Bombo weather in September

In September, Bombo sees average daytime highs of 26°C and overnight lows near 17°C, with 159 mm of rain across 26.8 wet days and about 12 hours of daylight. It is the 5th-warmest and 5th-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 7% 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 Bombo's 7th-clearest and 9th-windiest month. For the whole year in context, see Bombo's year-round climate.

Daytime high: 26°; 5th warmest
Overnight low: 17°; 4th coldest
Rainfall: 159 mm; 26.8 wet days
Daylight: 12 hours; 6:44 AM – 6:44 PM
Cloud cover: 74%; 7th clearest
Wind: 5 km/h; 9th windiest
Solar energy: 5.38 kWh/m²
Travel score: 3.9; out of 10

← August Bombo 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 26°C through the month.

A typical September day in Bombo reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°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.

	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)	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26
Avg low (°C)	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17

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

Bombo weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 17°	93	16.9	12	5.3
Feb	28° / 18°	93	17.1	12	4.9
Mar	27° / 18°	153	24.9	12	4.2
Apr	26° / 18°	211	28	12	3.7
May	26° / 18°	191	27.7	12	3.9
Jun	26° / 17°	124	23	12	4.6
Jul	26° / 16°	95	18.9	12	5.2
Aug	26° / 17°	140	24.3	12	4.5
Sep	26° / 17°	159	26.8	12	3.9
Oct	26° / 17°	196	28.5	12	3.8
Nov	26° / 17°	188	26.8	12	3.9
Dec	26° / 17°	124	21.8	12	4.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% 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 74%.

	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 (%)	29	29	29	29	29	29	29	30	30	30	30	30	29	29	29	28	28	27	26	25	24	24	22	21	21	20	20	19	19	18
Cloudier (%)	71	71	71	71	71	71	71	70	70	70	70	70	71	71	71	72	72	73	74	75	76	76	78	79	79	80	80	81	81	82

	Clearer (%)	Cloudier (%)
1	29	71
2	29	71
3	29	71
4	29	71
5	29	71
6	29	71
7	29	71
8	30	70
9	30	70
10	30	70
11	30	70
12	30	70
13	29	71
14	29	71
15	29	71
16	28	72
17	28	72
18	27	73
19	26	74
20	25	75
21	24	76
22	24	76
23	22	78
24	21	79
25	21	79
26	20	80
27	20	80
28	19	81
29	19	81
30	18	82

Chance of precipitation in September

Any precipitation

Bombo gets around 159 mm of rain over 26.8 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 89% and peaks near 91% on the wettest days.

	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 (%)	86	87	88	88	89	89	89	89	89	90	90	90	90	89	89	89	89	89	89	89	89	89	89	89	89	90	90	90	90	91

	Rain chance (%)
1	86
2	87
3	88
4	88
5	89
6	89
7	89
8	89
9	89
10	90
11	90
12	90
13	90
14	89
15	89
16	89
17	89
18	89
19	89
20	89
21	89
22	89
23	89
24	89
25	89
26	90
27	90
28	90
29	90
30	91

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 74% 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
Comfortable (%)	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Humid (%)	41	40	39	38	36	35	34	32	31	30	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	15	14	13	13
Muggy (%)	58	59	60	62	64	65	66	68	69	70	70	71	72	73	74	75	76	77	78	79	80	81	82	83	84	85	85	86	87	87

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	41	58
2	1	40	59
3	1	39	60
4	0	38	62
5	0	36	64
6	0	35	65
7	0	34	66
8	0	32	68
9	0	31	69
10	0	30	70
11	0	30	70
12	0	29	71
13	0	28	72
14	0	27	73
15	0	26	74
16	0	25	75
17	0	24	76
18	0	23	77
19	0	22	78
20	0	21	79
21	0	20	80
22	0	19	81
23	0	18	82
24	0	17	83
25	0	16	84
26	0	15	85
27	0	15	85
28	0	14	86
29	0	13	87
30	0	13	87

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 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)	6	6	6	6	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
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	6	calm
2	6	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	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm

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 6:49 AM to 6:39 AM, and sunset from 6:50 PM to 6:39 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)	12.0	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	12.0	12.0	12.0	12.0	12.0	12.0
Sunrise (AM)	6:49	6:49	6:49	6:48	6:48	6:48	6:47	6:47	6:47	6:46	6:46	6:46	6:45	6:45	6:45	6:44	6:44	6:43	6:43	6:43	6:42	6:42	6:42	6:41	6:41	6:41	6:40	6:40	6:40	6:39
Sunset (PM)	6:50	6:50	6:49	6:49	6:49	6:48	6:48	6:47	6:47	6:47	6:46	6:46	6:46	6:45	6:45	6:44	6:44	6:44	6:43	6:43	6:42	6:42	6:42	6:41	6:41	6:41	6:40	6:40	6:39	6:39

