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 start of September signals a gentle decrease in the average high-temperature, transitioning from 80.6°F (27°C) in August to a still warm 74.8°F (23.8°C). September nights in Oley experience a consistent temperature drop to a refreshing 56.3°F (13.5°C).Humidity
The average relative humidity in September in Oley is 79%.Rainfall
In Oley, in September, during 9.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Oley, during the entire year, the rain falls for 129 days and collects up to 13.5" (343mm) of precipitation.Snowfall
June through October are months without snowfall in Oley, Pennsylvania.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of September, in Oley, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In Oley, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What are the temperatures in Oley in September?
What is the average humidity in September in Oley?
How many days does it rain in September in Oley?
When it does not snow in Oley?
What is the average length of the day in September in Oley?
When are sunrise and sunset in September in Oley?
How many hours of sunshine does Oley have in September?
What is the UV index intensity in September in Oley?
Average temperature in September
Oley, PA
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Oley, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Oley, PA
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Oley, PA
- Average humidity in September: 79%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Oley, PA
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in September
Oley, PA
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Oley, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Oley, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Oley, 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 18min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Oley, PA
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Oley, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (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
Oley, PA
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Oley, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Oley, Pennsylvania, USA
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