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Temperature in Castries in September

Castries is a region in Saint Lucia. September is generally a very warm month with maximum daytime temperatures around 31°C and nighttime temperatures around 26°C in Castries.

What is the temperature of the different cities in Castries in September?

Explore the map below to discover average September temperatures at the top destinations in Castries. For a deeper dive, simply click on any destination dot.

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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Saint Lucia, check out our Castries's climate page.

  • How much sun does Castries get in September?
  • The weather is predominantly sunny, with an estimated total of around 238 hours of sunshine in Castries. This means many sunny days, which creates a cheerful atmosphere during this month.

    Interested in more climate information?

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