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 witnesses a gentle descent in average high-temperature, descending from August's 81.1°F (27.3°C) to a still moderately hot 74.5°F (23.6°C). The average low-temperature, in September, is a cool 55.2°F (12.9°C).Humidity
The average relative humidity in September in Werleys Corner is 78%.Rainfall
September is the month with the least rainfall in Werleys Corner, Pennsylvania. Rain falls for 11.8 days and accumulates 1.77" (45mm) of precipitation.Snowfall
June through September are months without snowfall in Werleys Corner, Pennsylvania.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:30 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In Werleys Corner, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are September temperatures in Werleys Corner?
What is the average humidity in September in Werleys Corner?
What is the driest month in Werleys Corner?
How much does it rain in Werleys Corner in September?
When it does not snow in Werleys Corner?
Does it snow in Werleys Corner in September?
What is the average length of the day in September in Werleys Corner?
When are sunrise and sunset in September in Werleys Corner?
How many hours of sunshine does Werleys Corner have in September?
How high is the UV index in September in Werleys Corner?
Average temperature in September
Werleys Corner, PA
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Werleys Corner, PA
- Average pressure in September: 30.06"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
Werleys Corner, PA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Werleys Corner, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in September
Werleys Corner, PA
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Werleys Corner, PA
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in September
Werleys Corner, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Werleys Corner, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Werleys Corner, PA
- Average daylight in September: 12h and 3min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Werleys Corner, PA
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in September
Werleys Corner, PA
- Average UV index in September: 4
The months with the highest UV index are 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
Werleys Corner, PA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Werleys Corner, PA
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Werleys Corner, Pennsylvania, USA
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