Guatemala City Weather in September

What's the weather like in Guatemala City, Guatemala in September 2020?

The climate in Guatemala City during September can be summarized as warm and very wet.

September is in the fall / autumn in Guatemala City and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 14°C (57°F) is normal.

Guatemala City weather averages (imperial / metric)
Daytime temperature 23°C 73.4°F
Nightly temperature 13.8°C 56.8°F
Average temperature 18.4°C 65.1°F
Daily sunshine 5.7 hrs
Avg rainfall 227 mm 8.9 ins
Rainy days 26 days
Sea temperature 29.5°C 85.1°F
Humidity 85%
Windspeed 7.9kph 5 mph

On average September is the 2nd wettest month of the year in Guatemala City with around 227mm 8.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 26 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 hours of sunshine per day.

September temperatures in Guatemala City

September rainfall

September hourly sunshine

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 September 2020.

Other monthly averages

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Guatemala City weather stats

Guatemala City weather statistics
Hottest month: May 25°C 77°F
Driest month: February 4mm 0.2ins
Sunniest month: January 8.5hrs
Coldest month: January 22.1°C 71.8°F
Wettest month: June 236mm 9.3ins
Map showing location of Guatemala City (14.64072, -90.51327)

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