El Retén in Fall

In fall (September, October and November), El Retén sees average daytime highs around 32°C and overnight lows near 24°C, with 546 mm of rain over about 59 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Over the season highs ease from about 34°C in early September to 32°C by late November. The sky is clear or mostly clear about 6% of the time across fall, and the air most often feels miserable.

Fall is El Retén's 2nd-best season to visit on our travel score. For the whole year in context, see El Retén's year-round climate.

Avg daytime high
32°C
coldest season of the year
Avg overnight low
24°C
Rainfall
546 mm
59 wet days
Avg wind
5 km/h
Travel score
2.8
2nd-best season
Months
Sep · Oct · Nov

Temperature in El Retén in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 34°C in early September to 32°C by late November.

A typical fall day in El Retén reaches about 32°C and drops to 24°C overnight. The warmest of the three months is September, the coolest November.

20°25°30°35°40°SepOctNov

How fall really feels in El Retén

Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
91
38 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

El Retén weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan35° / 23°71.511.43.4
Feb36° / 24°71.611.62.6
Mar36° / 25°224.811.92.3
Apr35° / 25°7313.812.22.2
May34° / 25°16019.912.52.3
Jun33° / 25°8113.812.62.7
Jul35° / 25°508.312.62.6
Aug35° / 25°691212.32.4
Sep33° / 24°1311912.12.5
Oct32° / 24°24222.711.82.7
Nov32° / 23°17217.111.53.3
Dec33° / 23°345.811.43.9

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

El Retén gets around 546 mm of rain over 59 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 5 km/h across fall.

0246810SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 12 min in early September to 11 h 24 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.7 kWh/m².

0246SepOctNov
Planning a trip in fall

Hazard calendar for El Retén

In seasonPeak

In fall, El Retén overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

El Retén's rainy season runs May–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is fall a good time to visit El Retén?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.8
Sightseeing
2nd-best month of the year
4.7
Beach & pool
4th-best month of the year

fall is a weaker month for outdoor sightseeing in El Retén.

What to pack for El Retén in Fall

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

In fall, El Retén sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 59 days see rain.

light clothesrain gearsun protection

Sea temperature near El Retén in Fall

The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 32 km away) is warmest in September at about 29°C and coldest in February near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May28Warm
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in El Retén in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in El Retén peaks around June 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highJun 15UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in El Retén in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in El Retén is worst in March — around 51 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (December, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1748 µg/m³Dec 1114 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb26Moderate
Mar51Poor
Apr29Moderate
May25Moderate
Jun24Moderate
Jul24Moderate
Aug20Moderate
Sep17Moderate
Oct16Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is El Retén?

El Retén sits at 10.6°N, 74.3°W, 24 m above sea level, in Colombia. The nearest listed city is Aracataca, 9.0 km away.

Topography around El Retén

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

Within 3 km, the terrain around El Retén has only modest variations in elevation — a maximum elevation change of 23 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 115 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,613 m.

The land around El Retén is covered by trees (75%) and grassland (20%) within 3 km, grassland (54%) and trees (41%) within 16 km, and trees (41%) and grassland (37%) within 80 km.

3 km
23 m
16 km
115 m
80 km
5,613 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
Fall weather nearby: Aracataca 9.0 km · Fundación 14 km · Pivijay 42 km · Puebloviejo 43 km · Ciénaga 44 km · Ariguaní 50 km · Sitionuevo 53 km · Ponedera 53 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 El Retén (10.6113°, -74.2682°, elevation 24 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.