Mbarara weather in September

In September, Mbarara sees average daytime highs of 27°C and overnight lows near 16°C, with 70 mm of rain across 17.5 wet days and about 12 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 12% 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 Mbarara's 4th-clearest and 5th-windiest month. For the whole year in context, see Mbarara's year-round climate.

Daytime high: 27°; 6th warmest
Overnight low: 16°; 2nd coldest
Rainfall: 70 mm; 17.5 wet days
Daylight: 12 hours; 6:52 AM – 6:52 PM
Cloud cover: 70%; 4th clearest
Wind: 7 km/h; 5th windiest
Solar energy: 5.5 kWh/m²
Travel score: 5.2; out of 10

Mbarara is city in Uganda.

Founded: 1901

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

← August Mbarara 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 27°C through the month.

A typical September day in Mbarara reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°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)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27
Avg low (°C)	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16

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

Mbarara weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 17°	35	9.5	12	6.1
Feb	28° / 17°	38	9.1	12	5.5
Mar	28° / 17°	66	15.3	12	5.3
Apr	27° / 17°	85	19.4	12	4.8
May	27° / 17°	65	15.8	12	5.6
Jun	27° / 16°	26	6.8	12	6.7
Jul	27° / 16°	13	3.5	12	7.1
Aug	27° / 16°	46	11.2	12	6.1
Sep	27° / 16°	70	17.5	12	5.2
Oct	27° / 16°	101	22.9	12	4.5
Nov	26° / 16°	103	22.5	12	4.5
Dec	26° / 16°	61	15.4	12	5.6

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 21% of September, with mostly cloudy or overcast conditions the remaining 67%.

	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 (%)	36	36	35	36	36	36	36	36	36	36	36	36	36	35	35	35	34	34	33	33	32	32	32	30	29	29	28	28	28	27
Cloudier (%)	64	64	65	64	64	64	64	64	64	64	64	64	64	65	65	65	66	66	67	67	68	68	68	70	71	71	72	72	72	73

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	35	65
4	36	64
5	36	64
6	36	64
7	36	64
8	36	64
9	36	64
10	36	64
11	36	64
12	36	64
13	36	64
14	35	65
15	35	65
16	35	65
17	34	66
18	34	66
19	33	67
20	33	67
21	32	68
22	32	68
23	32	68
24	30	70
25	29	71
26	29	71
27	28	72
28	28	72
29	28	72
30	27	73

Chance of precipitation in September

Any precipitation

Mbarara gets around 70 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 66% on the wettest days. The odds climb 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 (%)	51	52	53	54	55	55	56	57	57	57	57	57	57	57	57	57	57	58	58	58	58	59	59	60	61	61	62	63	64	66

	Rain chance (%)
1	51
2	52
3	53
4	54
5	55
6	55
7	56
8	57
9	57
10	57
11	57
12	57
13	57
14	57
15	57
16	57
17	57
18	58
19	58
20	58
21	58
22	59
23	59
24	60
25	61
26	61
27	62
28	63
29	64
30	66

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 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	11	10	9	8	7	6	6	5	4	4	4	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Comfortable (%)	55	55	55	55	55	55	55	55	55	55	54	55	55	55	54	55	55	55	54	54	53	52	51	50	49	48	47	46	44	43
Humid (%)	34	35	36	37	38	39	39	40	41	41	42	42	42	42	43	43	43	43	44	44	45	46	47	48	49	50	51	52	54	55

	Dry (%)	Comfortable (%)	Humid (%)
1	11	55	34
2	10	55	35
3	9	55	36
4	8	55	37
5	7	55	38
6	6	55	39
7	6	55	39
8	5	55	40
9	4	55	41
10	4	55	41
11	4	54	42
12	3	55	42
13	3	55	42
14	3	55	42
15	3	54	43
16	2	55	43
17	2	55	43
18	2	55	43
19	2	54	44
20	2	54	44
21	2	53	45
22	2	52	46
23	2	51	47
24	2	50	48
25	2	49	49
26	2	48	50
27	2	47	51
28	2	46	52
29	2	44	54
30	2	43	55

