September weather forecastGratz, KY
September
Weather in September
September, the first month of the autumn in Gratz, is still a warm month, with an average temperature ranging between max 78.3°F (25.7°C) and min 58.8°F (14.9°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's 84.7°F (29.3°C) to a still moderately hot 78.3°F (25.7°C). Throughout September, Gratz's nights cool down to an average of 58.8°F (14.9°C).Humidity
August through October, with an average relative humidity of 75%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 2.05" (52mm) of precipitation.Snowfall
In Gratz, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:09 pm. On the last day of September, in Gratz, sunrise is at 7:35 am and sunset at 7:23 pm EDT.
Sunshine
In Gratz, Kentucky, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Gratz is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gratz, KY
- Average high temperature in September: 78.3°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 (38.1°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Gratz, KY
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Gratz, KY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Gratz, KY
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in September
Gratz, KY
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Gratz, KY
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in September
Gratz, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Gratz, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Gratz, KY
- Average daylight in September: 12h and 24min
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 30min).
- Average sunshine in September: 8h and 6min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Gratz, KY
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Gratz, 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
Gratz, KY
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Gratz, KY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).
