Saint Kitts & Nevis

Saint Kitts & Nevis Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Saint Kitts & Nevis in September.

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Frigate Bay Nevis

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

What to Expect in Saint Kitts & Nevis in September

September in Saint Kitts & Nevis generally has warm temperatures, with high precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 27°C (81°F) in Frigate Bay. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

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

Precipitation

September is a rainy month with an average rainfall of around 133 mm (5.2 in) in Frigate Bay.

Explore Saint Kitts & Nevis by month

Pick a month to see the average temperature, rainfall and sunshine in Saint Kitts & Nevis - and find the best time to visit. (based on Frigate 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) August29°C (84°F) September29°C (84°F) October29°C (84°F) November29°C (84°F) December28°C (82°F)
Best Time to Visit Saint Kitts & Nevis →

Best Places to Visit in Saint Kitts & Nevis in September

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

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 Kitts & Nevis

What is the weather like in September for some of the most popular destinations in Saint Kitts & Nevis?

Temperature range in Saint Kitts & Nevis (September)

Precipitation variation in Saint Kitts & Nevis (September)

Frigate Bay

In September Frigate 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 very good that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
29°C (84°F)
29°C (84°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
102 mm (4 in)
133 mm (5.2 in)
136 mm (5.4 in)
Monthly rainy days
19 days
18 days
20 days
Weather conditions
very good
very good
very good
Climate in Frigate Bay →

Nevis

In September Nevis 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 good 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
100 mm (3.9 in)
131 mm (5.2 in)
133 mm (5.2 in)
Monthly rainy days
19 days
18 days
21 days
Weather conditions
good
good
very good
Climate in Nevis →

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

In our records: Saint Kitts & Nevis September extremes

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

  • From our sources, the wettest September day in Saint Kitts & Nevis brought 170 mm (6.7 in) in Nevis on September 20, 2017.

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Frigate Bay 29°C (84°F) 27°C (81°F) 133 mm (5.2 in)
Nevis 30°C (86°F) 27°C (81°F) 131 mm (5.2 in)

Saint Kitts & Nevis weather in September: frequently asked questions

What is the weather like in Saint Kitts & Nevis in September?

Saint Kitts & Nevis typically experiences very good weather in September, part of the season. Daytime highs in Frigate Bay average around 29°C (84°F), and temperatures drop to about 27°C (81°F) at night.

What is the average temperature in Saint Kitts & Nevis in September?

Daytime temperatures in Frigate Bay peak at roughly 29°C (84°F) in September, dropping to about 27°C (81°F) overnight.

Does Saint Kitts & Nevis get a lot of rain in September?

Saint Kitts & Nevis sees substantial rainfall in September. Frigate Bay typically averages about 133 mm (5.2 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Saint Kitts & Nevis?

In our view, September might not be the best time to travel to Saint Kitts & Nevis with often very good weather in Frigate Bay.

Generally speaking, the best visiting conditions can be found in January, February, March, April, May, June, July and December offering mostly excellent weather in Frigate Bay.

Interested in more climate information?

We have much more information about the climate in Saint Kitts & Nevis.

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

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.