September weather forecastLexington, AL
September
Weather in September
September, the first month of the autumn in Lexington, is still a warm month, with an average temperature varying between 82.2°F (27.9°C) and 63.3°F (17.4°C).Temperature
Lexington's progression into September involves a gentle drop in the average high-temperature, from a hot 87.6°F (30.9°C) in August to a warm 82.2°F (27.9°C). In the month of September, Lexington witnesses a consistent average low-temperature of 63.3°F (17.4°C).Heat index
September's average heat index is computed to be a hot 87.8°F (31°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Lexington, in September, during 13.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 164 rainfall days, and 37.56" (954mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:34 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Lexington, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lexington, AL
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Lexington, AL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Lexington, AL
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in September
Lexington, AL
- Average humidity in September: 75%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Lexington, AL
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is November (2.32").
Average rainfall days in September
Lexington, AL
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Lexington, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Lexington, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.3 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
Lexington, AL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Lexington, AL
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Lexington, AL
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Lexington, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Lexington, AL
- 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).
