Long Bay Weather in September
Thinking of visiting Long Bay in September? Expect high temperatures reaching 30°C (86°F) during the day, dropping to 27°C (81°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Long Bay in September
Looking at the last 30 years, the data shows about 16 days with rain, averaging 148 mm (5.8 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Long Bay in September
September in Long Bay sees highs of 30°C (86°F) and lows of 27°C (81°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Long Bay in September
The month enjoys around 233 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Long Bay in September
Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in September
At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Long Bay. 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 Barbados, check out our Long Bay's climate page.
Long Bay Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F) *
Chance of Rain
53%
Precipitation
148 mm (5.8 in)
Rainy days
16 days
Humidity
80% *
Windspeed
3 m/s (6 knots) *
Sunshine
233 hours *
Percentage Sunshine
*
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Long Bay 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 Long Bay in September
Browse day-by-day weather records for Long Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Long Bay historical weather extremes in September
Our historical data for Long Bay spans 2002 to 2025, revealing these weather extremes.
- Long Bay recorded its highest September temperature of 36°C (97°F) on September 27, 2016.
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 21, 2010.
- The lowest overnight temperature recorded in September was 22°C (72°F) (September 28, 2020).
Best Places in Barbados in September
Find out more about the weather in Barbados and which places have the best travel conditions in this month. See all of Barbados in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Long Bay in September
Warm but pleasant conditions in Long Bay in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Long Bay 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 Barbados, check out our Long Bay's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Long Bay climate overview or explore weather in Barbados.
