September weather forecastPrairie Junction, FL
September
Weather in September
September, the first month of the autumn in Prairie Junction, is still a hot month, with an average temperature fluctuating between 88.2°F (31.2°C) and 73.6°F (23.1°C).Temperature
Prairie Junction records an average high-temperature of a still tropical 88.2°F (31.2°C) in September, maintaining a close correlation with August's 90°F (32.2°C). In Prairie Junction, the expected average low-temperature for September is a moderately hot 73.6°F (23.1°C).Heat index
During September, the heat index is evaluated at a blisteringly hot 105.8°F (41°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 79%.Rainfall
In September, the rain falls for 20.6 days. Throughout September, 3.98" (101mm) of precipitation is accumulated. In Prairie Junction, Florida, during the entire year, the rain falls for 189 days and collects up to 36.54" (928mm) of precipitation.Daylight
The average length of the day in September is 12h and 19min.On the first day of September, sunrise is at 7:06 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 in September translates into this advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Prairie Junction, FL
- Average high temperature in September: 88.2°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (68.9°F).
- Average low temperature in September: 73.6°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).
Average pressure in September
Prairie Junction, FL
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in September
Prairie Junction, FL
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in September
Prairie Junction, FL
- Average humidity in September: 79%
The months with the highest relative humidity are August and September (79%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Prairie Junction, FL
- Average rainfall in September: 3.98"
The wettest month (with the highest rainfall) is August (6.89").
The driest months (with the least rainfall) are January and November (1.18").
Average rainfall days in September
Prairie Junction, FL
- Average rainfall days in September: 20.6 days
The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is January (9.1 days).
Average daylight in September /
Average sunshine in September
Prairie Junction, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is May (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Prairie Junction, FL
- Average sunshine days in September: 7.8 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (2.9 days).
Average UV index in September
Prairie Junction, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Prairie Junction, FL
- Average cloud cover in September: 35
The months with the most cloud cover are February and December (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 29).
Average visibility in September
Prairie Junction, FL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
