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
In Gradyville, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 84.9°F (29.4°C) to a still warm 79°F (26.1°C). Gradyville reports an average low-temperature of 59.5°F (15.3°C) during the nights of September.Humidity
In Gradyville, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 14 days and accumulates 2.36" (60mm) of precipitation.Snowfall
In Gradyville, 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 6:13 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:26 pm CDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Gradyville, Kentucky, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day 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
Gradyville, 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: 59.5°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Gradyville, 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
Gradyville, KY
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Gradyville, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Gradyville, KY
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in September
Gradyville, KY
- Average rainfall days in September: 14 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Gradyville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Gradyville, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.4 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
Gradyville, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in September
Gradyville, KY
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Gradyville, 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
Gradyville, KY
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Gradyville, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Gradyville, Kentucky, USA
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