Santa Cruz Weather in September

What's the weather like in Santa Cruz (Guanacaste) in September 2024?

The climate in Santa Cruz during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in Santa Cruz and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (74°F) is normal.

Santa Cruz weather averages (imperial / metric)
Daytime temperature 30.5°C 86.8°F
Nightly temperature 23.2°C 73.7°F
Average temperature 26.8°C 80.2°F
Daily sunshine 5.4 hrs
Avg rainfall 363 mm 14.3 ins
Rainy days 23 days
Sea temperature 28.7°C 83.6°F
Humidity 88%
Windspeed 6.1kph 4 mph

On average September is the wettest month of the year in Santa Cruz with around 363mm 14.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.4 hours of sunshine per day.

September temperatures in Santa Cruz

Santa Cruz average temperature in September

September rainfall

Santa Cruz average rain in September

September hourly sunshine

Santa Cruz average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Santa Cruz in September 2024.

Other monthly averages

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Santa Cruz weather stats

Santa Cruz weather statistics
Hottest month: April 32.5°C 90.5°F
Driest month: January 1mm 0ins
Sunniest month: February 8.4hrs
Coldest month: October 30.2°C 86.4°F
Wettest month: September 363mm 14.3ins
Map showing location of Santa Cruz (10.26053, -85.5851) Santa Cruz map pin © Google

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