Liberia in Fall

In fall (September, October and November), Liberia sees average daytime highs around 29°C and overnight lows near 22°C, with 822 mm of rain over about 62 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Across fall, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 9% of the time across fall, and the air most often feels oppressive.

Fall is Liberia's 3rd-best season to visit on our travel score. For the whole year in context, see Liberia's year-round climate.

Avg daytime high
29°C
coldest season of the year
Avg overnight low
22°C
Rainfall
822 mm
62 wet days
Avg wind
7 km/h
Travel score
4.0
3rd-best season
Months
Sep · Oct · Nov

Temperature in Liberia in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 29°C.

A typical fall day in Liberia reaches about 29°C and drops to 22°C overnight. The warmest of the three months is September, the coolest November.

20°25°30°35°SepOctNov

How fall really feels in Liberia

Once humidity and wind are folded in, fall brings about 37 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
37
heat index over the day's high
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.

Liberia 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
Jan29° / 22°30.611.47.1
Feb30° / 22°20.311.66.5
Mar32° / 22°30.911.95.4
Apr33° / 23°304.712.24.0
May32° / 23°24317.912.53.3
Jun30° / 23°27622.512.63.3
Jul30° / 23°16116.412.64.1
Aug30° / 22°20719.612.43.7
Sep29° / 22°35225.712.13.1
Oct29° / 22°36125.111.83.5
Nov29° / 22°10911.411.55.3
Dec29° / 22°12211.46.9

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Liberia gets around 822 mm of rain over 62 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels oppressive — 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 7 km/h across fall.

051015SepOctNov

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 4.6 kWh/m².

0246SepOctNov
Planning a trip in fall

Hazard calendar for Liberia

In seasonPeak

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

Liberia's monsoon runs August–October, when most of the year's rain falls.

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

Is fall a good time to visit Liberia?

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.

4.0
Sightseeing
3rd-best month of the year
5.0
Beach & pool
4th-best month of the year

fall is a weaker month for outdoor sightseeing in Liberia.

What to pack for Liberia in Fall

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

In fall, Liberia sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 62 days see rain.

light clothesrain gearsun protection

Sea temperature near Liberia in Fall

The nearest coast averages about 28°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 20 km away) is warmest in May at about 29°C and coldest in February near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec27Warm

UV index in Liberia 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 Liberia peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highMar 19UV 14Dec 15UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high

Air quality in Liberia 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 Liberia is worst in July — around 20 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1619 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr19Moderate
May19Moderate
Jun16Moderate
Jul20Moderate
Aug16Moderate
Sep12Good
Oct9Good
Nov7Good
Dec6Good
Location & terrain

Where is Liberia?

Liberia sits at 10.6°N, 85.4°W, 148 m above sea level, in Costa Rica. The nearest listed city is Cañas, 44 km away.

CañasSan JoséNicoyaTamarindoMonteverdeSan Juan del SurLa FortunaSan Carlos

Topography around Liberia

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

Within 3 km, the terrain around Liberia has only modest variations in elevation — a maximum elevation change of 109 m around an average of 151 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 726 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,977 m.

The land around Liberia is covered by grassland (38%), trees (35%) and artificial surfaces (24%) within 3 km, trees (57%) and grassland (37%) within 16 km, and trees (46%) and water (32%) within 80 km.

3 km
109 m
16 km
726 m
80 km
1,977 m
treesgrasslandcroplandartificial surfaceswatermangroves
Fall weather nearby: Cañas 44 km · San José 48 km · Nicoya 54 km · Tamarindo 58 km · Monteverde 78 km · San Juan del Sur 83 km · La Fortuna 89 km · San Carlos 90 km

Costa Rica travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$19,970
2025
Happiness
7.4 / 10
World Happiness, 2025
Safe drinking water
81%
of population, 2024
Homicide rate
17.7
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 516
Religion
Roman Catholic 48%none 27%Evangelical and Pentecostal 20%other 3%

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 Liberia (10.6352°, -85.4378°, elevation 148 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.