Cota weather in September

In September, Cota sees average daytime highs of 19°C and overnight lows near 9°C, with 34 mm of rain across 10.4 wet days and about 12 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels dry.

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 Cota's 5th-clearest and 4th-windiest month. For the whole year in context, see Cota's year-round climate.

Daytime high: 19°; 6th warmest
Overnight low: 9°; 2nd coldest
Rainfall: 34 mm; 10.4 wet days
Daylight: 12 hours; 5:50 AM – 5:51 PM
Cloud cover: 84%; 5th clearest
Wind: 7 km/h; 4th windiest
Solar energy: 5.28 kWh/m²
Travel score: 5.6; out of 10

← August Cota 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 19°C through the month.

A typical September day in Cota reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°C. Set against its neighbours, September runs about 1°C warmer than 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)	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19
Avg low (°C)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9

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

Cota weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	20° / 9°	60	14.1	11.8	5.5
Feb	20° / 10°	84	15.2	11.8	5.1
Mar	19° / 10°	140	18.8	12	4.6
Apr	19° / 10°	148	19.8	12.1	4.3
May	18° / 10°	96	16.3	12.2	4.7
Jun	18° / 10°	39	10.3	12.3	5.3
Jul	18° / 9°	33	9.4	12.3	5.4
Aug	18° / 9°	24	7.3	12.2	5.9
Sep	19° / 9°	34	10.4	12	5.6
Oct	19° / 9°	100	17.9	11.9	4.7
Nov	19° / 9°	129	20.6	11.8	4.3
Dec	20° / 9°	78	15.8	11.7	5.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 90%.

	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 (%)	13	13	13	13	13	12	12	12	12	12	11	11	11	10	10	9	9	8	8	8	8	7	7	7	7	7	6	6	6	5
Cloudier (%)	87	87	87	87	87	88	88	88	88	88	89	89	89	90	90	91	91	92	92	92	92	93	93	93	93	93	94	94	94	95

	Clearer (%)	Cloudier (%)
1	13	87
2	13	87
3	13	87
4	13	87
5	13	87
6	12	88
7	12	88
8	12	88
9	12	88
10	12	88
11	11	89
12	11	89
13	11	89
14	10	90
15	10	90
16	9	91
17	9	91
18	8	92
19	8	92
20	8	92
21	8	92
22	7	93
23	7	93
24	7	93
25	7	93
26	7	93
27	6	94
28	6	94
29	6	94
30	5	95

Chance of precipitation in September

Any precipitation

Cota gets around 34 mm of rain over 10.4 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 35% and peaks near 45% 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 (%)	25	25	26	27	27	28	29	30	31	31	32	33	34	34	35	35	36	36	37	38	38	39	39	40	41	42	42	43	44	45

	Rain chance (%)
1	25
2	25
3	26
4	27
5	27
6	28
7	29
8	30
9	31
10	31
11	32
12	33
13	34
14	34
15	35
16	35
17	36
18	36
19	37
20	38
21	38
22	39
23	39
24	40
25	41
26	42
27	42
28	43
29	44
30	45

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% 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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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	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	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	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 5:53 AM to 5:47 AM, and sunset from 5:59 PM to 5:45 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	12.1	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
Sunrise (AM)	5:53	5:53	5:53	5:53	5:52	5:52	5:52	5:52	5:52	5:51	5:51	5:51	5:51	5:50	5:50	5:50	5:50	5:49	5:49	5:49	5:49	5:49	5:48	5:48	5:48	5:48	5:47	5:47	5:47	5:47
Sunset (PM)	5:59	5:58	5:58	5:57	5:57	5:57	5:56	5:56	5:55	5:55	5:54	5:54	5:53	5:53	5:52	5:51	5:51	5:50	5:50	5:49	5:49	5:48	5:48	5:47	5:47	5:46	5:46	5:46	5:45	5:45

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	5:53	5:59
2	12.1	5:53	5:58
3	12.1	5:53	5:58
4	12.1	5:53	5:57
5	12.1	5:52	5:57
6	12.1	5:52	5:57
7	12.1	5:52	5:56
8	12.1	5:52	5:56
9	12.1	5:52	5:55
10	12.1	5:51	5:55
11	12.0	5:51	5:54
12	12.0	5:51	5:54
13	12.0	5:51	5:53
14	12.0	5:50	5:53
15	12.0	5:50	5:52
16	12.0	5:50	5:51
17	12.0	5:50	5:51
18	12.0	5:49	5:50
19	12.0	5:49	5:50
20	12.0	5:49	5:49
21	12.0	5:49	5:49
22	12.0	5:49	5:48
23	12.0	5:48	5:48
24	12.0	5:48	5:47
25	12.0	5:48	5:47
26	12.0	5:48	5:46
27	12.0	5:47	5:46
28	12.0	5:47	5:46
29	12.0	5:47	5:45
30	12.0	5:47	5:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 5.28 kWh/m² in September across the year — September's 5.28 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)	5.2	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.2	5.2	5.2	5.2	5.2	5.2
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	5.2	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	5.3	Bright
12	5.3	Bright
13	5.3	Bright
14	5.3	Bright
15	5.3	Bright
16	5.3	Bright
17	5.3	Bright
18	5.3	Bright
19	5.3	Bright
20	5.3	Bright
21	5.3	Bright
22	5.3	Bright
23	5.3	Bright
24	5.3	Bright
25	5.2	Bright
26	5.2	Bright
27	5.2	Bright
28	5.2	Bright
29	5.2	Bright
30	5.2	Bright

Planning a trip in September

Is September a good time to visit Cota?

