Frontino weather in September

In September, Frontino sees average daytime highs of 23°C and overnight lows near 16°C, with 439 mm of rain across 30 wet days and about 12 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Frontino's 9th-clearest and 1st-windiest month. For the whole year in context, see Frontino's year-round climate.

Daytime high: 23°; 9th warmest
Overnight low: 16°; 4th coldest
Rainfall: 439 mm; 30 wet days
Daylight: 12 hours; 5:58 AM – 6:00 PM
Cloud cover: 96%; 9th clearest
Wind: 4 km/h; 1st windiest
Solar energy: 4.18 kWh/m²
Travel score: 3.3; out of 10

← August Frontino 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 23°C through the month.

A typical September day in Frontino reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°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)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23
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	23	16
2	23	16
3	23	16
4	23	16
5	23	16
6	23	16
7	23	16
8	23	16
9	23	16
10	23	16
11	23	16
12	23	16
13	23	16
14	23	16
15	23	16
16	23	16
17	23	16
18	23	16
19	23	16
20	23	16
21	23	16
22	23	16
23	23	16
24	23	16
25	23	16
26	23	16
27	23	16
28	23	16
29	23	16
30	23	16

Frontino weather by month

How September compares with the rest of the year at a glance. September is the 9th-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	23° / 16°	235	30.8	11.7	3.6
Feb	23° / 16°	255	27.7	11.8	3.5
Mar	23° / 17°	346	30.7	12	3.5
Apr	24° / 17°	401	30	12.1	3.4
May	24° / 17°	495	31	12.3	3.4
Jun	23° / 17°	401	30	12.4	3.4
Jul	23° / 16°	402	31	12.4	3.4
Aug	23° / 16°	411	31	12.2	3.4
Sep	23° / 16°	439	30	12	3.3
Oct	23° / 16°	489	30.8	11.8	3.4
Nov	23° / 16°	448	29.7	11.7	3.4
Dec	23° / 16°	305	30.6	11.6	3.5

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 0% of September, with mostly cloudy or overcast conditions the remaining 100%.

	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 (%)	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	0	0	0
Cloudier (%)	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

	Clearer (%)	Cloudier (%)
1	0	100
2	0	100
3	0	100
4	0	100
5	0	100
6	0	100
7	0	100
8	0	100
9	0	100
10	0	100
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

Chance of precipitation in September

Any precipitation

Frontino gets around 439 mm of rain over 30 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 100% and peaks near 100% 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 (%)	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

	Rain chance (%)
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

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 18% 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 (%)	83	83	83	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	82	83	83	83	84
Muggy (%)	17	17	17	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	17	17	17	16

	Humid (%)	Muggy (%)
1	83	17
2	83	17
3	83	17
4	82	18
5	82	18
6	82	18
7	82	18
8	82	18
9	82	18
10	82	18
11	82	18
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	82	18
21	82	18
22	82	18
23	82	18
24	82	18
25	82	18
26	82	18
27	83	17
28	83	17
29	83	17
30	84	16

Wind in September

Winds average 4 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 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)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
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	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over September. Sunrise moves from 6:00 AM to 5:55 AM, and sunset from 6:08 PM to 5:52 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	12.1	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	11.9
Sunrise (AM)	6:00	6:00	6:00	6:00	6:00	6:00	5:59	5:59	5:59	5:59	5:59	5:58	5:58	5:58	5:58	5:58	5:58	5:57	5:57	5:57	5:57	5:57	5:57	5:56	5:56	5:56	5:56	5:56	5:56	5:55
Sunset (PM)	6:08	6:08	6:07	6:07	6:06	6:06	6:05	6:04	6:04	6:03	6:03	6:02	6:02	6:01	6:01	6:00	5:59	5:59	5:58	5:58	5:57	5:57	5:56	5:55	5:55	5:54	5:54	5:53	5:53	5:52

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	6:00	6:08
2	12.1	6:00	6:08
3	12.1	6:00	6:07
4	12.1	6:00	6:07
5	12.1	6:00	6:06
6	12.1	6:00	6:06
7	12.1	5:59	6:05
8	12.1	5:59	6:04
9	12.1	5:59	6:04
10	12.1	5:59	6:03
11	12.1	5:59	6:03
12	12.1	5:58	6:02
13	12.1	5:58	6:02
14	12.0	5:58	6:01
15	12.0	5:58	6:01
16	12.0	5:58	6:00
17	12.0	5:58	5:59
18	12.0	5:57	5:59
19	12.0	5:57	5:58
20	12.0	5:57	5:58
21	12.0	5:57	5:57
22	12.0	5:57	5:57
23	12.0	5:57	5:56
24	12.0	5:56	5:55
25	12.0	5:56	5:55
26	12.0	5:56	5:54
27	12.0	5:56	5:54
28	12.0	5:56	5:53
29	12.0	5:56	5:53
30	11.9	5:55	5:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.18 kWh/m².

