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When to go · Castries

Castries in September

Avoid month. Peak hurricane risk; fewest visitors.

Key facts

Verdict
Avoid
Temperature
31° / 24°
average high / low
Rain days
19
Crowds
Low
Saint Lucia overall
Prices
Low
Saint Lucia overall

Verdict

AvoidVoykit month rating for Castries

Peak hurricane risk; fewest visitors.

Weather in September

Long-term averages
  • CastriesHighs around 31 °C, lows around 24 °C, rain on about 19 days
  • North (Rodney Bay, Castries), Saint Lucia · Gros Islet, Rodney Bay, Castries, Marigot Baystorm or typhoon risk

    Drier, flatter north; 26–31 °C with trade winds.

Wet / hurricane season season

Short daily showers, fewer visitors, lower prices, and real storm risk Aug–Oct — buy insurance with storm cover.

Crowds and prices

Crowds · Saint Lucia overall
Low
Prices · Saint Lucia overall
Low

Saint Lucia overall: Peak storm risk; some hotels close.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast
  • A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Across Saint Lucia in September →