Saint Martin

Saint Martin Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Saint Martin in September.

🔎
Orient Bay Les Terres Basses Baie Nettle Orient Bay French St Martin

Are you planning a trip a to Saint Martin in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Saint Martin in September

September in Saint Martin generally has warm temperatures, with high precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 27°C (81°F) in Orient Bay. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

For a closer look at conditions across Saint Martin, refer to the map below.

Precipitation

September is a rainy month with an average rainfall of around 134 mm (5.3 in) in Orient Bay.

Average sunshine

September brings good sunshine to many areas. Orient Bay sees around 232 hours of sunlight, great for visitors looking for bright days.

Explore Saint Martin by month

Pick a month to see the average temperature, rainfall and sunshine in Saint Martin — and find the best time to visit. (based on Orient Bay)

January27°C (81°F) February27°C (81°F) March27°C (81°F) April27°C (81°F) May28°C (82°F) June29°C (84°F) This monthJuly29°C (84°F) August30°C (86°F) September30°C (86°F) October29°C (84°F) November29°C (84°F) December28°C (82°F)
Best Time to Visit Saint Martin →

Best Places to Visit in Saint Martin in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Saint Martin.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Saint Martin

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

Temperature range in Saint Martin (September)

Precipitation variation in Saint Martin (September)

Orient Bay

In September Orient Bay generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
285 hours
232 hours
244 hours
Monthly rainfall
97 mm (3.8 in)
134 mm (5.3 in)
139 mm (5.5 in)
Monthly rainy days
19 days
19 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Orient Bay →

Les Terres Basses

In September Les Terres Basses generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
285 hours
232 hours
244 hours
Monthly rainfall
97 mm (3.8 in)
134 mm (5.3 in)
139 mm (5.5 in)
Monthly rainy days
19 days
19 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Les Terres Basses →

Baie Nettle

In September Baie Nettle generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
285 hours
232 hours
244 hours
Monthly rainfall
97 mm (3.8 in)
134 mm (5.3 in)
139 mm (5.5 in)
Monthly rainy days
19 days
19 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Baie Nettle →

Orient Bay French St Martin

In September Orient Bay French St Martin generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
285 hours
232 hours
244 hours
Monthly rainfall
97 mm (3.8 in)
134 mm (5.3 in)
139 mm (5.5 in)
Monthly rainy days
19 days
19 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Orient Bay French St Martin →

Grand Case

In September Grand Case generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
285 hours
232 hours
244 hours
Monthly rainfall
97 mm (3.8 in)
134 mm (5.3 in)
139 mm (5.5 in)
Monthly rainy days
19 days
19 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Grand Case →

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

In our records: Saint Martin September extremes

Notable September records observed across cities in Saint Martin in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest September day in Saint Martin reached 39°C (102°F) in Orient Bay French St Martin on September 1, 2016.

Popular cities in September

Day & night temperatures, rainfall and average weather in Saint Martin in September.

City Weather Day temp Night temp Rainfall
Orient Bay 30°C (86°F) 27°C (81°F) 134 mm (5.3 in)
Les Terres Basses 30°C (86°F) 27°C (81°F) 134 mm (5.3 in)
Baie Nettle 30°C (86°F) 27°C (81°F) 134 mm (5.3 in)
Orient Bay French St Martin 30°C (86°F) 27°C (81°F) 134 mm (5.3 in)
Anse Marcel 30°C (86°F) 27°C (81°F) 134 mm (5.3 in)
Oyster Pond 30°C (86°F) 27°C (81°F) 134 mm (5.3 in)

Saint Martin weather in September: frequently asked questions

What is the weather like in Saint Martin in September?

Expect unpleasant weather across Saint Martin in September. The popular destination of Orient Bay averages 30°C (86°F) by day and 27°C (81°F) at night during this month.

What is the average temperature in Saint Martin in September?

In Orient Bay, the average daytime high in September is 30°C (86°F), while nighttime temperatures drop to around 27°C (81°F).

Does Saint Martin get a lot of rain in September?

Saint Martin sees substantial rainfall in September. Orient Bay typically averages about 134 mm (5.3 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Saint Martin?

In our view, September might not be the best time to travel to Saint Martin with often tolerable weather in Orient Bay.

On average, the best time to visit Saint Martin is in January, February, March, April, May, June, July and December with generally perfect weather in Orient Bay. On the other hand, the weather in September tends to be unpleasant.

Interested in more climate information?

We have much more information about the climate in Saint Martin.

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 travel conditions. Find out where to go with our weather planner.