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.0	6:49	6:50
2	12.0	6:49	6:50
3	12.0	6:49	6:49
4	12.0	6:48	6:49
5	12.0	6:48	6:49
6	12.0	6:48	6:48
7	12.0	6:47	6:48
8	12.0	6:47	6:47
9	12.0	6:47	6:47
10	12.0	6:46	6:47
11	12.0	6:46	6:46
12	12.0	6:46	6:46
13	12.0	6:45	6:46
14	12.0	6:45	6:45
15	12.0	6:45	6:45
16	12.0	6:44	6:44
17	12.0	6:44	6:44
18	12.0	6:43	6:44
19	12.0	6:43	6:43
20	12.0	6:43	6:43
21	12.0	6:42	6:42
22	12.0	6:42	6:42
23	12.0	6:42	6:42
24	12.0	6:41	6:41
25	12.0	6:41	6:41
26	12.0	6:41	6:41
27	12.0	6:40	6:40
28	12.0	6:40	6:40
29	12.0	6:40	6:39
30	12.0	6:39	6:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.38 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 5.87 kWh/m² in February across the year — September's 5.38 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)	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.3	5.3
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	5.3	Bright
2	5.3	Bright
3	5.3	Bright
4	5.3	Bright
5	5.3	Bright
6	5.3	Bright
7	5.3	Bright
8	5.3	Bright
9	5.3	Bright
10	5.3	Bright
11	5.4	Bright
12	5.4	Bright
13	5.4	Bright
14	5.4	Bright
15	5.4	Bright
16	5.4	Bright
17	5.4	Bright
18	5.4	Bright
19	5.4	Bright
20	5.4	Bright
21	5.4	Bright
22	5.4	Bright
23	5.4	Bright
24	5.4	Bright
25	5.4	Bright
26	5.4	Bright
27	5.4	Bright
28	5.4	Bright
29	5.3	Bright
30	5.3	Bright

Planning a trip in September

Is September a good time to visit Bombo?

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

3.9

Sightseeing

8th-best month of the year

3.8

Beach & pool

8th-best month of the year

September is a weaker month for outdoor sightseeing in Bombo.

What to pack for Bombo in September

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

In September, Bombo sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

UV index in Bombo 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 Bombo 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.

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

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

Air quality in Bombo 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 Bombo is worst in January — around 54 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (May, 31 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)	54	48	37	32	31	38	40	39	38	38	40	46
Level	Poor	Poor	Poor	Moderate	Moderate	Poor	Poor	Poor	Poor	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	54	Poor
Feb	48	Poor
Mar	37	Poor
Apr	32	Moderate
May	31	Moderate
Jun	38	Poor
Jul	40	Poor
Aug	39	Poor
Sep	38	Poor
Oct	38	Poor
Nov	40	Poor
Dec	46	Poor

Location & terrain

Where is Bombo?

Bombo sits at 0.6°N, 32.5°E, 1,174 m above sea level, in Uganda. The nearest listed city is Namasuba, 17 km away.

Topography around Bombo

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

Within 3 km, the terrain around Bombo has only modest variations in elevation — a maximum elevation change of 108 m around an average of 1,184 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 228 m; within 80 km, significant variations in elevation — a maximum elevation change of 575 m.

The land around Bombo is covered by trees (43%) and shrubs (40%) within 3 km, trees (47%) and shrubs (42%) within 16 km, and trees (36%) and shrubs (32%) within 80 km.

