Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the warmest month, September, temperatures average a high of 28.8°C (83.8°F) and a low of 27.8°C (82°F).Heat index
The heat index value during September is computed to be a hot 34°C (93.2°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In Butlers, Saint Kitts and Nevis, the average relative humidity in September is 77%.Rainfall
In September, in Butlers, the rain falls for 21.9 days. Throughout September, 92mm (3.62") of precipitation is accumulated. In Butlers, during the entire year, the rain falls for 261.5 days and collects up to 730mm (28.74") of precipitation.Daylight
The average length of the day in September in Butlers is 12h and 14min.On the first day of September in Butlers, sunrise is at 05:56 and sunset at 18:23. On the last day of the month, sunrise is at 06:00 and sunset at 17:59 AST.
Sunshine
In Butlers, the average sunshine in September is 10.3h.UV index
The months with the highest UV index in Butlers are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the warmest month in Butlers?
How hot is September in Butlers?
What is the average humidity in September in Butlers?
How many days does it rain in September in Butlers?
What is the average length of the day in September in Butlers?
When are sunrise and sunset in September in Butlers?
How long on average sun shines in September in Butlers?
When is the highest UV index in Butlers?
What are the months with the lowest UV index in Butlers?
What is the UV index intensity in September in Butlers?
Average temperature in September
Butlers, Saint Kitts and Nevis
- 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 (25.9°C).
- Average low temperature in September: 27.8°C
The month with the highest average low temperature is October (28°C).
The coldest month (with the lowest average low temperature) is March (25.1°C).
Average pressure in September
Butlers, Saint Kitts and Nevis
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is June (1016.2mbar).
The months with the lowest atmospheric pressure are October and November (1012.5mbar).
Average wind speed in September
Butlers, Saint Kitts and Nevis
- Average wind speed in September: 20.5km/h
The windiest month (with the highest average wind speed) is July (26.4km/h).
The calmest month (with the lowest average wind speed) is October (19.8km/h).
Average humidity in September
Butlers, Saint Kitts and Nevis
- 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
Butlers, Saint Kitts and Nevis
- Average rainfall in September: 92mm
The wettest month (with the highest rainfall) is October (104mm).
The driest month (with the least rainfall) is February (29mm).
Average rainfall days in September
Butlers, Saint Kitts and Nevis
- Average rainfall days in September: 21.9 days
The month with the highest number of rainy days is November (24.5 days).
The month with the least rainy days is June (18.7 days).
Average daylight in September /
Average sunshine in September
Butlers, Saint Kitts and Nevis
- 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Butlers, Saint Kitts and Nevis
- Average sunshine days in September: 5 days
The month with the most sunshine days is March (6.4 days).
The month with the least sunshine days is November (2.2 days).
Average UV index in September
Butlers, Saint Kitts and Nevis
- 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
Butlers, Saint Kitts and Nevis
- Average cloud cover in September: 37
The months with the most cloud cover are May and June (Cloud cover 41).
The month with the least cloud cover is February (Cloud cover 33).
Average visibility in September
Butlers, Saint Kitts and Nevis
- 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).
Butlers, Saint Kitts and Nevis
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