Yumbo weather in September

In September, Yumbo sees average daytime highs of 26°C and overnight lows near 18°C, with 207 mm of rain across 20.7 wet days and about 12 hours of daylight. It is the 5th-warmest and 9th-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 0% 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 Yumbo's 8th-clearest and 3rd-windiest month. For the whole year in context, see Yumbo's year-round climate.

Daytime high: 26°; 5th warmest
Overnight low: 18°; 3rd coldest
Rainfall: 207 mm; 20.7 wet days
Daylight: 12 hours; 6:00 AM – 6:01 PM
Cloud cover: 90%; 8th clearest
Wind: 5 km/h; 3rd windiest
Solar energy: 4.31 kWh/m²
Travel score: 4.5; out of 10

← August Yumbo 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 Yumbo reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°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)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18

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

Yumbo weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 18°	296	24.5	11.8	4.3
Feb	26° / 18°	261	23.5	11.9	4.1
Mar	26° / 18°	302	25.7	12	4.1
Apr	26° / 19°	296	23.5	12.1	4.2
May	26° / 19°	210	21.1	12.2	4.5
Jun	26° / 18°	125	15.4	12.2	5.2
Jul	27° / 18°	116	14.4	12.2	5.4
Aug	27° / 18°	143	15.4	12.1	5.3
Sep	26° / 18°	207	20.7	12	4.5
Oct	26° / 18°	376	25.9	11.9	4.0
Nov	26° / 18°	463	27.1	11.8	3.8
Dec	26° / 18°	363	25.5	11.8	4.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 95%.

	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 (%)	4	4	4	4	4	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4
Cloudier (%)	96	96	96	96	96	96	96	95	95	95	95	95	95	95	95	95	95	95	95	95	95	96	96	96	96	96	96	96	96	96

	Clearer (%)	Cloudier (%)
1	4	96
2	4	96
3	4	96
4	4	96
5	4	96
6	4	96
7	4	96
8	5	95
9	5	95
10	5	95
11	5	95
12	5	95
13	5	95
14	5	95
15	5	95
16	5	95
17	5	95
18	5	95
19	5	95
20	5	95
21	5	95
22	4	96
23	4	96
24	4	96
25	4	96
26	4	96
27	4	96
28	4	96
29	4	96
30	4	96

Chance of precipitation in September

Any precipitation

Yumbo gets around 207 mm of rain over 20.7 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 69% and peaks near 78% 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 (%)	60	60	61	61	62	62	63	64	64	65	66	66	67	68	69	70	71	72	72	73	74	74	75	75	76	76	77	77	77	78

	Rain chance (%)
1	60
2	60
3	61
4	61
5	62
6	62
7	63
8	64
9	64
10	65
11	66
12	66
13	67
14	68
15	69
16	70
17	71
18	72
19	72
20	73
21	74
22	74
23	75
24	75
25	76
26	76
27	77
28	77
29	77
30	78

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 70% 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 (%)	34	34	33	32	32	31	30	29	29	28	28	27	27	27	27	27	28	28	28	29	29	30	30	30	31	31	31	31	31	31
Muggy (%)	66	66	67	68	68	69	70	71	71	72	72	73	73	73	73	73	72	72	72	71	71	70	70	70	69	69	69	69	69	69

	Humid (%)	Muggy (%)
1	34	66
2	34	66
3	33	67
4	32	68
5	32	68
6	31	69
7	30	70
8	29	71
9	29	71
10	28	72
11	28	72
12	27	73
13	27	73
14	27	73
15	27	73
16	27	73
17	28	72
18	28	72
19	28	72
20	29	71
21	29	71
22	30	70
23	30	70
24	30	70
25	31	69
26	31	69
27	31	69
28	31	69
29	31	69
30	31	69

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 5 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	5	5	5	5	5	5	5	5	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	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	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 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 6:04 AM to 5:56 AM, and sunset from 6:08 PM to 5:54 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)	6:04	6:03	6:03	6:03	6:03	6:02	6:02	6:02	6:02	6:01	6:01	6:01	6:01	6:00	6:00	6:00	5:59	5:59	5:59	5:59	5:58	5:58	5:58	5:58	5:57	5:57	5:57	5:57	5:56	5:56
Sunset (PM)	6:08	6:07	6:07	6:06	6:06	6:06	6:05	6:05	6:04	6:04	6:03	6:03	6:02	6:02	6:01	6:01	6:00	6:00	5:59	5:59	5:59	5:58	5:58	5:57	5:57	5:56	5:56	5:55	5:55	5:54

