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 the onset of September, Lawrenceville's climate undergoes a slight change as the average high-temperature moves from a hot 89.1°F (31.7°C) in August to a moderately hot 83.7°F (28.7°C). The nighttime temperature in Lawrenceville dips to a comfortable 64.9°F (18.3°C) on average during September.Heat index
During September, the heat index is calculated to be a hot 89.6°F (32°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in September in Lawrenceville is 70%.Rainfall
In September, in Lawrenceville, the rain falls for 12.3 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. Throughout the year, in Lawrenceville, there are 172.5 rainfall days, and 40.59" (1031mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Lawrenceville, the average length of the day in September is 12h and 22min.On the first day of September in Lawrenceville, sunrise is at 7:10 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm EDT.
Sunshine
In September, the average sunshine in Lawrenceville is 8.4h.UV index
In Lawrenceville, Georgia, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Be vigilant - Preventing sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
How hot is September in Lawrenceville?
What is the average humidity in September in Lawrenceville?
How much does it rain in Lawrenceville in September?
When it does not snow in Lawrenceville?
How many hours of daylight does Lawrenceville have in September?
When is the sunrise / sunset in September in Lawrenceville?
How long on average sun shines in September in Lawrenceville?
What is the UV index intensity in September in Lawrenceville?
Average temperature in September
Lawrenceville, GA
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Lawrenceville, 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
Lawrenceville, GA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Lawrenceville, GA
- Average humidity in September: 70%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Lawrenceville, GA
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in September
Lawrenceville, GA
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (20 days).
The months with the least rainy days are October and November (9.7 days).
Average snowfall in September
Lawrenceville, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Lawrenceville, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.3 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
Lawrenceville, 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 July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Lawrenceville, GA
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (9 days).
Average UV index in September
Lawrenceville, 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 2).
Average cloud cover in September
Lawrenceville, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Lawrenceville, GA
- 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).
Lawrenceville, Georgia, USA
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