September weather forecastMount Washington, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Mount Washington, Kentucky, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 79.5°F (26.4°C).Temperature
Mount Washington in September experiences a gentle temperature dip, with average high-temperatures reducing from 85.8°F (29.9°C) in August to a still warm 79.5°F (26.4°C). In Mount Washington, the September nights cool down to an average low of 59.9°F (15.5°C).Humidity
August through October, with an average relative humidity of 74%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 10.9 days and accumulates 1.38" (35mm) of precipitation.Snowfall
In Mount Washington, snow does not fall in May through October.Daylight
In Mount Washington, Kentucky, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:12 am and sunset at 8:11 pm. On the last day of September, in Mount Washington, sunrise is at 7:37 am and sunset at 7:26 pm EDT.
Sunshine
In Mount Washington, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Washington, KY
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Mount Washington, 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
Mount Washington, KY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in September
Mount Washington, KY
- Average humidity in September: 74%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in September
Mount Washington, KY
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in September
Mount Washington, KY
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in September
Mount Washington, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Mount Washington, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.3 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
Mount Washington, 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 36min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in September
Mount Washington, KY
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in September
Mount Washington, 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
Mount Washington, 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 28).
Average visibility in September
Mount Washington, KY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
