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 signals a slight drop in average high-temperature, sliding from August's moderately hot 76.6°F (24.8°C) to an agreeable 70.5°F (21.4°C). Throughout the month of September, Indian Lake witnesses an average temperature of 52°F (11.1°C).Humidity
In September, the average relative humidity is 82%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 162.4 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
In Indian Lake, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:43 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:58 pm EDT.
Sunshine
The average sunshine in September is 7.8h.UV index
In Indian Lake, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Indian Lake have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Indian Lake, PA
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Indian Lake, 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
Indian Lake, PA
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Indian Lake, PA
- Average humidity in September: 82%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, June and July (80%).
Average rainfall in September
Indian Lake, PA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
Indian Lake, PA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
Indian Lake, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Indian Lake, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Indian Lake, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Indian Lake, PA
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in September
Indian Lake, PA
- Average UV index in September: 3
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 Lake, PA
- Average cloud cover in September: 48
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Indian Lake, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Indian Lake, Pennsylvania, USA
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