The weather in September in Quepos

It's warm in September in Quepos with an average temperature of 27°C. Temperatures this month range from a low of 26°C to a high of 28°C. At night, you can expect temperatures between 19°C and 20°C.

Looking for sun? September isn’t a good month to be in Quepos. 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 Quepos, 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 31°C in 2015, Quepos 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 23°C.

Rainfall amount

In September, there is an average of 284 mm of precipitation, spread over 27 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in September for Quepos

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

September weather comparison

  Quepos New York
Average temperature 27°C 27°C
Max. temperature 28°C 31°C
Min. temperature 19°C -5°C
Total precipitation 284 mm 57 mm
Rainy days 27 days 9 days

Start of September

The month of September starts in Quepos with hot temps, averaging around 28°C during the day and nights around 20°C.

Mid September

By mid-September, daytime temps stay steady at around 28°C, with nights around 20°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in Quepos is around 28°C, while nighttime temps are about 20°C. There’s a significant chance of many days with precipitation.

Find affordable trips to Quepos

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 Quepos runs from June to November.

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

Temperature charts

These charts show the average temperatures in September in Quepos, 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 Quepos

Temperature in September in Quepos over the years

Precipitation charts

These charts show the average amount of precipitation in September in Quepos, 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 Quepos

Total precipitation in September in Quepos over the years

Daily UV index in September in Quepos

This chart shows the average daily UV index in September in Quepos, 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 Quepos

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Average weather in Quepos by month

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