September weather forecastSaint Catharine, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Saint Catharine, Kentucky, with an average temperature fluctuating between 78.6°F (25.9°C) and 59.7°F (15.4°C).Temperature
The advent of September brings a slight shift in average high-temperature, moving from 84.7°F (29.3°C) in August to a still moderately hot 78.6°F (25.9°C). Throughout September, an average low-temperature of 59.7°F (15.4°C) is experienced.Humidity
In Saint Catharine, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.Snowfall
In Saint Catharine, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:11 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:25 pm EDT.
Sunshine
In Saint Catharine, Kentucky, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint Catharine, KY
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Saint Catharine, KY
- 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 (29.96"Hg).
Average wind speed in September
Saint Catharine, KY
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Saint Catharine, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (75%).
Average rainfall in September
Saint Catharine, KY
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Saint Catharine, KY
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Saint Catharine, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Saint Catharine, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Catharine, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Saint Catharine, KY
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Saint Catharine, KY
- 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, February, November and December (UV index 2).
Average cloud cover in September
Saint Catharine, KY
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Saint Catharine, KY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
