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
The advent of September brings a subtle shift in temperature, with the average high moving from a warm 81.3°F (27.4°C) in August to a still moderately hot 75.2°F (24°C). September nights are marked by an average temperature drop to a cool 54.5°F (12.5°C).Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.9 days and typically collects 0.67" (17mm) of precipitation.Snowfall
In Star Junction, snow does not fall in June through September.Daylight
In Star Junction, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm EDT.
Sunshine
In Star Junction, the average sunshine in September is 8.7h.UV index
In Star Junction, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are September temperatures in Star Junction?
What is the average humidity in September in Star Junction?
What is the driest month in Star Junction?
How much does it rain in Star Junction in September?
When it does not snow in Star Junction?
Does it snow in Star Junction in September?
What is the average length of the day in September in Star Junction?
What time are sunrise and sunset in September in Star Junction?
How long on average sun shines in September in Star Junction?
What is the UV index intensity in September in Star Junction?
Average temperature in September
Star Junction, PA
- Average high temperature in September: 75.2°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 (34.2°F).
- Average low temperature in September: 54.5°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 (21.2°F).
Average pressure in September
Star Junction, 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
Star Junction, PA
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Star Junction, 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 (77%).
Average rainfall in September
Star Junction, PA
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Star Junction, PA
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Star Junction, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Star Junction, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Star Junction, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Star Junction, PA
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is January (9.7 days).
Average UV index in September
Star Junction, PA
- Average UV index in September: 4
The month with the highest UV index is 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
Star Junction, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Star Junction, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Star Junction, Pennsylvania, USA
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