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 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)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	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	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	7	calm
13	7	calm
14	7	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	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 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 6:57 AM to 6:47 AM, and sunset from 6:57 PM to 6:47 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)	6:57	6:57	6:57	6:56	6:56	6:56	6:55	6:55	6:55	6:54	6:54	6:53	6:53	6:53	6:52	6:52	6:51	6:51	6:51	6:50	6:50	6:50	6:49	6:49	6:48	6:48	6:48	6:47	6:47	6:47
Sunset (PM)	6:57	6:56	6:56	6:56	6:55	6:55	6:55	6:54	6:54	6:54	6:53	6:53	6:53	6:52	6:52	6:52	6:51	6:51	6:51	6:50	6:50	6:50	6:49	6:49	6:48	6:48	6:48	6:47	6:47	6:47

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

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 5.65 kWh/m² in February across the year — September's 5.5 kWh/m² sits near the top of that range.

	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	5.4	5.4	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.5	5.5
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	5.4	Bright
7	5.4	Bright
8	5.4	Bright
9	5.4	Bright
10	5.4	Bright
11	5.4	Bright
12	5.5	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.6	Bright
20	5.6	Bright
21	5.6	Bright
22	5.6	Bright
23	5.6	Bright
24	5.6	Bright
25	5.6	Bright
26	5.6	Bright
27	5.6	Bright
28	5.6	Bright
29	5.5	Bright
30	5.5	Bright

Planning a trip in September

Is September a good time to visit Mbarara?

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

5.2

Sightseeing

9th-best month of the year

5.3

Beach & pool

9th-best month of the year

September is a reasonable time to visit Mbarara for sightseeing.

What to pack for Mbarara in September

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

In September, Mbarara sees daytime highs around 27°C and nights near 16°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Mbarara 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 Mbarara peaks around March 15 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	12	15	16	15	12	10	11	11	13	13	12	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	12	Extreme
Feb	15	Extreme
Mar	16	Extreme
Apr	15	Extreme
May	12	Extreme
Jun	10	Extreme
Jul	11	Extreme
Aug	11	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	12	Extreme
Dec	11	Extreme

Air quality in Mbarara 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 Mbarara is worst in January — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	45	42	33	28	28	35	41	38	33	31	32	38
Level	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Moderate	Moderate	Moderate	Poor

	PM2.5 (µg/m³)	Level
Jan	45	Poor
Feb	42	Poor
Mar	33	Moderate
Apr	28	Moderate
May	28	Moderate
Jun	35	Moderate
Jul	41	Poor
Aug	38	Poor
Sep	33	Moderate
Oct	31	Moderate
Nov	32	Moderate
Dec	38	Poor

Location & terrain

Where is Mbarara?

Mbarara sits at 0.6°S, 30.6°E, 1,422 m above sea level, in Uganda. The nearest listed city is Bwizibwera, 3.0 km away.

Topography around Mbarara

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

Within 3 km, the terrain around Mbarara has only modest variations in elevation — a maximum elevation change of 153 m around an average of 1,417 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 503 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,268 m.

The land around Mbarara is covered by artificial surfaces (38%), grassland (25%) and trees (24%) within 3 km, grassland (50%) and trees (25%) within 16 km, and grassland (52%) and trees (25%) within 80 km.

3 km

153 m

artificial surfaces 38%

16 km

503 m

grassland 50%

80 km

1,268 m

grassland 52%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

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

September weather nearby: Bwizibwera 3.0 km · Kinoni 20 km · Rutoma 30 km · Isingiro 36 km · Iryango 41 km · Nakivale Refugee Camp 42 km · Nyachera 42 km · Mabare 46 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 Mbarara (-0.6047°, 30.6485°, elevation 1,422 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	27	16
2	27	16
3	27	16
4	27	16
5	27	16
6	27	16
7	27	16
8	27	16
9	27	16
10	27	16
11	27	16
12	27	16
13	27	16
14	27	16
15	27	16
16	27	16
17	27	16
18	27	16
19	27	16
20	27	16
21	27	16
22	27	16
23	27	16
24	27	16
25	27	16
26	27	16
27	27	16
28	27	16
29	27	16
30	27	16

