ClimateForecastSeptemberOctober >>

Marathon weather in September (Florida, United States of America)

How's the weather trend in Marathon as September approaches? This guide provides the necessary weather information for your travel plans.

Temperatures

In September, the weather in Marathon generally includes very high temperatures and heavy rainfall. The daytime often sees temperatures reaching 32°C, but nighttime brings a cool-down to 26°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Precipitation

Marathon in September usually receives heavy rainfall, averaging around 183 mm for the month. It records the year's peak rainfall, often coming down quite heavily. We recommend bringing a poncho, which will keep you dry. Rain is expected on roughly 23 days.

Average sunshine

There are approximately 271 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Marathon. January, February, March, April, November and December typically offer the most agreeable circumstances. On the other hand, September and October tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Marathon climate page with graphs.

 

Marathon, monthly averages in September

Min TemperatureMin Temperature 26°C  
Max TemperatureMax Temperature 32°C  
Chance of RainChance of Rain 75%  
PrecipitationPrecipitation 183 mm  
Rainy daysRainy days 23 days  
HumidityHumidity 75% *  
SunshineSunshine 271 hours *  
Percentage SunshinePercentage Sunshine 73% *  
Data from: Key West, the United States of America (73 KM, 45 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Marathon.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.