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Saint Barthélemy weather in September (Saint Barthélemy)

Looking to travel to Saint Barthélemy in September? This guide provides all the details you need.

In September, Saint Barthélemy generally has high temperatures and high rainfall. Anticipate daytime temperatures around 30°C, while night temperatures can drop to 27°C. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.

Saint Barthélemy in September usually receives high rainfall, averaging around 131 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 18 days of the month will see rainfall.

The city usually sees around 240 hours of sunlight, indicating many sunny days.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Saint Barthélemy. January, February, March, April, May, June, July and December typically offer the best circumstances. While September tends to showcase less optimal conditions.

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

 

Saint Barthélemy, monthly averages in September

Min TemperatureMin Temperature 27°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 61%  
PrecipitationPrecipitation 131 mm  
Rainy daysRainy days 18 days  
HumidityHumidity 76%  
WindspeedWindspeed 18 km/h  
SunshineSunshine 240 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Saint Barthélemy in September

Find out more about the weather in Saint Barthélemy in September and which places have the best weather 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 Saint Barthélemy in September?

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 in September.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Saint Barthélemy.

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