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 snowfall in September
- Average snowfall 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
In September, Greenhead experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 86.9°F (30.5°C), closely mirroring the climate in August. An average low-temperature of 70.7°F (21.5°C) is anticipated throughout the nights in Greenhead during September.Heat index
The heat index for September is computed to be a very hot 100.4°F (38°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 18.5 days. Throughout September, 2.87" (73mm) of precipitation is accumulated. In Greenhead, during the entire year, the rain falls for 185.4 days and collects up to 39.13" (994mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In September, the average length of the day in Greenhead, Florida, is 12h and 20min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:05 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:28 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during September translates into the following guidance:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Greenhead have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Greenhead have in September?
What is the UV index intensity in September?
Average temperature in September
Greenhead, FL
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in September: 70.7°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in September
Greenhead, FL
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in September
Greenhead, FL
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Greenhead, FL
- Average humidity in September: 76%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Greenhead, FL
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is August (5.94").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in September
Greenhead, FL
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is August (25.6 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Greenhead, FL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Greenhead, FL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Greenhead, FL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are May and July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in September
Greenhead, FL
- Average sunshine days in September: 9 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is August (3.9 days).
Average UV index in September
Greenhead, FL
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Greenhead, FL
- Average cloud cover in September: 28
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are May and October (Cloud cover 26).
Average visibility in September
Greenhead, 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).
Greenhead, Florida, USA
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