Castries weather in September (Castries, Saint Lucia)

Interested in knowing the climate of Castries in September? Get all the weather information you need to plan your visit.

Temperatures

The month of September in Castries typically brings very high temperatures and high rainfall. Daytime temperatures hover around 31°C, while nights can cool down to about 26°C. These temperatures are typical, but it's wise to prepare for hotter days. Dress in light, airy clothing and protect yourself from the sun.

Precipitation

Castries in September usually receives high rainfall, averaging around 122 mm for the month. Expect around 24 days of rain based on historical data.

Average sunshine

With around 238 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Castries. January and February typically offer the best circumstances. While August, September, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Castries climate page with graphs.

 

Castries, monthly averages in September

Min Temperature 26°C  

Max Temperature 31°C  

Chance of Rain 81%  

Precipitation 122 mm  

Rainy days 24 days  

Humidity 81% *  

Sunshine 238 hours *  

Percentage Sunshine *  

Data from: Saint Lucia, Saint Lucia (4 KM, 2 Miles).

Where to go in Saint Lucia in September

Find out more about the weather in Saint Lucia and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Castries.

Our site offers climate and forecast data for every country in the world. Are you going to Saint Lucia? On this website you can find historical weather averages for many cities in Saint Lucia. 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.