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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 78.8°F (26°C) to an agreeable 72.3°F (22.4°C). September witnesses an average nighttime temperature of 53.1°F (11.7°C) in Indian Mountain Lake, Pennsylvania.Humidity
In Indian Mountain Lake, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 1.46" (37mm) of precipitation.Snowfall
In Indian Mountain Lake, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:29 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:45 pm EDT.
Sunshine
In Indian Mountain Lake, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Indian Mountain Lake is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Act with care - The need to guard against sun damage is communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the temperature in September in Indian Mountain Lake?
What is the average humidity in September in Indian Mountain Lake?
What is the driest month in Indian Mountain Lake?
How much does it rain in Indian Mountain Lake in September?
When it does not snow in Indian Mountain Lake?
Does it snow in Indian Mountain Lake in September?
What is the average length of the day in September in Indian Mountain Lake?
When is the sunrise / sunset in September in Indian Mountain Lake?
How many hours of sunshine does Indian Mountain Lake have in September?
What is the UV index intensity in September in Indian Mountain Lake?
Average temperature in September
Indian Mountain Lake, PA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Indian Mountain Lake, 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
Indian Mountain Lake, PA
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Indian Mountain Lake, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Indian Mountain Lake, PA
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Indian Mountain Lake, PA
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Indian Mountain Lake, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Indian Mountain Lake, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Indian Mountain Lake, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Indian Mountain Lake, PA
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Indian Mountain Lake, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Indian Mountain Lake, PA
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Indian Mountain Lake, 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).
Indian Mountain Lake, Pennsylvania, USA
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