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 is characterized by a mild reduction in the average high-temperature, from a warm 79°F (26.1°C) in August to a pleasant 72.3°F (22.4°C). In September, the temperature drops to an average of 51.8°F (11°C) at night.Humidity
In North Mountain, the average relative humidity in September is 80%.Rainfall
In North Mountain, during September, the rain falls for 13.2 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 168 rainfall days, and 27.32" (694mm) of precipitation is accumulated.Snowfall
In North Mountain, snow does not fall in June through September.Daylight
In September, the average length of the day in North Mountain is 12h and 28min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:49 pm EDT.
Sunshine
In North Mountain, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 in September translates into these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does North Mountain have in September?
When is the sunrise / sunset in September in North Mountain?
How many hours of sunshine does North Mountain have in September?
What is the UV index intensity in September?
Average temperature in September
North Mountain, PA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
North Mountain, PA
- Average pressure in September: 30.07"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
North Mountain, PA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
North Mountain, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
North Mountain, PA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
North Mountain, PA
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
North Mountain, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
North Mountain, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
North Mountain, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
North Mountain, PA
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (10 days).
Average UV index in September
North Mountain, PA
- Average UV index in September: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
North Mountain, PA
- Average cloud cover in September: 40
The months with the most cloud cover are January, February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
North Mountain, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
North Mountain, Pennsylvania, USA
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