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 advent of September brings a slight shift in average high-temperature, moving from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). Eighty Four records an average nighttime low-temperature of 55.2°F (12.9°C) throughout September.Humidity
In September, the average relative humidity is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.4 days and typically collects 0.55" (14mm) of precipitation.Snowfall
In Eighty Four, snow does not fall in June through October.Daylight
In September, the average length of the day in Eighty Four is 12h and 26min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Eighty Four, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the temperature in September in Eighty Four?
What is the average humidity in September in Eighty Four?
What is the driest month in Eighty Four?
How much does it rain in Eighty Four in September?
When it does not snow in Eighty Four?
How many hours of daylight does Eighty Four have in September?
When are sunrise and sunset in September in Eighty Four?
How many hours of sunshine does Eighty Four have in September?
What is the UV index reading in September in Eighty Four?
Average temperature in September
Eighty Four, PA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Eighty Four, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Eighty Four, PA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Eighty Four, PA
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Eighty Four, PA
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is July (1.06").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in September
Eighty Four, PA
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Eighty Four, PA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.79").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Eighty Four, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Eighty Four, PA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Eighty Four, PA
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Eighty Four, PA
- 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, March, November and December (UV index 2).
Average cloud cover in September
Eighty Four, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Eighty Four, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Eighty Four, Pennsylvania, USA
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