Saint Martin weather in September

Are you planning a trip to Saint Martin in September and wondering what kind of weather to expect? Look no further than this page for all the information you need.

What is the weather like in Saint Martin in September?

The weather conditions in Saint Martin in September are generally pleasant.

You can expect warm maximum average daytime temperatures of around 29°C (84°F) and nighttime temperatures around 27°C (81°F) in Orient Bay. On average, it is the warmest month of the year in Saint Martin. So be prepared and pack summer clothes.

September is a rainy month with an average rainfall of around 129mm (5.1 inches) in Orient Bay. It is the wettest month of the year in Orient Bay. It is also generally a sunny time of year with an average of 232 hours of sunshine in Orient Bay during the entire month.

To learn more about the weather conditions in specific areas of Saint Martin, check out the map below.

Where to go in Saint Martin in September

Find the average weather conditions in September for the most popular destinations in Saint Martin on the map below. Click on a destination dot for more detailed information.

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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 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

Popular destinations in Saint Martin

What is the weather like in September for the 5 most popular destinations in Saint Martin?

Average weather in Orient Bay

In September Orient Bay generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Orient Bay
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
29°C / 83°F 
27°C / 80°F 
285 hours 
99mm / 3.9" 
19 days 
29°C / 84°F 
27°C / 81°F 
232 hours 
129mm / 5.1" 
19 days 
October   >> October
>>  
29°C / 83°F 
27°C / 80°F 
244 hours 
113mm / 4.4" 
20 days 
Climate in Orient Bay

Average weather in Les Terres Basses

In September Les Terres Basses generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Les Terres Basses
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
29°C / 83°F 
27°C / 80°F 
285 hours 
99mm / 3.9" 
19 days 
29°C / 84°F 
27°C / 81°F 
232 hours 
128mm / 5.1" 
19 days 
October   >> October
>>  
29°C / 83°F 
27°C / 80°F 
244 hours 
112mm / 4.4" 
20 days 
Climate in Les Terres Basses

Average weather in Baie Nettle

In September Baie Nettle generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Baie Nettle
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
29°C / 83°F 
27°C / 80°F 
285 hours 
99mm / 3.9" 
19 days 
29°C / 84°F 
27°C / 81°F 
232 hours 
128mm / 5" 
19 days 
October   >> October
>>  
29°C / 83°F 
27°C / 80°F 
244 hours 
112mm / 4.4" 
20 days 
Climate in Baie Nettle

Average weather in Orient Bay French St Martin

In September Orient Bay French St Martin generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Orient Bay French St Martin
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
29°C / 83°F 
27°C / 80°F 
285 hours 
99mm / 3.9" 
19 days 
29°C / 84°F 
27°C / 81°F 
232 hours 
129mm / 5.1" 
19 days 
October   >> October
>>  
29°C / 83°F 
27°C / 80°F 
244 hours 
113mm / 4.4" 
20 days 
Climate in Orient Bay French St Martin

Average weather in Grand Case

In September Grand Case generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are pleasant that month.

Grand Case
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
29°C / 83°F 
27°C / 80°F 
285 hours 
99mm / 3.9" 
19 days 
29°C / 84°F 
27°C / 81°F 
232 hours 
128mm / 5.1" 
19 days 
October   >> October
>>  
29°C / 83°F 
27°C / 80°F 
244 hours 
113mm / 4.4" 
20 days 
Climate in Grand Case

Is your destination not in the list? Have a look at other destinations in Saint Martin.

Is September the best time to go to Saint Martin?

In our opinion September is not the best time to visit Saint Martin with commonly pleasant weather in Orient Bay.

On average the best time to visit Saint Martin is in January, February, March, April, May, June, July, August and December with generally perfect weather in Orient Bay. The worst months are September, October and November that can have pleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Saint Martin. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Saint Martin? Get detailed historical weather averages for many cities in Saint Martin.

    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.