September weather forecastArch Hall, Barbados
September
Weather in September
September in Arch Hall sustains the rainy season with an average rainfall of 103mm (4.06") distributed across 22.2 days. The transition from August to September brings little variation in temperatures and sunlight hours. Moving towards October might invite heavier rain but ever so slightly, meaning the city can still enjoy some sun and sand time. Despite being part of the rainy season, September's balanced weather keeps Arch Hall a favorable destination for those undeterred by the extra showers. In conclusion, September blends heavy rainfall with relatively consistent temperatures, offering an interesting weather experience in Arch Hall.Temperature
Arch Hall experiences peak temperatures, averaging a high-temperature of 28.9°C (84°F) during September and October.Heat index
September's mean heat index is estimated at a tropical 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The average relative humidity in September is 75%.Rainfall
In Arch Hall, during September, the rain falls for 22.2 days and regularly aggregates up to 103mm (4.06") of precipitation. In Arch Hall, during the entire year, the rain falls for 233.8 days and collects up to 706mm (27.8") of precipitation.Daylight
In Arch Hall, the average length of the day in September is 12h and 12min.On the first day of September in Arch Hall, sunrise is at 05:47 and sunset at 18:09. On the last day of the month, sunrise is at 05:47 and sunset at 17:48 AST.
Sunshine
The average sunshine in September is 9.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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
Arch Hall, 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).
