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 brings a slight decrease in the average high-temperature, shifting from a warm 81.5°F (27.5°C) in August to a still moderately hot 75.7°F (24.3°C). Throughout September, Lake Lynn anticipates an average low-temperature of 54.5°F (12.5°C).Humidity
In Lake Lynn, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 15.2 days and accumulates 2.17" (55mm) of precipitation.Snowfall
June through September are months without snowfall in Lake Lynn.Daylight
In September, the average length of the day in Lake Lynn is 12h and 26min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:50 pm. On the last day of September, in Lake Lynn, sunrise is at 7:15 am and sunset at 7:02 pm EDT.
Sunshine
In Lake Lynn, Pennsylvania, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September in Lake Lynn is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are September temperatures in Lake Lynn?
What is the average humidity in September in Lake Lynn?
What is the driest month in Lake Lynn?
How much does it rain in Lake Lynn in September?
When it does not snow in Lake Lynn?
Does it snow in Lake Lynn in September?
What is the average length of the day in September in Lake Lynn?
What time are sunrise and sunset in September in Lake Lynn?
How long on average sun shines in September in Lake Lynn?
How high is the UV index in September in Lake Lynn?
Average temperature in September
Lake Lynn, PA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Lake Lynn, 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
Lake Lynn, PA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Lake Lynn, PA
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in September
Lake Lynn, PA
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Lake Lynn, PA
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (11.1 days).
Average snowfall in September
Lake Lynn, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lake Lynn, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lake Lynn, PA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Lake Lynn, PA
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.7 days).
Average UV index in September
Lake Lynn, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Lake Lynn, 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 35).
Average visibility in September
Lake Lynn, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Lake Lynn, Pennsylvania, USA
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