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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 85.5°F (29.7°C) to a still moderately hot 79°F (26.1°C). In Grassy Creek, an average temperature of 57.7°F (14.3°C) is noted during September nights.Humidity
In Grassy Creek, the average relative humidity in September is 76%.Rainfall
The months with the least rainfall are September and November Rain falls for 12.8 days and accumulates 1.89" (48mm) of rain.Snowfall
In Grassy Creek, Kentucky, snow does not fall in May through September.Daylight
The average length of the day in September in Grassy Creek, Kentucky, is 12h and 25min.On the first day of September, sunrise is at 7:03 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine in Grassy Creek, Kentucky, is 8.2h.UV index
In Grassy Creek, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the usual temperature for Grassy Creek in September?
What is the average humidity in September in Grassy Creek?
What is the driest month in Grassy Creek?
How many days does it rain in September in Grassy Creek?
When it does not snow in Grassy Creek?
Does it snow in Grassy Creek in September?
What is the average length of the day in September in Grassy Creek?
When are sunrise and sunset in September in Grassy Creek?
How long on average sun shines in September in Grassy Creek?
What is the UV index reading in September in Grassy Creek?
Average temperature in September
Grassy Creek, KY
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Grassy Creek, 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 (29.97"Hg).
Average wind speed in September
Grassy Creek, KY
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Grassy Creek, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are June, August and November (75%).
Average rainfall in September
Grassy Creek, KY
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is February (2.99").
The driest months (with the least rainfall) are September and November (1.89").
Average rainfall days in September
Grassy Creek, KY
- Average rainfall days in September: 12.8 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Grassy Creek, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Grassy Creek, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grassy Creek, 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 August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Grassy Creek, KY
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Grassy Creek, 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 and December (UV index 2).
Average cloud cover in September
Grassy Creek, KY
- Average cloud cover in September: 35
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Grassy Creek, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Grassy Creek, Kentucky, USA
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