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
With September's arrival, Greenville notes an average high-temperature of a moderately hot 84°F (28.9°C), closely following the trend of the preceding month. An average nighttime temperature of 65.5°F (18.6°C) is noted during the month of September.Heat index
Throughout September, the heat index is appraised at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 74%.Rainfall
In Greenville, Georgia, during September, the rain falls for 11.7 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Greenville, during the entire year, the rain falls for 143.3 days and collects up to 18.15" (461mm) of precipitation.Snowfall
In Greenville, Georgia, snow does not fall in April through December.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Greenville, sunrise is at 7:13 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:24 pm EDT.
Sunshine
In Greenville, Georgia, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
Is it hot in Greenville during September?
What is the average humidity in September in Greenville?
How much does it rain in Greenville in September?
When it does not snow in Greenville?
How many hours of daylight does Greenville have in September?
What time are sunrise and sunset in September in Greenville?
How long on average sun shines in September in Greenville?
What is the UV index intensity in September in Greenville?
Average temperature in September
Greenville, GA
- Average high temperature in September: 84°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.7°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in September
Greenville, GA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Greenville, GA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Greenville, GA
- Average humidity in September: 74%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Greenville, GA
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is August (2.87").
The driest months (with the least rainfall) are October and November (0.98").
Average rainfall days in September
Greenville, GA
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in September
Greenville, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Greenville, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 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
Greenville, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Greenville, GA
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in September
Greenville, GA
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Greenville, GA
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 33).
Average visibility in September
Greenville, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Greenville, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location
