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
With the commencement of September, Pierce records a moderate temperature decline, with the average high easing from August's moderately hot 85.1°F (29.5°C) to a still warm 79.2°F (26.2°C). Pierce's temperature lowers to a mean of 59.9°F (15.5°C) during the nights in September.Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.32" (59mm) of precipitation.Snowfall
In Pierce, snow does not fall in May through September.Daylight
In Pierce, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:10 pm. On the last day of September, in Pierce, sunrise is at 6:37 am and sunset at 6:26 pm CDT.
Sunshine
In Pierce, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Pierce is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the temperature in September in Pierce?
What is the average humidity in September in Pierce?
What is the driest month in Pierce?
How many days does it rain in September in Pierce?
When it does not snow in Pierce?
Does it snow in Pierce in September?
How many hours of daylight does Pierce have in September?
When is the sunrise / sunset in September in Pierce?
How long on average sun shines in September in Pierce?
What is the UV index reading in September in Pierce?
Average temperature in September
Pierce, KY
- Average high temperature in September: 79.2°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in September
Pierce, 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
Pierce, KY
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Pierce, 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
Pierce, KY
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in September
Pierce, KY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in September
Pierce, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Pierce, 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
Pierce, 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 month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Pierce, KY
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Pierce, 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
Pierce, 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
Pierce, KY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Pierce, Kentucky, USA
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