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, Winder notes an average high-temperature of a moderately hot 83.8°F (28.8°C), closely following the trend of the preceding month. Winder experiences a steady low-temperature of 64.2°F (17.9°C) throughout September.Heat index
For most parts of September, the heat index is estimated at a tropical 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.One should consider that heat index numbers are for shaded settings and light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The months with the lowest humidity are July, September through November, with an average relative humidity of 72%.Rainfall
In Winder, during September, the rain falls for 11.7 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Winder, Georgia, during the entire year, the rain falls for 160.8 days and collects up to 36.73" (933mm) of precipitation.Snowfall
In Winder, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 7:09 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What are the least humid months?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Winder have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Winder have in September?
How high is the UV index in September?
Average temperature in September
Winder, GA
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Winder, GA
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Winder, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Winder, GA
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July, September, October and November (72%).
Average rainfall in September
Winder, GA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is August (4.21").
The driest month (with the least rainfall) is October (1.73").
Average rainfall days in September
Winder, 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 October (8 days).
Average snowfall in September
Winder, GA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Winder, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Winder, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Winder, GA
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Winder, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Winder, GA
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Winder, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Winder, Georgia, USA
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