US Virgin Islands

US Virgin Islands Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in US Virgin Islands in September.

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Christiansted Charlotte Amalie Saint John East End

Planning a journey to US Virgin Islands this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in US Virgin Islands in September

September in US Virgin Islands 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 Charlotte Amalie. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

For specific regional insights in US Virgin Islands, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Saint John with an average of 145 mm (5.7 in) to high rainfall in Frederiksted with 155 mm (6.1 in). Going by our weather data, it is the wettest month of the year in Charlotte Amalie.

Explore US Virgin Islands by month

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

Best Places to Visit in US Virgin Islands in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across US Virgin Islands.

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 US Virgin Islands

What is the weather like in September for some of the most popular destinations in US Virgin Islands?

Temperature range in US Virgin Islands (September)

Precipitation variation in US Virgin Islands (September)

Charlotte Amalie

In September Charlotte Amalie 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 rainfall
114 mm (4.5 in)
148 mm (5.8 in)
140 mm (5.5 in)
Monthly rainy days
20 days
18 days
19 days
Weather conditions
tolerable
tolerable
pleasant
Climate in Charlotte Amalie →

Saint John

In September Saint John 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 rainfall
112 mm (4.4 in)
145 mm (5.7 in)
140 mm (5.5 in)
Monthly rainy days
20 days
19 days
19 days
Weather conditions
tolerable
tolerable
pleasant
Climate in Saint John →

East End

In September East End 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 rainfall
113 mm (4.4 in)
147 mm (5.8 in)
140 mm (5.5 in)
Monthly rainy days
20 days
18 days
19 days
Weather conditions
tolerable
tolerable
pleasant
Climate in East End →

Bolongo

In September Bolongo 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 rainfall
114 mm (4.5 in)
148 mm (5.8 in)
140 mm (5.5 in)
Monthly rainy days
20 days
18 days
19 days
Weather conditions
tolerable
tolerable
pleasant
Climate in Bolongo →

Frederiksted

In September Frederiksted 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)
27°C (81°F)
Monthly rainfall
118 mm (4.6 in)
155 mm (6.1 in)
140 mm (5.5 in)
Monthly rainy days
19 days
18 days
19 days
Weather conditions
tolerable
tolerable
pleasant
Climate in Frederiksted →

Is your destination not in the list? Have a look at all destinations in US Virgin Islands.

In our records: US Virgin Islands September extremes

Notable September records observed across cities in US Virgin Islands 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 US Virgin Islands reached 44°C (111°F) in Frederiksted on September 14, 2013.

Popular cities in September

Day & night temperatures, rainfall and average weather in US Virgin Islands in September.

City Weather Day temp Night temp Rainfall
Christiansted 30°C (86°F) 27°C (81°F) 154 mm (6.1 in)
Charlotte Amalie 30°C (86°F) 27°C (81°F) 148 mm (5.8 in)
Saint John 30°C (86°F) 27°C (81°F) 145 mm (5.7 in)
East End 30°C (86°F) 27°C (81°F) 147 mm (5.8 in)
Bolongo 30°C (86°F) 27°C (81°F) 148 mm (5.8 in)
Frederiksted 30°C (86°F) 27°C (81°F) 155 mm (6.1 in)

US Virgin Islands weather in September: frequently asked questions

What is the weather like in US Virgin Islands in September?

In September, US Virgin Islands generally has unpleasant weather conditions. Charlotte Amalie sees daytime temperatures near 30°C (86°F), with nights cooling to roughly 27°C (81°F).

What is the average temperature in US Virgin Islands in September?

Daytime temperatures in Charlotte Amalie peak at roughly 30°C (86°F) in September, dropping to about 27°C (81°F) overnight.

Does US Virgin Islands get a lot of rain in September?

Yes, September tends to be a wetter month in US Virgin Islands. Average rainfall in Charlotte Amalie sits around 148 mm (5.8 in).

Is September a Good Time to Visit US Virgin Islands?

In our opinion, September may not be the ideal time to visit US Virgin Islands due to the typically tolerable weather in Charlotte Amalie.

Generally speaking, January, February, March, April, May, June, July and December provide perfect weather in Charlotte Amalie. On the other hand, the weather in August and September tend to be unpleasant.

Interested in more climate information?

We have much more information about the climate in US Virgin Islands.

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

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.