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, Lexington's average high-temperature slightly adjusts, moderately receding from August's hot 89.8°F (32.1°C) to a moderately hot 84.2°F (29°C). September nights in Lexington cool down to an average low-temperature of 67.1°F (19.5°C).Heat index
The heat index in September is calculated to be a tropical 91.4°F (33°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In Lexington, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall in Lexington. Rain falls for 12.2 days and accumulates 1.5" (38mm) of precipitation.Snowfall
In Lexington, snow does not fall in April through November.Daylight
The average length of the day in September in Lexington is 12h and 22min.On the first day of September, sunrise is at 6:59 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September in Lexington, South Carolina, is 8.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
How hot does it get in Lexington in September?
What is the average humidity in September in Lexington?
What is the driest month in Lexington?
How many days does it rain in September in Lexington?
When it does not snow in Lexington?
What is the average length of the day in September in Lexington?
What time are sunrise and sunset in September in Lexington?
How long on average sun shines in September in Lexington?
What is the UV index reading in September in Lexington?
Average temperature in September
Lexington, SC
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.7°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in September
Lexington, SC
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Lexington, SC
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Lexington, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Lexington, SC
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Lexington, SC
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (7.5 days).
Average snowfall in September
Lexington, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Lexington, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 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
Lexington, SC
- 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Lexington, SC
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Lexington, SC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Lexington, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in September
Lexington, SC
- 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).
Lexington, South Carolina, USA
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