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
Sunderlinville experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 77°F (25°C) in August to a pleasant 69.8°F (21°C). September sees the temperature falling to a mean low of 49.6°F (9.8°C).Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 2.17" (55mm) of precipitation.Snowfall
June through September are months without snowfall in Sunderlinville.Daylight
In Sunderlinville, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:53 pm EDT.
Sunshine
In Sunderlinville, the average sunshine in September is 8.3h.UV index
In Sunderlinville, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September in Sunderlinville?
How many hours of sunshine does Sunderlinville have in September?
How high is the UV index in September?
Average temperature in September
Sunderlinville, PA
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Sunderlinville, 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
Sunderlinville, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Sunderlinville, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in September
Sunderlinville, PA
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Sunderlinville, PA
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Sunderlinville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sunderlinville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sunderlinville, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).
Average sunshine days in September
Sunderlinville, PA
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in September
Sunderlinville, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Sunderlinville, PA
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in September
Sunderlinville, PA
- Average visibility in September: 4mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Sunderlinville, Pennsylvania, USA
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