September weather forecast
Boyd's, Saint Kitts and Nevis

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Weather in September

September signals a downward trend in temperatures in Boyd's, offering a softer, cooler climate. A defining characteristic of this month is an all-time high average rainfall of 52mm (2.05"). The daily sunshine hours reduce noticeably, yet ensuring sufficient daylight. Drastic changes in the weather pattern persist with the wind's speed crashing to a yearly low of 20.4km/h (12.7mph). The gradual transition from hot summer to a relatively milder autumn makes September an intriguing month in the climatology of Boyd's.

Temperature

In Boyd's, the month of September is known for its highest average temperatures, reaching a high of 28.8°C (83.8°F) and a low of 27.7°C (81.9°F).

Heat index

The heat index for September is appraised at a hot 34°C (93.2°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The average relative humidity in September in Boyd's is 77%.

Rainfall

The month with the most rainfall is September, when the rain falls for 19.6 days and typically aggregates up to 52mm (2.05") of precipitation.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 05:57 and sunset at 18:24. On the last day of September, in Boyd's, sunrise is at 06:01 and sunset at 18:00 AST.

Sunshine

In Boyd's, the average sunshine in September is 10h.

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 in Boyd's are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 7 suggests this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What part of the year is the hottest in Boyd's?

With average high and low temperatures of 28.8°C (83.8°F) and 27.7°C (81.9°F) respectively, September is Boyd's's warmest month.

How hot does it get in Boyd's in September?

During September, Boyd's experiences an average high-temperature of 28.8°C (83.8°F) and a low-temperature of 27.7°C (81.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 34°C (93.2°F).

What is the average humidity in September in Boyd's?

In Boyd's, the average relative humidity in September is 77%.

What is the wettest month in Boyd's?

The month with the most rainfall in Boyd's is September, when the rain falls for 19.6 days and typically aggregates up to 52mm (2.05") of precipitation.

How much does it rain in Boyd's in September?

In Boyd's, in September, it is raining for 19.6 days, with typically 52mm (2.05") of accumulated precipitation.

What is the average length of the day in September in Boyd's?

In September, the average day length in Boyd's, Saint Kitts and Nevis, is 12h and 14min.

When is the sunrise / sunset in September in Boyd's?

In September, on the first day of the month, sunrise is at 05:57 and sunset at 18:24. On the last day of the month, in Boyd's, sunrise is at 06:01 and sunset at 18:00 AST.

How many hours of sunshine does Boyd's have in September?

In Boyd's, Saint Kitts and Nevis, the average sunshine duration in September is 10h.

What are the months with the highest UV index in Boyd's?

The months with the highest UV index in Boyd's are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Boyd's?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

How high is the UV index in September in Boyd's?

The average daily maximum UV index in September in Boyd's is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.

Average temperature in September
Boyd's, Saint Kitts and Nevis

Average temperature in September - Boyd
  • Average high temperature in September: 28.8°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is March (25.8°C).

  • Average low temperature in September: 27.7°C

The month with the highest average low temperature is September (27.7°C).
The coldest month (with the lowest average low temperature) is February (24.8°C).

Average pressure in September
Boyd's, Saint Kitts and Nevis

Average pressure in September - Boyd
  • Average pressure in September: 1013.1mbar

The months with the highest atmospheric pressure are January and June (1016.2mbar).
The month with the lowest atmospheric pressure is October (1012.5mbar).

Average wind speed in September
Boyd's, Saint Kitts and Nevis

Average wind speed in September - Boyd
  • Average wind speed in September: 20.4km/h

The windiest month (with the highest average wind speed) is July (26.3km/h).
The calmest month (with the lowest average wind speed) is September (20.4km/h).

Average humidity in September
Boyd's, Saint Kitts and Nevis

Average humidity in September - Boyd
  • Average humidity in September: 77%

The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March and December (75%).

Average rainfall in September
Boyd's, Saint Kitts and Nevis

Average rainfall in September - Boyd
  • Average rainfall in September: 52mm

The wettest month (with the highest rainfall) is September (52mm).
The driest month (with the least rainfall) is February (15mm).

Average rainfall days in September
Boyd's, Saint Kitts and Nevis

Average rainfall days in September - Boyd
  • Average rainfall days in September: 19.6 days

The month with the highest number of rainy days is September (19.6 days).
The month with the least rainy days is February (12.6 days).

Average daylight in September /
Average sunshine in September
Boyd's, Saint Kitts and Nevis

Average daylight in September / Average sunshine in September - Boyd
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).

Average sunshine days in September
Boyd's, Saint Kitts and Nevis

Average sunshine days in September - Boyd
  • Average sunshine days in September: 7.3 days

The month with the most sunshine days is June (11.1 days).
The month with the least sunshine days is September (7.3 days).

Average UV index in September
Boyd's, Saint Kitts and Nevis

Average UV index in September - Boyd
  • 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
Boyd's, Saint Kitts and Nevis

Average cloud cover in September - Boyd
  • Average cloud cover in September: 38

The months with the most cloud cover are May and July (Cloud cover 41).
The months with the least cloud cover are February and March (Cloud cover 33).

Average visibility in September
Boyd's, Saint Kitts and Nevis

Average visibility in September - Boyd
  • 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).

Boyd's, Saint Kitts and Nevis

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