September weather forecastMount Standfast, Barbados
September
Weather in September
September brings a slight downturn in both temperature and rain in comparison to August. Nevertheless, with the high temperature settling at 28.9°C (84°F), the climate still remains ideally warm. Rainfall sees a notable drop settling at 103mm (4.06"). Pleasant weather persists on the island, accompanied by gentle breezes. A drop in wind speed to an average maximum of 19.7km/h (12.2mph) is observed.Temperature
Mount Standfast witnesses its highest average temperatures during September and October, peaking at 28.9°C (84°F).Heat index
Throughout September, the heat index is estimated at a hot 33°C (91.4°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Mount Standfast, in September, it is raining for 22.2 days, with typically 103mm (4.06") of accumulated precipitation. Throughout the year, in Mount Standfast, Barbados, there are 233.8 rainfall days, and 706mm (27.8") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 12min.On the first day of the month, sunrise is at 05:47 and sunset at 18:09. On the last day of September, in Mount Standfast, sunrise is at 05:47 and sunset at 17:48 AST.
Sunshine
In Mount Standfast, Barbados, the average sunshine in September is 9.4h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Mount Standfast. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Mount Standfast. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 7 turns into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Standfast, Barbados
- Average high temperature in September: 28.9°C
The warmest months (with the highest average high temperature) are September and October (28.9°C).
The month with the lowest average high temperature is February (26.8°C).
- Average low temperature in September: 27.7°C
The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).
Average pressure in September
Mount Standfast, Barbados
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Mount Standfast, Barbados
- Average wind speed in September: 19.4km/h
The windiest months (with the highest average wind speed) are January and February (28.3km/h).
The calmest month (with the lowest average wind speed) is September (19.4km/h).
Average humidity in September
Mount Standfast, Barbados
- Average humidity in September: 75%
The months with the highest relative humidity are June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).
Average rainfall in September
Mount Standfast, Barbados
- Average rainfall in September: 103mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is February (13mm).
Average rainfall days in September
Mount Standfast, Barbados
- Average rainfall days in September: 22.2 days
The month with the highest number of rainy days is July (26.3 days).
The month with the least rainy days is February (11.3 days).
Average daylight in September /
Average sunshine in September
Mount Standfast, Barbados
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Mount Standfast, Barbados
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is February (14.3 days).
The month with the least sunshine days is July (1.3 days).
Average UV index in September
Mount Standfast, Barbados
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Mount Standfast, Barbados
- Average cloud cover in September: 39
The month with the most cloud cover is June (Cloud cover 49).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility in September
Mount Standfast, Barbados
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
