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's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 77.9°F (25.5°C) in August to a pleasant 71.6°F (22°C). During September, the average low-temperature is a cool 52.5°F (11.4°C).Humidity
The average relative humidity in September is 81%.Rainfall
In Davidsville, during September, the rain falls for 15.1 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 170.8 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
In Davidsville, snow does not fall in June through September.Daylight
In Davidsville, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:59 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Davidsville?
How many days does it rain in September?
When it does not snow in Davidsville?
Does it snow in September?
How many hours of daylight does Davidsville have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Davidsville have in September?
How high is the UV index in September?
Average temperature in September
Davidsville, PA
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Davidsville, PA
- Average pressure in September: 30.06"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
Davidsville, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Davidsville, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Davidsville, PA
- Average rainfall in September: 2.09"
The wettest months (with the highest rainfall) are April and July (3.11").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in September
Davidsville, PA
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (19.9 days).
The months with the least rainy days are February and November (8.9 days).
Average snowfall in September
Davidsville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Davidsville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Davidsville, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Davidsville, PA
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Davidsville, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Davidsville, PA
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Davidsville, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Davidsville, Pennsylvania, USA
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