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

5.6

Sightseeing

2nd-best month of the year

2.5

Beach & pool

3rd-best month of the year

September is a reasonable time to visit Cota for sightseeing.

What to pack for Cota in September

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

In September, Cota sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Cota in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cota peaks around February 21 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 11 (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)	15	17	17	15	14	14	13	14	15	14	13	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	17	Extreme
Mar	17	Extreme
Apr	15	Extreme
May	14	Extreme
Jun	14	Extreme
Jul	13	Extreme
Aug	14	Extreme
Sep	15	Extreme
Oct	14	Extreme
Nov	13	Extreme
Dec	11	Extreme

Air quality in Cota 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 Cota is worst in March — around 43 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (July, 23 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)	34	38	43	38	31	26	23	27	33	32	32	34
Level	Moderate	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	34	Moderate
Feb	38	Poor
Mar	43	Poor
Apr	38	Poor
May	31	Moderate
Jun	26	Moderate
Jul	23	Moderate
Aug	27	Moderate
Sep	33	Moderate
Oct	32	Moderate
Nov	32	Moderate
Dec	34	Moderate

Location & terrain

Where is Cota?

Cota sits at 4.8°N, 74.1°W, 2,557 m above sea level, in Colombia. The nearest listed city is Chía, 7.0 km away.

Topography around Cota

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

Within 3 km, the terrain around Cota has significant variations in elevation — a maximum elevation change of 542 m around an average of 2,611 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 697 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,785 m.

The land around Cota is covered by grassland (37%) and trees (30%) within 3 km, grassland (39%), trees (27%) and artificial surfaces (22%) within 16 km, and trees (59%) and grassland (36%) within 80 km.

3 km

542 m

grassland 37%

16 km

697 m

grassland 39%

80 km

3,785 m

trees 59%

treesgrasslandcroplandartificial surfacesbare terrain

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

September weather nearby: Chía 7.0 km · Bosconia 14 km · Cajicá 14 km · Funza 16 km · Mosquera 19 km · Madrid 20 km · Kennedy 22 km · Bogota 22 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 Cota (4.8094°, -74.098°, elevation 2,557 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	19	9
2	19	9
3	19	9
4	19	9
5	19	9
6	19	9
7	19	9
8	19	9
9	19	9
10	19	9
11	19	9
12	19	9
13	19	9
14	19	9
15	19	9
16	19	9
17	19	9
18	19	9
19	19	9
20	19	9
21	19	9
22	19	9
23	19	9
24	19	9
25	19	9
26	19	9
27	19	9
28	19	9
29	19	9
30	19	9

	Clearer (%)	Cloudier (%)
1	13	87
2	13	87
3	13	87
4	13	87
5	13	87
6	12	88
7	12	88
8	12	88
9	12	88
10	12	88
11	11	89
12	11	89
13	11	89
14	10	90
15	10	90
16	9	91
17	9	91
18	8	92
19	8	92
20	8	92
21	8	92
22	7	93
23	7	93
24	7	93
25	7	93
26	7	93
27	6	94
28	6	94
29	6	94
30	5	95

	Rain chance (%)
1	25
2	25
3	26
4	27
5	27
6	28
7	29
8	30
9	31
10	31
11	32
12	33
13	34
14	34
15	35
16	35
17	36
18	36
19	37
20	38
21	38
22	39
23	39
24	40
25	41
26	42
27	42
28	43
29	44
30	45

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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

	Clearer (%)	Cloudier (%)
1	13	87
2	13	87
3	13	87
4	13	87
5	13	87
6	12	88
7	12	88
8	12	88
9	12	88
10	12	88
11	11	89
12	11	89
13	11	89
14	10	90
15	10	90
16	9	91
17	9	91
18	8	92
19	8	92
20	8	92
21	8	92
22	7	93
23	7	93
24	7	93
25	7	93
26	7	93
27	6	94
28	6	94
29	6	94
30	5	95

	Rain chance (%)
1	25
2	25
3	26
4	27
5	27
6	28
7	29
8	30
9	31
10	31
11	32
12	33
13	34
14	34
15	35
16	35
17	36
18	36
19	37
20	38
21	38
22	39
23	39
24	40
25	41
26	42
27	42
28	43
29	44
30	45

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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

	Clearer (%)	Cloudier (%)
1	13	87
2	13	87
3	13	87
4	13	87
5	13	87
6	12	88
7	12	88
8	12	88
9	12	88
10	12	88
11	11	89
12	11	89
13	11	89
14	10	90
15	10	90
16	9	91
17	9	91
18	8	92
19	8	92
20	8	92
21	8	92
22	7	93
23	7	93
24	7	93
25	7	93
26	7	93
27	6	94
28	6	94
29	6	94
30	5	95

	Rain chance (%)
1	25
2	25
3	26
4	27
5	27
6	28
7	29
8	30
9	31
10	31
11	32
12	33
13	34
14	34
15	35
16	35
17	36
18	36
19	37
20	38
21	38
22	39
23	39
24	40
25	41
26	42
27	42
28	43
29	44
30	45

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100