The weather in September in Barranca

It's warm in September in Barranca with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 29°C. At night, you can expect temperatures between 20°C and 21°C.

Looking for sun? September isn’t a good month to be in Barranca. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Barranca, Costa Rica. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 36°C in 2023, Barranca reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 23°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 25°C.

Rainfall amount

In September, there is an average of 301 mm of precipitation, spread over 26 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in September for Barranca

Click on any day in September to get detailed info about the usual weather on that day in Barranca. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Barranca New York
Average temperature 29°C 27°C
Max. temperature 29°C 31°C
Min. temperature 20°C -5°C
Total precipitation 301 mm 57 mm
Rainy days 26 days 9 days

Start of September

The month of September starts in Barranca with hot temps, averaging around 29°C during the day and nights around 21°C.

Mid September

By mid-September, daytime temps stay steady at around 29°C, with nights around 21°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in Barranca is around 29°C, while nighttime temps are about 21°C. There’s a significant chance of many days with precipitation.

Find affordable trips to Barranca

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Barranca runs from June to November.

Check out the climate of Barranca for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Barranca, Costa Rica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Barranca

Temperature in September in Barranca over the years

Precipitation charts

These charts show the average amount of precipitation in September in Barranca, Costa Rica. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Barranca

Total precipitation in September in Barranca over the years

Daily UV index in September in Barranca

This chart shows the average daily UV index in September in Barranca, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Barranca

Have you been to Barranca in September?

Share your weather experience in September in Barranca.

Your email will not be shown in the review and will not be shared with others.

Average weather in Barranca by month

Click on a month below to see detailed weather info for Barranca. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.