Cahuita Weather in September
Cahuita in September sees high daytime temperatures of 29°C (84°F) and nighttime lows of 24°C (75°F). As part of the rainy season, showers are frequent and often heavy. Budget around 279 mm (11 in) of rainfall for the month.
Rainfall in Cahuita in September
Cahuita is in the rainy season in September, with rain on around 22 days and an average of 279 mm (11 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Cahuita in September
Expect highs of 29°C (84°F) in Cahuita in September, with nights dropping to around 24°C (75°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Cahuita in September
The city usually sees around 156 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).September in Cahuita has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Cahuita's climate page.
Cahuita Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
72%
Precipitation
279 mm (11 in)
Rainy days
22 days
Humidity
85% *
Sunshine
156 hours *
Percentage Sunshine
*
Daily Historical Temperatures
41-year average (1977-2025)
Based on our historical records, temperatures in Cahuita typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
41-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Cahuita in September
Browse day-by-day weather records for Cahuita spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cahuita historical weather extremes in September
Based on 23 years of weather observations (2002-2025), these are the most extreme conditions recorded in Cahuita.
- Cahuita recorded its highest September temperature of 35°C (95°F) on September 2, 2008.
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 6, 2005.
- Nighttime temperatures dropped to 18°C (64°F) on September 27, 2020, marking the coldest September night on record.
- Peak precipitation in September occurred on September 10, 2015, when 95 mm (3.7 in) of precipitation was measured.
Best Places in Costa Rica in September
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in September →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Cahuita in September
Warm but pleasant conditions in Cahuita in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Cahuita in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Cahuita's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cahuita climate overview or explore weather in Costa Rica.
