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 slight decrease in temperature, down from a warm 77.5°F (25.3°C) in August to a pleasant 70.9°F (21.6°C). An average low-temperature of 50.4°F (10.2°C) is observed during September nights.Humidity
The average relative humidity in September is 80%.Rainfall
The months with the least rainfall in Mayfield are January and September Rain falls for 10.5 days and accumulates 1.65" (42mm) of rain.Snowfall
In Mayfield, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:45 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Mayfield, Pennsylvania, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the usual temperature for Mayfield in September?
What is the average humidity in September in Mayfield?
What is the driest month in Mayfield?
How much does it rain in Mayfield in September?
When it does not snow in Mayfield?
Does it snow in Mayfield in September?
What is the average length of the day in September in Mayfield?
When are sunrise and sunset in September in Mayfield?
How long on average sun shines in September in Mayfield?
How high is the UV index in September in Mayfield?
Average temperature in September
Mayfield, PA
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Mayfield, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Mayfield, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Mayfield, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in September
Mayfield, PA
- Average rainfall in September: 1.65"
The wettest months (with the highest rainfall) are May and August (2.48").
The driest months (with the least rainfall) are January and September (1.65").
Average rainfall days in September
Mayfield, PA
- Average rainfall days in September: 10.5 days
The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Mayfield, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mayfield, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mayfield, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Mayfield, PA
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (9.6 days).
Average UV index in September
Mayfield, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Mayfield, PA
- Average cloud cover in September: 45
The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Mayfield, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Mayfield, Pennsylvania, USA
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