Layou Weather in September
September in Layou averages 30°C (86°F) during the day and 27°C (81°F) at night. Quite a bit of rainfall is typical this month, with around 158 mm (6.2 in) on average. An umbrella is a good idea.
Rainfall in Layou in September
Historically, September sees about 21 days of rain, with a monthly average of 158 mm (6.2 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Layou in September
In September, Layou sees high temperatures, with highs of 30°C (86°F). Nights drop to around 27°C (81°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Layou. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Vincent & Grenadines, check out our Layou's climate page.
Layou Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
71%
Precipitation
158 mm (6.2 in)
Rainy days
21 days
Daily Historical Temperatures
46-year average (1977-2025)
Based on our historical records, temperatures in Layou 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 Layou in September
Browse day-by-day weather records for Layou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Layou historical weather extremes in September
According to our 21 years of weather records for Layou, the following extremes were recorded between 2004 and 2025.
- On September 14, 2011, temperatures climbed to 38°C (100°F), marking the warmest September day on record.
- On September 9, 2024, Layou saw its coldest September day with temperatures maxing out at 27°C (81°F).
- The lowest overnight temperature recorded in September was 22°C (72°F) (September 17, 2007).
Best Places in Saint Vincent & Grenadines in September
Find out more about the weather in Saint Vincent & Grenadines and which places have the best travel conditions in this month. See all of Saint Vincent & Grenadines in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Layou in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Layou 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 Vincent & Grenadines, check out our Layou's climate page.
See the full Layou climate overview or explore weather in Saint Vincent & Grenadines.
