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
In the transition to September, Oliver Mills observes a minor drop in the average high-temperature, shifting from a moderately hot 78.3°F (25.7°C) in August to an agreeable 71.4°F (21.9°C). Oliver Mills experiences an average temperature drop to a fresh 51.6°F (10.9°C) during September nights.Humidity
The average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 9.9 days and accumulates 0.71" (18mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:30 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In Oliver Mills, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Oliver Mills is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Oliver Mills in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in Oliver Mills in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Oliver Mills have in September?
What is the UV index reading in September?
Average temperature in September
Oliver Mills, PA
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Oliver Mills, PA
- Average pressure in September: 30.07"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Oliver Mills, PA
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Oliver Mills, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Oliver Mills, PA
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
Oliver Mills, PA
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Oliver Mills, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oliver Mills, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oliver Mills, 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 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in September
Oliver Mills, PA
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in September
Oliver Mills, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Oliver Mills, PA
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Oliver Mills, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Oliver Mills, Pennsylvania, USA
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