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 onset introduces a mild reduction in the average high-temperature, from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). In Gladden, an average nighttime temperature of 55.6°F (13.1°C) is expected during September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Gladden, during September, the rain falls for 14.5 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Gladden, during the entire year, the rain falls for 170.6 days and collects up to 25.79" (655mm) of precipitation.Snowfall
In Gladden, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:52 pm. On the last day of September, in Gladden, sunrise is at 7:16 am and sunset at 7:04 pm EDT.
Sunshine
In Gladden, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Defending against sun damage is advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gladden in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Gladden?
Does it snow in September?
How many hours of daylight does Gladden have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September in Gladden?
Average temperature in September
Gladden, PA
- Average high temperature in September: 75.4°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 (33.4°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Gladden, PA
- Average pressure in September: 30.05"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
Gladden, PA
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Gladden, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in September
Gladden, PA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in September
Gladden, PA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Gladden, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gladden, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gladden, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Gladden, PA
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Gladden, 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
Gladden, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Gladden, PA
- Average visibility in September: 5mi
The months with the highest visibility are April, August and November (6mi).
The month with the lowest visibility is February (4mi).
Gladden, Pennsylvania, USA
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