Barbados, the Gem of the Caribbean
This small island is home to friendly locals, fantastic restaurants, beautiful landscapes, and impressive marine life. Barbados is frequently described as the “Gem of the Caribbean”.
With daytime temperatures of 30°C (86°F) and nighttime lows of 27°C (81°F), September in Mullins brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 149 mm (5.9 in) falls on average.
If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Mullins. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Mullins - and find the best time to visit.
47-year average (1976-2025)
Based on our historical records, temperatures in Mullins typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Browse day-by-day weather records for Mullins spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 23 years of weather observations (2002-2025), these are the most extreme conditions recorded in Mullins.
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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Mullins 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. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Mullins climate overview or explore weather in Barbados.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Barbados, the Gem of the Caribbean
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