For context, solar energy here swings from a low near 3.61 kWh/m² to a high of 4.6 kWh/m² in March across the year — September's 4.18 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)	4.3	4.3	4.3	4.3	4.3	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	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	4.3	Bright
2	4.3	Bright
3	4.3	Bright
4	4.3	Bright
5	4.3	Bright
6	4.2	Bright
7	4.2	Bright
8	4.2	Bright
9	4.2	Bright
10	4.2	Bright
11	4.2	Bright
12	4.2	Bright
13	4.2	Bright
14	4.2	Bright
15	4.2	Bright
16	4.1	Bright
17	4.1	Bright
18	4.1	Bright
19	4.1	Bright
20	4.1	Bright
21	4.1	Bright
22	4.1	Bright
23	4.1	Bright
24	4.1	Bright
25	4.1	Bright
26	4.1	Bright
27	4.1	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 Frontino?

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

3.3

Sightseeing

12th-best month of the year

2.7

Beach & pool

10th-best month of the year

September is a weaker month for outdoor sightseeing in Frontino.

What to pack for Frontino in September

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

In September, Frontino sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 30 days see rain.

rain gearlight clothes

UV index in Frontino in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Frontino peaks around March 13 at about 14 (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)	13	14	15	13	14	14	13	13	14	12	12	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

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

Air quality in Frontino 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 Frontino is worst in March — around 23 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 8 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)	12	18	23	15	11	9	9	9	8	8	8	10
Level	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	12	Moderate
Feb	18	Moderate
Mar	23	Moderate
Apr	15	Moderate
May	11	Good
Jun	9	Good
Jul	9	Good
Aug	9	Good
Sep	8	Good
Oct	8	Good
Nov	8	Good
Dec	10	Good

Location & terrain

Where is Frontino?

Frontino sits at 6.8°N, 76.1°W, 1,389 m above sea level, in Colombia. The nearest listed city is Dabeiba, 30 km away.

Topography around Frontino

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

Within 3 km, the terrain around Frontino has significant variations in elevation — a maximum elevation change of 571 m around an average of 1,448 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,811 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,913 m.

The land around Frontino is covered by trees (52%) and grassland (46%) within 3 km, trees (71%) and grassland (29%) within 16 km, and trees (83%) within 80 km.

3 km

571 m

trees 52%

16 km

2,811 m

trees 71%

80 km

3,913 m

trees 83%

treesgrasslandartificial surfaceswater

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

September weather nearby: Dabeiba 30 km · Santa Fe de Antioquia 41 km · Urrao 51 km · Ituango 60 km · Betulia 75 km · Santa Rosa de Osos 76 km · Bello 80 km · Yarumal 82 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 Frontino (6.7713°, -76.1332°, elevation 1,389 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	23	16
2	23	16
3	23	16
4	23	16
5	23	16
6	23	16
7	23	16
8	23	16
9	23	16
10	23	16
11	23	16
12	23	16
13	23	16
14	23	16
15	23	16
16	23	16
17	23	16
18	23	16
19	23	16
20	23	16
21	23	16
22	23	16
23	23	16
24	23	16
25	23	16
26	23	16
27	23	16
28	23	16
29	23	16
30	23	16

	Clearer (%)	Cloudier (%)
1	0	100
2	0	100
3	0	100
4	0	100
5	0	100
6	0	100
7	0	100
8	0	100
9	0	100
10	0	100
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

	Rain chance (%)
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

	Humid (%)	Muggy (%)
1	83	17
2	83	17
3	83	17
4	82	18
5	82	18
6	82	18
7	82	18
8	82	18
9	82	18
10	82	18
11	82	18
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	82	18
21	82	18
22	82	18
23	82	18
24	82	18
25	82	18
26	82	18
27	83	17
28	83	17
29	83	17
30	84	16

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

	Clearer (%)	Cloudier (%)
1	0	100
2	0	100
3	0	100
4	0	100
5	0	100
6	0	100
7	0	100
8	0	100
9	0	100
10	0	100
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

	Rain chance (%)
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

	Humid (%)	Muggy (%)
1	83	17
2	83	17
3	83	17
4	82	18
5	82	18
6	82	18
7	82	18
8	82	18
9	82	18
10	82	18
11	82	18
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	82	18
21	82	18
22	82	18
23	82	18
24	82	18
25	82	18
26	82	18
27	83	17
28	83	17
29	83	17
30	84	16

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

	Clearer (%)	Cloudier (%)
1	0	100
2	0	100
3	0	100
4	0	100
5	0	100
6	0	100
7	0	100
8	0	100
9	0	100
10	0	100
11	0	100
12	0	100
13	0	100
14	0	100
15	0	100
16	0	100
17	0	100
18	0	100
19	0	100
20	0	100
21	0	100
22	0	100
23	0	100
24	0	100
25	0	100
26	0	100
27	0	100
28	0	100
29	0	100
30	0	100

	Rain chance (%)
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

	Humid (%)	Muggy (%)
1	83	17
2	83	17
3	83	17
4	82	18
5	82	18
6	82	18
7	82	18
8	82	18
9	82	18
10	82	18
11	82	18
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	82	18
21	82	18
22	82	18
23	82	18
24	82	18
25	82	18
26	82	18
27	83	17
28	83	17
29	83	17
30	84	16