Saint James Weather in September

September in Saint James brings high temperatures, with highs of 30°C (86°F) and nights dropping to 27°C (81°F). Rainfall is on the higher side this month, averaging around 149 mm (5.9 in), so keep a rain jacket handy.

Rainfall in Saint James in September

Typically, you can expect about 16 days of rain this month, with 149 mm (5.9 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Saint James in September

September in Saint James brings high temperatures, with highs of 30°C (86°F) and nights around 27°C (81°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights remain warm at around 27°C (81°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.

Sunshine in Saint James in September

There are approximately 233 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Saint James in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

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 Saint James. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Saint James Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 54%  

Precipitation 149 mm (5.9 in)  

Rainy days 16 days  

Humidity 80% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 233 hours *  

Percentage Sunshine *  

* Data from: Bridgetown, Barbados (21 KM, 13 Miles).

Daily Historical Temperatures

47-year average (1976-2025)

Based on our historical records, temperatures in Saint James 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

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Historical weather for Saint James in September

Browse day-by-day weather records for Saint James spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Saint James historical weather extremes in September

Our historical data for Saint James spans 2002 to 2025, revealing these weather extremes.

• On September 27, 2016, temperatures climbed to 36°C (97°F), marking the warmest September day on record.
• On September 21, 2010, Saint James saw its coldest September day with temperatures maxing out at 26°C (79°F).
• The coldest night in September in Saint James was on September 2, 2022, with a minimum of 19°C (66°F).

What to Wear in Saint James in September

Warm but pleasant conditions in Saint James 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. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Saint James in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Saint James

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Saint James climate overview or explore weather in Barbados.