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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 80.6°F (27°C) to a still warm 74.8°F (23.8°C). An average temperature of 56.3°F (13.5°C) is recorded during the nights in September.Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 9.8 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 129 rainfall days, and 13.5" (343mm) of precipitation is accumulated.Snowfall
In Oley, snow does not fall in June through October.Daylight
In Oley, the average length of the day in September 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, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Oley have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Oley have in September?
What is the UV index intensity in September?
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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