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	6:04	6:08
2	12.1	6:03	6:07
3	12.1	6:03	6:07
4	12.1	6:03	6:06
5	12.1	6:03	6:06
6	12.1	6:02	6:06
7	12.0	6:02	6:05
8	12.0	6:02	6:05
9	12.0	6:02	6:04
10	12.0	6:01	6:04
11	12.0	6:01	6:03
12	12.0	6:01	6:03
13	12.0	6:01	6:02
14	12.0	6:00	6:02
15	12.0	6:00	6:01
16	12.0	6:00	6:01
17	12.0	5:59	6:00
18	12.0	5:59	6:00
19	12.0	5:59	5:59
20	12.0	5:59	5:59
21	12.0	5:58	5:59
22	12.0	5:58	5:58
23	12.0	5:58	5:58
24	12.0	5:58	5:57
25	12.0	5:57	5:57
26	12.0	5:57	5:56
27	12.0	5:57	5:56
28	12.0	5:57	5:55
29	12.0	5:56	5:55
30	12.0	5:56	5:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.31 kWh/m².

For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 4.64 kWh/m² in February across the year — September's 4.31 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)	4.5	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.3	4.3	4.3	4.3	4.3	4.3	4.3	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.1	4.1	4.1
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	4.5	Bright
2	4.5	Bright
3	4.5	Bright
4	4.5	Bright
5	4.5	Bright
6	4.4	Bright
7	4.4	Bright
8	4.4	Bright
9	4.4	Bright
10	4.4	Bright
11	4.4	Bright
12	4.4	Bright
13	4.3	Bright
14	4.3	Bright
15	4.3	Bright
16	4.3	Bright
17	4.3	Bright
18	4.3	Bright
19	4.3	Bright
20	4.2	Bright
21	4.2	Bright
22	4.2	Bright
23	4.2	Bright
24	4.2	Bright
25	4.2	Bright
26	4.2	Bright
27	4.2	Bright
28	4.1	Bright
29	4.1	Bright
30	4.1	Bright

Planning a trip in September

Is September a good time to visit Yumbo?

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

4.5

Sightseeing

4th-best month of the year

4.5

Beach & pool

5th-best month of the year

September is a reasonable time to visit Yumbo for sightseeing.

What to pack for Yumbo in September

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

In September, Yumbo sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 21 days see rain.

rain gearlight clothes

UV index in Yumbo 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 Yumbo peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 11 at about 12 (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)	14	15	16	13	14	13	12	12	13	13	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	15	Extreme
Mar	16	Extreme
Apr	13	Extreme
May	14	Extreme
Jun	13	Extreme
Jul	12	Extreme
Aug	12	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	12	Extreme
Dec	12	Extreme

Air quality in Yumbo 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 Yumbo is worst in March — around 22 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (November, 13 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)	18	20	22	20	18	18	19	18	18	15	13	16
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	18	Moderate
Feb	20	Moderate
Mar	22	Moderate
Apr	20	Moderate
May	18	Moderate
Jun	18	Moderate
Jul	19	Moderate
Aug	18	Moderate
Sep	18	Moderate
Oct	15	Moderate
Nov	13	Moderate
Dec	16	Moderate

Location & terrain

Where is Yumbo?

Yumbo sits at 3.6°N, 76.5°W, 991 m above sea level, in Colombia. The nearest listed city is Cali, 17 km away.

Topography around Yumbo

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

Within 3 km, the terrain around Yumbo has significant variations in elevation — a maximum elevation change of 593 m around an average of 1,049 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,269 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,538 m.

The land around Yumbo is covered by grassland (40%), trees (29%) and artificial surfaces (20%) within 3 km, trees (43%), grassland (28%) and cropland (21%) within 16 km, and trees (72%) within 80 km.

3 km

593 m

grassland 40%

16 km

1,269 m

trees 43%

80 km

4,538 m

trees 72%

treesgrasslandcroplandartificial surfacesbare terrainwatermangroves

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

September weather nearby: Cali 17 km · Palmira 21 km · El Cerrito 23 km · Candelaria 25 km · Guacarí 27 km · Pradera 33 km · Jamundí 36 km · Darien 39 km

