Yarumal weather in September

In September, Yarumal sees average daytime highs of 23°C and overnight lows near 14°C, with 361 mm of rain across 29.7 wet days and about 12 hours of daylight. It is the 4th-warmest and 3rd-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 comfortable.

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 Yarumal's 9th-clearest and 5th-windiest month. For the whole year in context, see Yarumal's year-round climate.

Daytime high
23°
4th warmest
Overnight low
14°
6th coldest
Rainfall
361 mm
29.7 wet days
Daylight
12 hours
5:55 AM – 5:57 PM
Cloud cover
93%
9th clearest
Wind
4 km/h
5th windiest
Solar energy
5.11 kWh/m²
Travel score
3.4
out of 10

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 Yarumal reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°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.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12314
22314
32314
42314
52314
62314
72314
82314
92314
102314
112314
122314
132314
142314
152314
162314
172314
182314
192314
202314
212314
222314
232314
242314
252314
262314
272314
282314
292314
302314

Yarumal weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 14°13125.411.64.2
Feb22° / 14°16724.811.83.9
Mar22° / 14°27429.8123.5
Apr23° / 15°34929.612.13.4
May23° / 15°43930.812.33.4
Jun23° / 15°29929.912.43.4
Jul23° / 14°26230.512.43.5
Aug23° / 14°27230.412.23.5
Sep23° / 14°36129.7123.4
Oct22° / 14°39830.911.83.3
Nov22° / 14°31429.311.73.4
Dec22° / 14°18027.311.63.9

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 2% of September, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1397
2397
3397
4397
5397
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199

Chance of precipitation in September

Any precipitation

Yarumal gets around 361 mm of rain over 29.7 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 99% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
199
299
399
499
599
699
799
899
999
1099
1199
1299
1399
1499
1599
1699
1799
1899
1999
2099
2199
2299
2399
2499
2599
2699
2799
2899
2999
3099

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 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
106931
216732
316732
416732
516633
616534
716435
816435
916336
1016138
1116039
1215940
1315841
1415742
1515643
1605644
1705545
1805545
1905446
2005347
2105347
2205248
2305248
2405149
2505050
2605050
2704951
2804951
2904852
3004852

Wind in September

Winds average 4 km/h in September.

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.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:57 AM to 5:53 AM, and sunset from 6:05 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:576:05
212.15:576:05
312.15:576:04
412.15:576:04
512.15:576:03
612.15:576:03
712.15:566:02
812.15:566:02
912.15:566:01
1012.15:566:01
1112.15:566:00
1212.15:565:59
1312.15:555:59
1412.15:555:58
1512.05:555:58
1612.05:555:57
1712.05:555:57
1812.05:555:56
1912.05:545:55
2012.05:545:55
2112.05:545:54
2212.05:545:54
2312.05:545:53
2412.05:535:53
2512.05:535:52
2612.05:535:52
2712.05:535:51
2812.05:535:50
2912.05:535:50
3011.95:535:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.11 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 5.44 kWh/m² in August across the year — September's 5.11 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Yarumal?

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

3.4
Sightseeing
7th-best month of the year
2.7
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Yarumal.

What to pack for Yarumal in September

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

In September, Yarumal sees daytime highs around 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 30 days see rain.

rain gearlight clothessun protection

UV index in Yarumal 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 Yarumal peaks around February 22 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 12 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 16Dec 12UV 12
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May15Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Yarumal 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 Yarumal is worst in March — around 25 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1525 µg/m³Oct 2112 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar25Moderate
Apr17Moderate
May14Moderate
Jun13Moderate
Jul13Moderate
Aug13Moderate
Sep12Moderate
Oct12Good
Nov12Good
Dec13Moderate
Location & terrain

Where is Yarumal?

Yarumal sits at 7.0°N, 75.4°W, 2,276 m above sea level, in Colombia. The nearest listed city is Santa Rosa de Osos, 35 km away.

Topography around Yarumal

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

Within 3 km, the terrain around Yarumal has large variations in elevation — a maximum elevation change of 933 m around an average of 2,273 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,079 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,635 m.

The land around Yarumal is covered by grassland (52%) and trees (42%) within 3 km, trees (52%) and grassland (48%) within 16 km, and trees (69%) and grassland (30%) within 80 km.

3 km
933 m
16 km
2,079 m
80 km
3,635 m
treesgrasslandartificial surfaceswater
September weather nearby: Santa Rosa de Osos 35 km · Ituango 45 km · Barbosa 59 km · Santa Fe de Antioquia 64 km · Copacabana 69 km · Bello 71 km · San Vicente 76 km · Segovia 80 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
Roman Catholic 64%Protestant 17%none 14%atheist 1%

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 Yarumal (6.9632°, -75.4174°, elevation 2,276 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).