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 coincides with a soft drop in the average high-temperature, subtly decreasing from August's 82.9°F (28.3°C) to a still moderately hot 77.5°F (25.3°C). Dunham's September nights cool down significantly from the day's heat, to an average low-temperature of 55.8°F (13.2°C).Humidity
In Dunham, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 16.9 days and accumulates 2.48" (63mm) of precipitation.Snowfall
In Dunham, snow does not fall in June through September.Daylight
In Dunham, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Dunham, Kentucky, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month in Dunham?
How many days does it rain in September in Dunham?
When it does not snow?
Does it snow in Dunham in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Dunham have in September?
What is the UV index intensity in September?
Average temperature in September
Dunham, KY
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Dunham, KY
- Average pressure in September: 30.06"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Dunham, KY
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Dunham, KY
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall in September
Dunham, KY
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in September
Dunham, KY
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Dunham, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dunham, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dunham, 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 months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Dunham, KY
- Average sunshine days in September: 11 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in September
Dunham, KY
- Average UV index in September: 4
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
Dunham, KY
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Dunham, KY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Dunham, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location