Vieux Fort Weather in September
September in Vieux Fort typically sees daytime highs of 30°C (86°F) and nighttime lows of 26°C (79°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Vieux Fort in September
Climate statistics over the past 30 years suggest around 23 days of rain, with 143 mm (5.6 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Vieux Fort in September
Vieux Fort in September gets highs of 30°C (86°F) during the day and drops to 26°C (79°F) at night. It's usually most comfortable outside during the morning and later in the day. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Vieux Fort in September
The month enjoys around 238 hours of sunshine, creating mostly sunny days with good weather conditions.September in Vieux Fort has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Vieux Fort's climate page.
Vieux Fort Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
76%
Precipitation
143 mm (5.6 in)
Rainy days
23 days
Humidity
81% *
Sunshine
238 hours *
Percentage Sunshine
*
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Vieux Fort typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Historical weather for Vieux Fort in September
Browse day-by-day weather records for Vieux Fort spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vieux Fort historical weather extremes in September
Based on weather observations in Vieux Fort between 2004 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 29, 2020, with a maximum of 35°C (95°F).
- On September 9, 2024, Vieux Fort saw its coldest September day with temperatures maxing out at 27°C (81°F).
- The coldest night in September in Vieux Fort was on September 19, 2015, with a minimum of 21°C (70°F).
Best Places 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. See all of Saint Lucia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Vieux Fort in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Vieux Fort in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Vieux Fort's climate page.
Temperature Rainfall Sunshine Humidity
See the full Vieux Fort climate overview or explore weather in Saint Lucia.
