La Ceja weather in September

In September, La Ceja sees average daytime highs of 24°C and overnight lows near 13°C, with 275 mm of rain across 26.5 wet days and about 12 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 1% 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 12 hours by month's end. Set against the rest of the year, September is La Ceja's 7th-clearest and 5th-windiest month. For the whole year in context, see La Ceja's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
13°
4th coldest
Rainfall
275 mm
26.5 wet days
Daylight
12 hours
5:55 AM – 5:57 PM
Cloud cover
90%
7th clearest
Wind
4 km/h
5th windiest
Solar energy
5.63 kWh/m²
Travel score
4.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical September day in La Ceja reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, September runs about 1°C cooler than August and about 1°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12413
22413
32413
42413
52413
62413
72413
82413
92413
102413
112413
122413
132413
142413
152413
162413
172413
182413
192413
202413
212413
222313
232313
242313
252313
262313
272313
282313
292313
302313

La Ceja weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 13°13622.211.74.8
Feb23° / 13°18422.611.84.4
Mar23° / 14°28127.6123.9
Apr23° / 14°34428.112.13.6
May23° / 14°36828.812.33.7
Jun24° / 13°23425.712.34.0
Jul24° / 13°18323.712.34.5
Aug25° / 13°19422.712.24.6
Sep24° / 13°27526.5124.0
Oct23° / 13°32128.911.93.6
Nov22° / 14°29028.511.73.5
Dec23° / 13°18824.411.74.4

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 3% of September, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3694
4694
5694
6694
7694
8694
9694
10694
11496
12496
13496
14496
15496
16496
17496
18496
19496
20496
21397
22397
23397
24397
25397
26397
27397
28397
29298
30298

Chance of precipitation in September

Any precipitation

La Ceja gets around 275 mm of rain over 26.5 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 88% and peaks near 91% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
184
284
385
485
586
686
786
887
987
1087
1187
1287
1387
1488
1588
1688
1788
1888
1988
2088
2189
2289
2390
2490
2590
2690
2791
2891
2991
3091

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 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
121763
220773
319783
419783
518784
617794
716804
815814
914824
1013834
1111845
1210855
1310855
149865
158866
167876
176886
186886
195896
205887
214897
224897
234897
243898
253898
263889
273889
2838710
2938710
3038611

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 3 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
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

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 5:58 AM to 5:52 AM, and sunset from 6:05 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:586:05
212.15:586:04
312.15:586:04
412.15:576:03
512.15:576:03
612.15:576:02
712.15:576:02
812.15:576:01
912.15:566:01
1012.15:566:00
1112.15:566:00
1212.15:565:59
1312.05:565:59
1412.05:555:58
1512.05:555:58
1612.05:555:57
1712.05:555:56
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
2812.05:535:51
2912.05:535:50
3012.05:525:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.63 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.14 kWh/m² in August across the year — September's 5.63 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit La Ceja?

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

4.0
Sightseeing
6th-best month of the year
3.3
Beach & pool
6th-best month of the year

September is a reasonable time to visit La Ceja for sightseeing.

What to pack for La Ceja in September

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

In September, La Ceja sees daytime highs around 24°C and nights near 13°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

UV index in La Ceja 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 La Ceja peaks around February 22 at about 15 (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 15Dec 12UV 12
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May14Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in La Ceja 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 La Ceja is worst in March — around 30 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (October, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1530 µg/m³Oct 2118 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb27Moderate
Mar30Moderate
Apr24Moderate
May21Moderate
Jun20Moderate
Jul20Moderate
Aug21Moderate
Sep20Moderate
Oct18Moderate
Nov19Moderate
Dec22Moderate
Location & terrain

Where is La Ceja?

La Ceja sits at 6.0°N, 75.4°W, 2,153 m above sea level, in Colombia. The nearest listed city is Retiro, 8.0 km away.

Topography around La Ceja

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

Within 3 km, the terrain around La Ceja has significant variations in elevation — a maximum elevation change of 414 m around an average of 2,217 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,069 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,650 m.

The land around La Ceja is covered by grassland (51%) and trees (33%) within 3 km, trees (50%) and grassland (46%) within 16 km, and trees (66%) and grassland (32%) within 80 km.

3 km
414 m
16 km
2,069 m
80 km
3,650 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Retiro 8.0 km · La Unión 10 km · Carmen de Viboral 12 km · Rionegro 15 km · Marinilla 19 km · Santuario 22 km · Caldas 23 km · Envigado 24 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 La Ceja (6.0313°, -75.4333°, elevation 2,153 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).