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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 84.6°F (29.2°C) in August to a still moderately hot 78.3°F (25.7°C). Mason in September experiences a low-temperature average of 58.5°F (14.7°C).Humidity
In September, the average relative humidity is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.9 days and typically collects 2.13" (54mm) of precipitation.Snowfall
In Mason, 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 the month, sunrise is at 7:08 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Mason, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Mason?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Mason have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Mason have in September?
How high is the UV index in September?
Average temperature in September
Mason, KY
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Mason, 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
Mason, KY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Mason, KY
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Mason, KY
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Mason, KY
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Mason, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mason, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 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
Mason, 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 30min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Mason, KY
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in September
Mason, KY
- Average UV index in September: 5
The months with the highest UV index are 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
Mason, KY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Mason, 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).
Mason, Kentucky, USA
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