	29	20
9	29	20
10	29	20
11	29	20
12	29	20
13	29	20
14	29	20
15	29	20
16	29	20
17	29	20
18	29	20
19	29	20
20	29	20
21	29	20
22	29	20
23	29	20
24	29	20
25	29	20
26	29	20
27	29	20
28	29	20
29	29	20
30	29	20

	Clearer (%)	Cloudier (%)
1	43	57
2	44	56
3	44	56
4	46	54
5	47	53
6	48	52
7	49	51
8	50	50
9	51	49
10	52	48
11	52	48
12	53	47
13	54	46
14	53	47
15	53	47
16	53	47
17	52	48
18	51	49
19	50	50
20	49	51
21	48	52
22	46	54
23	46	54
24	44	56
25	42	58
26	40	60
27	40	60
28	39	61
29	37	63
30	36	64

	Rain chance (%)
1	68
2	68
3	67
4	67
5	66
6	66
7	65
8	64
9	63
10	62
11	61
12	59
13	58
14	57
15	57
16	56
17	55
18	54
19	54
20	53
21	53
22	53
23	53
24	53
25	53
26	53
27	53
28	54
29	54
30	54

	Humid (%)	Muggy (%)
1	8	92
2	9	91
3	9	91
4	9	91
5	9	91
6	9	91
7	9	91
8	9	91
9	9	91
10	10	90
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	10	90
17	10	90
18	10	90
19	10	90
20	11	89
21	11	89
22	11	89
23	10	90
24	10	90
25	10	90
26	10	90
27	10	90
28	10	90
29	9	91
30	9	91

	Avg high (°C)	Avg low (°C)
1	29	20
2	29	20
3	29	20
4	29	20
5	29	20
6	29	20
7	29	20
8	29	20
9	29	20
10	29	20
11	29	20
12	29	20
13	29	20
14	29	20
15	29	20
16	29	20
17	29	20
18	29	20
19	29	20
20	29	20
21	29	20
22	29	20
23	29	20
24	29	20
25	29	20
26	29	20
27	29	20
28	29	20
29	29	20
30	29	20

	Clearer (%)	Cloudier (%)
1	43	57
2	44	56
3	44	56
4	46	54
5	47	53
6	48	52
7	49	51
8	50	50
9	51	49
10	52	48
11	52	48
12	53	47
13	54	46
14	53	47
15	53	47
16	53	47
17	52	48
18	51	49
19	50	50
20	49	51
21	48	52
22	46	54
23	46	54
24	44	56
25	42	58
26	40	60
27	40	60
28	39	61
29	37	63
30	36	64

	Rain chance (%)
1	68
2	68
3	67
4	67
5	66
6	66
7	65
8	64
9	63
10	62
11	61
12	59
13	58
14	57
15	57
16	56
17	55
18	54
19	54
20	53
21	53
22	53
23	53
24	53
25	53
26	53
27	53
28	54
29	54
30	54

	Humid (%)	Muggy (%)
1	8	92
2	9	91
3	9	91
4	9	91
5	9	91
6	9	91
7	9	91
8	9	91
9	9	91
10	10	90
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	10	90
17	10	90
18	10	90
19	10	90
20	11	89
21	11	89
22	11	89
23	10	90
24	10	90
25	10	90
26	10	90
27	10	90
28	10	90
29	9	91
30	9	91