Saint Barthélemy

Saint Barthélemy Weather in September

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

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Gustavia Marigot Salines Saint Barthélemy

Planning a trip to Saint Barthélemy this September? Here's what you need to know about the weather:

What to Expect in Saint Barthélemy in September

September in Saint Barthélemy 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 Gustavia. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

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

Precipitation

September is a rainy month with an average rainfall of around 131 mm (5.2 in) in Gustavia.

Average sunshine

Sunshine is generally plentiful throughout many areas. Gustavia enjoys about 240 hours of sunlight, ideal for those seeking sunny weather.

Explore Saint Barthélemy by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Saint Barthélemy in September

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

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 Barthélemy

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

Temperature range in Saint Barthélemy (September)

Precipitation variation in Saint Barthélemy (September)

Gustavia

In September Gustavia 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
267 hours
240 hours
251 hours
Monthly rainfall
97 mm (3.8 in)
131 mm (5.2 in)
138 mm (5.4 in)
Monthly rainy days
19 days
18 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Gustavia →

Marigot

In September Marigot 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
267 hours
240 hours
251 hours
Monthly rainfall
97 mm (3.8 in)
131 mm (5.2 in)
138 mm (5.4 in)
Monthly rainy days
19 days
18 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Marigot →

Salines

In September Salines 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
267 hours
240 hours
251 hours
Monthly rainfall
97 mm (3.8 in)
130 mm (5.1 in)
138 mm (5.4 in)
Monthly rainy days
19 days
18 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Salines →

Saint Barthélemy

In September Saint Barthélemy 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
267 hours
240 hours
251 hours
Monthly rainfall
97 mm (3.8 in)
131 mm (5.2 in)
138 mm (5.4 in)
Monthly rainy days
19 days
18 days
20 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Saint Barthélemy →

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Gustavia 30°C (86°F) 27°C (81°F) 131 mm (5.2 in)
Marigot 30°C (86°F) 27°C (81°F) 131 mm (5.2 in)
Salines 30°C (86°F) 27°C (81°F) 130 mm (5.1 in)
Saint Barthélemy 30°C (86°F) 27°C (81°F) 131 mm (5.2 in)

Saint Barthélemy weather in September: frequently asked questions

What is the weather like in Saint Barthélemy in September?

Saint Barthélemy typically experiences unpleasant weather in September, part of the season. Daytime highs in Gustavia average around 30°C (86°F), and temperatures drop to about 27°C (81°F) at night.

What is the average temperature in Saint Barthélemy in September?

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

Does Saint Barthélemy get a lot of rain in September?

Saint Barthélemy sees substantial rainfall in September. Gustavia typically averages about 131 mm (5.2 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Saint Barthélemy?

Given the typically tolerable weather conditions in Gustavia, September may not be the ideal time to visit Saint Barthélemy.

Generally speaking, January, February, March, April, May, June, July and December provide perfect weather in Gustavia. The weather in September, on the other hand, tends to be unpleasant.

Interested in more climate information?

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

Weather and climate has detailed information for every country in the world. Are you going to Saint Barthélemy? Get detailed 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 travel conditions. Find out where to go with our weather planner.