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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from 84.2°F (29°C) in August to a still moderately hot 78.3°F (25.7°C). The temperature in Upper Spencer lowers to an average of 58.5°F (14.7°C) during September nights.Humidity
In Upper Spencer, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall in Upper Spencer. Rain falls for 12.5 days and accumulates 2.17" (55mm) of precipitation.Snowfall
In Upper Spencer, Kentucky, snow does not fall in May through September.Daylight
In Upper Spencer, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine in Upper Spencer is 8.2h.UV index
In September, the average daily maximum UV index in Upper Spencer is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the temperature in September in Upper Spencer?
What is the average humidity in September in Upper Spencer?
What is the driest month in Upper Spencer?
How much does it rain in Upper Spencer in September?
When it does not snow in Upper Spencer?
Does it snow in Upper Spencer in September?
How many hours of daylight does Upper Spencer have in September?
When are sunrise and sunset in September in Upper Spencer?
How long on average sun shines in September in Upper Spencer?
What is the UV index reading in September in Upper Spencer?
Average temperature in September
Upper Spencer, KY
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Upper Spencer, KY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Upper Spencer, KY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Upper Spencer, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Upper Spencer, KY
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Upper Spencer, KY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Upper Spencer, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Upper Spencer, 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Upper Spencer, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Upper Spencer, KY
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Upper Spencer, 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, November and December (UV index 2).
Average cloud cover in September
Upper Spencer, KY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Upper Spencer, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Upper Spencer, Kentucky, USA
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