September weather forecastGreenwood, FL
September
Weather in September
September, the first month of the autumn in Greenwood, is also a hot month, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 69.8°F (21°C).Temperature
The arrival of September denotes a barely perceptible change in the average high-temperatures to a still tropical 86.9°F (30.5°C) from August's 90.3°F (32.4°C). The average temperature in Greenwood drops to an agreeable 69.8°F (21°C) during the night in the month of September.Heat index
In September, the heat index is appraised at a very hot 100.4°F (38°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
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 Greenwood, during the entire year, the rain falls for 185.3 days and collects up to 37.24" (946mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in September is 12h and 20min.On the first day of September in Greenwood, sunrise is at 6:17 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 6:26 pm CDT.
Sunshine
In September, the average sunshine in Greenwood, Florida, is 8.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September leads to these instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Greenwood, FL
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in September: 69.8°F
The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (43°F).
Average pressure in September
Greenwood, 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
Greenwood, FL
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Greenwood, FL
- Average humidity in September: 76%
The months with the highest relative humidity are August and December (77%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Greenwood, FL
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is August (5.55").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in September
Greenwood, FL
- Average rainfall days in September: 18.5 days
The months with the highest number of rainy days are July and August (25.3 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
Greenwood, FL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
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
Greenwood, FL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Greenwood, FL
- Average daylight in September: 12h and 18min
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 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in September
Greenwood, FL
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in September
Greenwood, 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
Greenwood, FL
- Average cloud cover in September: 29
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are May and October (Cloud cover 27).
Average visibility in September
Greenwood, 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).