3 km

108 m

trees 43%

16 km

228 m

trees 47%

80 km

575 m

trees 36%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

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

September weather nearby: Namasuba 17 km · Wobulenzi 17 km · Kasangati 18 km · Kiziba 20 km · Wakiso 20 km · Kakiri 22 km · Kira 23 km · Nansana 23 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 Bombo (0.5739°, 32.5155°, elevation 1,174 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	26	17
2	26	17
3	26	17
4	26	17
5	26	17
6	26	17
7	26	17
8	26	17
9	26	17
10	26	17
11	26	17
12	26	17
13	26	17
14	26	17
15	26	17
16	26	17
17	26	17
18	26	17
19	26	17
20	26	17
21	26	17
22	26	17
23	26	17
24	26	17
25	26	17
26	26	17
27	26	17
28	26	17
29	26	17
30	26	17

	Clearer (%)	Cloudier (%)
1	29	71
2	29	71
3	29	71
4	29	71
5	29	71
6	29	71
7	29	71
8	30	70
9	30	70
10	30	70
11	30	70
12	30	70
13	29	71
14	29	71
15	29	71
16	28	72
17	28	72
18	27	73
19	26	74
20	25	75
21	24	76
22	24	76
23	22	78
24	21	79
25	21	79
26	20	80
27	20	80
28	19	81
29	19	81
30	18	82

	Rain chance (%)
1	86
2	87
3	88
4	88
5	89
6	89
7	89
8	89
9	89
10	90
11	90
12	90
13	90
14	89
15	89
16	89
17	89
18	89
19	89
20	89
21	89
22	89
23	89
24	89
25	89
26	90
27	90
28	90
29	90
30	91

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	41	58
2	1	40	59
3	1	39	60
4	0	38	62
5	0	36	64
6	0	35	65
7	0	34	66
8	0	32	68
9	0	31	69
10	0	30	70
11	0	30	70
12	0	29	71
13	0	28	72
14	0	27	73
15	0	26	74
16	0	25	75
17	0	24	76
18	0	23	77
19	0	22	78
20	0	21	79
21	0	20	80
22	0	19	81
23	0	18	82
24	0	17	83
25	0	16	84
26	0	15	85
27	0	15	85
28	0	14	86
29	0	13	87
30	0	13	87

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

	Clearer (%)	Cloudier (%)
1	29	71
2	29	71
3	29	71
4	29	71
5	29	71
6	29	71
7	29	71
8	30	70
9	30	70
10	30	70
11	30	70
12	30	70
13	29	71
14	29	71
15	29	71
16	28	72
17	28	72
18	27	73
19	26	74
20	25	75
21	24	76
22	24	76
23	22	78
24	21	79
25	21	79
26	20	80
27	20	80
28	19	81
29	19	81
30	18	82

	Rain chance (%)
1	86
2	87
3	88
4	88
5	89
6	89
7	89
8	89
9	89
10	90
11	90
12	90
13	90
14	89
15	89
16	89
17	89
18	89
19	89
20	89
21	89
22	89
23	89
24	89
25	89
26	90
27	90
28	90
29	90
30	91

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	41	58
2	1	40	59
3	1	39	60
4	0	38	62
5	0	36	64
6	0	35	65
7	0	34	66
8	0	32	68
9	0	31	69
10	0	30	70
11	0	30	70
12	0	29	71
13	0	28	72
14	0	27	73
15	0	26	74
16	0	25	75
17	0	24	76
18	0	23	77
19	0	22	78
20	0	21	79
21	0	20	80
22	0	19	81
23	0	18	82
24	0	17	83
25	0	16	84
26	0	15	85
27	0	15	85
28	0	14	86
29	0	13	87
30	0	13	87

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

	Clearer (%)	Cloudier (%)
1	29	71
2	29	71
3	29	71
4	29	71
5	29	71
6	29	71
7	29	71
8	30	70
9	30	70
10	30	70
11	30	70
12	30	70
13	29	71
14	29	71
15	29	71
16	28	72
17	28	72
18	27	73
19	26	74
20	25	75
21	24	76
22	24	76
23	22	78
24	21	79
25	21	79
26	20	80
27	20	80
28	19	81
29	19	81
30	18	82

	Rain chance (%)
1	86
2	87
3	88
4	88
5	89
6	89
7	89
8	89
9	89
10	90
11	90
12	90
13	90
14	89
15	89
16	89
17	89
18	89
19	89
20	89
21	89
22	89
23	89
24	89
25	89
26	90
27	90
28	90
29	90
30	91

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	41	58
2	1	40	59
3	1	39	60
4	0	38	62
5	0	36	64
6	0	35	65
7	0	34	66
8	0	32	68
9	0	31	69
10	0	30	70
11	0	30	70
12	0	29	71
13	0	28	72
14	0	27	73
15	0	26	74
16	0	25	75
17	0	24	76
18	0	23	77
19	0	22	78
20	0	21	79
21	0	20	80
22	0	19	81
23	0	18	82
24	0	17	83
25	0	16	84
26	0	15	85
27	0	15	85
28	0	14	86
29	0	13	87
30	0	13	87