Colombia travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type A / B; 120 / 240 V · 60 Hz
Prices: ≈ 38% of US; price level, 2025
GDP per capita: $8,562; 2025
Happiness: 6.0 / 10; World Happiness, 2025
Safe drinking water: 74%; of population, 2024
Homicide rate: 24.9; per 100k, 2023
Road deaths: 15.4; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 480
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 Yumbo (3.5823°, -76.4915°, elevation 991 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	18
2	26	18
3	26	18
4	26	18
5	26	18
6	26	18
7	26	18
8	26	18
9	26	18
10	26	18
11	26	18
12	26	18
13	26	18
14	26	18
15	26	18
16	26	18
17	26	18
18	26	18
19	26	18
20	26	18
21	26	18
22	26	18
23	26	18
24	26	18
25	26	18
26	26	18
27	26	18
28	26	18
29	26	18
30	26	18

	Clearer (%)	Cloudier (%)
1	4	96
2	4	96
3	4	96
4	4	96
5	4	96
6	4	96
7	4	96
8	5	95
9	5	95
10	5	95
11	5	95
12	5	95
13	5	95
14	5	95
15	5	95
16	5	95
17	5	95
18	5	95
19	5	95
20	5	95
21	5	95
22	4	96
23	4	96
24	4	96
25	4	96
26	4	96
27	4	96
28	4	96
29	4	96
30	4	96

	Rain chance (%)
1	60
2	60
3	61
4	61
5	62
6	62
7	63
8	64
9	64
10	65
11	66
12	66
13	67
14	68
15	69
16	70
17	71
18	72
19	72
20	73
21	74
22	74
23	75
24	75
25	76
26	76
27	77
28	77
29	77
30	78

	Humid (%)	Muggy (%)
1	34	66
2	34	66
3	33	67
4	32	68
5	32	68
6	31	69
7	30	70
8	29	71
9	29	71
10	28	72
11	28	72
12	27	73
13	27	73
14	27	73
15	27	73
16	27	73
17	28	72
18	28	72
19	28	72
20	29	71
21	29	71
22	30	70
23	30	70
24	30	70
25	31	69
26	31	69
27	31	69
28	31	69
29	31	69
30	31	69

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

	Clearer (%)	Cloudier (%)
1	4	96
2	4	96
3	4	96
4	4	96
5	4	96
6	4	96
7	4	96
8	5	95
9	5	95
10	5	95
11	5	95
12	5	95
13	5	95
14	5	95
15	5	95
16	5	95
17	5	95
18	5	95
19	5	95
20	5	95
21	5	95
22	4	96
23	4	96
24	4	96
25	4	96
26	4	96
27	4	96
28	4	96
29	4	96
30	4	96

	Rain chance (%)
1	60
2	60
3	61
4	61
5	62
6	62
7	63
8	64
9	64
10	65
11	66
12	66
13	67
14	68
15	69
16	70
17	71
18	72
19	72
20	73
21	74
22	74
23	75
24	75
25	76
26	76
27	77
28	77
29	77
30	78

	Humid (%)	Muggy (%)
1	34	66
2	34	66
3	33	67
4	32	68
5	32	68
6	31	69
7	30	70
8	29	71
9	29	71
10	28	72
11	28	72
12	27	73
13	27	73
14	27	73
15	27	73
16	27	73
17	28	72
18	28	72
19	28	72
20	29	71
21	29	71
22	30	70
23	30	70
24	30	70
25	31	69
26	31	69
27	31	69
28	31	69
29	31	69
30	31	69

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

	Clearer (%)	Cloudier (%)
1	4	96
2	4	96
3	4	96
4	4	96
5	4	96
6	4	96
7	4	96
8	5	95
9	5	95
10	5	95
11	5	95
12	5	95
13	5	95
14	5	95
15	5	95
16	5	95
17	5	95
18	5	95
19	5	95
20	5	95
21	5	95
22	4	96
23	4	96
24	4	96
25	4	96
26	4	96
27	4	96
28	4	96
29	4	96
30	4	96

	Rain chance (%)
1	60
2	60
3	61
4	61
5	62
6	62
7	63
8	64
9	64
10	65
11	66
12	66
13	67
14	68
15	69
16	70
17	71
18	72
19	72
20	73
21	74
22	74
23	75
24	75
25	76
26	76
27	77
28	77
29	77
30	78

	Humid (%)	Muggy (%)
1	34	66
2	34	66
3	33	67
4	32	68
5	32	68
6	31	69
7	30	70
8	29	71
9	29	71
10	28	72
11	28	72
12	27	73
13	27	73
14	27	73
15	27	73
16	27	73
17	28	72
18	28	72
19	28	72
20	29	71
21	29	71
22	30	70
23	30	70
24	30	70
25	31	69
26	31	69
27	31	69
28	31	69
29	31	69
30	31	69