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
The average high-temperature slightly decreases in September, shifting from 85.1°F (29.5°C) in August to a still moderately hot 79°F (26.1°C). Dunnville temperatures generally rest at a low of 59.4°F (15.2°C) during the September nights.Humidity
April, June, August through November, with an average relative humidity of 76%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 2.44" (62mm) of precipitation.Snowfall
In Dunnville, Kentucky, 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 8:08 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:24 pm EDT.
Sunshine
In Dunnville, the average sunshine in September is 8.1h.UV index
In Dunnville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What are the least humid months in Dunnville?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow in Dunnville?
Does it snow in September?
How many hours of daylight does Dunnville have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Dunnville, KY
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Dunnville, 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
Dunnville, KY
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Dunnville, 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 April, June, August, September, October and November (76%).
Average rainfall in September
Dunnville, KY
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in September
Dunnville, KY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in September
Dunnville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dunnville, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 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
Dunnville, KY
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Dunnville, KY
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in September
Dunnville, 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 and December (UV index 2).
Average cloud cover in September
Dunnville, KY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Dunnville, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Dunnville, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location