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
Nelson experiences a transition to a moderately hot 81.9°F (27.7°C) in average high-temperatures with the arrival of September, not greatly differing from August's 86.5°F (30.3°C). During September, Nelson records a consistent average nighttime temperature of 61.3°F (16.3°C).Heat index
In September, the average heat index is appraised at a tropical 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially crucial for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.7 days and typically collects 2.76" (70mm) of precipitation.Snowfall
In Nelson, Georgia, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:11 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Nelson, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Nelson, GA
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Nelson, GA
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Nelson, GA
- Average wind speed in September: 4.4mph
The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Nelson, GA
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in September
Nelson, GA
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the least rainfall) is September (2.76").
Average rainfall days in September
Nelson, GA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is October (10.3 days).
Average snowfall in September
Nelson, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in September
Nelson, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Nelson, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Nelson, GA
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Nelson, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Nelson, GA
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and October (Cloud cover 33).
Average visibility in September
Nelson, GA
- Average visibility in September: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Nelson, Georgia, USA
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