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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 85.6°F (29.8°C) in August to a still moderately hot 79.3°F (26.3°C). Marked by a significant drop from the daytime highs, Louisa's average low-temperature in September stands at a refreshing 57.7°F (14.3°C).Humidity
The average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.93" (49mm) of precipitation.Snowfall
In Louisa, snow does not fall in May through September.Daylight
In September, the average length of the day in Louisa is 12h and 25min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine in Louisa, Kentucky, is 8.2h.UV index
The average daily maximum UV index in September in Louisa is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the temperature in September in Louisa?
What is the average humidity in September in Louisa?
What is the driest month in Louisa?
How much does it rain in Louisa in September?
When it does not snow in Louisa?
Does it snow in Louisa in September?
How many hours of daylight does Louisa have in September?
When are sunrise and sunset in September in Louisa?
How many hours of sunshine does Louisa have in September?
How high is the UV index in September in Louisa?
Average temperature in September
Louisa, KY
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Louisa, KY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Louisa, KY
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Louisa, KY
- Average humidity in September: 75%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Louisa, KY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Louisa, KY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Louisa, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Louisa, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Louisa, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Louisa, KY
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in September
Louisa, KY
- Average UV index in September: 4
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, February and December (UV index 2).
Average cloud cover in September
Louisa, KY
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Louisa, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Louisa, Kentucky, USA
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