St Kitts Weather in September

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

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Frigate Bay

Planning a journey to St Kitts, Saint Kitts & Nevis 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 St Kitts in September

St Kitts, Saint Kitts & Nevis is a region in Saint Kitts & Nevis. September in St Kitts 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. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

To learn more about the conditions in specific areas of St Kitts, 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 St Kitts by month

Pick a month to see the average temperature, rainfall and sunshine in St Kitts — 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 St Kitts →

Best Places to Visit in St Kitts in September

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

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 St Kitts

What is the weather like in September for the most popular destinonation in St Kitts, Saint Kitts & Nevis?

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 pleasant 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
pleasant
pleasant
pleasant
Climate in Frigate Bay →

Is your destination not in the list? Have a look at all destinations in St Kitts, 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.

St Kitts weather in September: frequently asked questions

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

September in St Kitts, Saint Kitts & Nevis brings pleasant weather. In Frigate Bay, daytime temperatures are typically around 29°C (84°F) and nighttime lows hover near 27°C (81°F).

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

Average temperatures in St Kitts, Saint Kitts & Nevis during September range from a nighttime low near 27°C (81°F) to a daytime high around 29°C (84°F) in Frigate Bay.

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

Frigate Bay typically receives notable rainfall in September, about 133 mm (5.2 in) on average across St Kitts, Saint Kitts & Nevis.

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

In our opinion, September may not be the ideal time to visit St Kitts, Saint Kitts & Nevis due to the typically pleasant 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 perfect weather in Frigate Bay.

Interested in more climate information?

We have much more information about the climate in St Kitts.

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.