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	35	65
4	36	64
5	36	64
6	36	64
7	36	64
8	36	64
9	36	64
10	36	64
11	36	64
12	36	64
13	36	64
14	35	65
15	35	65
16	35	65
17	34	66
18	34	66
19	33	67
20	33	67
21	32	68
22	32	68
23	32	68
24	30	70
25	29	71
26	29	71
27	28	72
28	28	72
29	28	72
30	27	73

	Rain chance (%)
1	51
2	52
3	53
4	54
5	55
6	55
7	56
8	57
9	57
10	57
11	57
12	57
13	57
14	57
15	57
16	57
17	57
18	58
19	58
20	58
21	58
22	59
23	59
24	60
25	61
26	61
27	62
28	63
29	64
30	66

	Dry (%)	Comfortable (%)	Humid (%)
1	11	55	34
2	10	55	35
3	9	55	36
4	8	55	37
5	7	55	38
6	6	55	39
7	6	55	39
8	5	55	40
9	4	55	41
10	4	55	41
11	4	54	42
12	3	55	42
13	3	55	42
14	3	55	42
15	3	54	43
16	2	55	43
17	2	55	43
18	2	55	43
19	2	54	44
20	2	54	44
21	2	53	45
22	2	52	46
23	2	51	47
24	2	50	48
25	2	49	49
26	2	48	50
27	2	47	51
28	2	46	52
29	2	44	54
30	2	43	55

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	35	65
4	36	64
5	36	64
6	36	64
7	36	64
8	36	64
9	36	64
10	36	64
11	36	64
12	36	64
13	36	64
14	35	65
15	35	65
16	35	65
17	34	66
18	34	66
19	33	67
20	33	67
21	32	68
22	32	68
23	32	68
24	30	70
25	29	71
26	29	71
27	28	72
28	28	72
29	28	72
30	27	73

	Rain chance (%)
1	51
2	52
3	53
4	54
5	55
6	55
7	56
8	57
9	57
10	57
11	57
12	57
13	57
14	57
15	57
16	57
17	57
18	58
19	58
20	58
21	58
22	59
23	59
24	60
25	61
26	61
27	62
28	63
29	64
30	66

	Dry (%)	Comfortable (%)	Humid (%)
1	11	55	34
2	10	55	35
3	9	55	36
4	8	55	37
5	7	55	38
6	6	55	39
7	6	55	39
8	5	55	40
9	4	55	41
10	4	55	41
11	4	54	42
12	3	55	42
13	3	55	42
14	3	55	42
15	3	54	43
16	2	55	43
17	2	55	43
18	2	55	43
19	2	54	44
20	2	54	44
21	2	53	45
22	2	52	46
23	2	51	47
24	2	50	48
25	2	49	49
26	2	48	50
27	2	47	51
28	2	46	52
29	2	44	54
30	2	43	55

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	35	65
4	36	64
5	36	64
6	36	64
7	36	64
8	36	64
9	36	64
10	36	64
11	36	64
12	36	64
13	36	64
14	35	65
15	35	65
16	35	65
17	34	66
18	34	66
19	33	67
20	33	67
21	32	68
22	32	68
23	32	68
24	30	70
25	29	71
26	29	71
27	28	72
28	28	72
29	28	72
30	27	73

	Rain chance (%)
1	51
2	52
3	53
4	54
5	55
6	55
7	56
8	57
9	57
10	57
11	57
12	57
13	57
14	57
15	57
16	57
17	57
18	58
19	58
20	58
21	58
22	59
23	59
24	60
25	61
26	61
27	62
28	63
29	64
30	66

	Dry (%)	Comfortable (%)	Humid (%)
1	11	55	34
2	10	55	35
3	9	55	36
4	8	55	37
5	7	55	38
6	6	55	39
7	6	55	39
8	5	55	40
9	4	55	41
10	4	55	41
11	4	54	42
12	3	55	42
13	3	55	42
14	3	55	42
15	3	54	43
16	2	55	43
17	2	55	43
18	2	55	43
19	2	54	44
20	2	54	44
21	2	53	45
22	2	52	46
23	2	51	47
24	2	50	48
25	2	49	49
26	2	48	50
27	2	47	51
28	2	46	52
29	2	44	54
30	2	43	55