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 brings a minor shift in the average high-temperature, adjusting from a moderately hot 82.8°F (28.2°C) in August to a still warm 77.2°F (25.1°C). A pronounced dip becomes evident during the nights in September as Spider logs a consistent average temperature of 55.6°F (13.1°C).Humidity
In September, the average relative humidity is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 16.3 days and typically collects 2.48" (63mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:02 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:15 pm EDT.
Sunshine
In Spider, the average sunshine in September is 8.1h.UV index
In Spider, Kentucky, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take precautions - Protection against sunburn is recommended. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Spider?
What is the driest month?
How many days does it rain in September in Spider?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Spider?
When is the sunrise / sunset in September?
How many hours of sunshine does Spider have in September?
What is the UV index intensity in September?
Average temperature in September
Spider, KY
- Average high temperature in September: 77.2°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 (40.1°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Spider, KY
- Average pressure in September: 30.05"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
Spider, KY
- Average wind speed in September: 4.2mph
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
Spider, KY
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Spider, KY
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in September
Spider, KY
- Average rainfall days in September: 16.3 days
The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).
Average snowfall in September
Spider, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Spider, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spider, 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 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Spider, KY
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).
Average UV index in September
Spider, KY
- Average UV index in September: 4
The months with the highest UV index are May, June 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
Spider, KY
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Spider, 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).
Spider, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location