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 76.6°F (24.8°C) in August to an agreeable 70°F (21.1°C). During September, the average low-temperature is recorded at a chilly 49.5°F (9.7°C).Humidity
In Starrucca, the average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in Starrucca. Rain falls for 8.1 days and accumulates 0.55" (14mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:44 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Starrucca, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 3 in September transforms into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month in Starrucca?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Starrucca have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Starrucca, PA
- Average high temperature in September: 70°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 (27.9°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in September
Starrucca, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Starrucca, PA
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Starrucca, PA
- Average humidity in September: 81%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in September
Starrucca, PA
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in September
Starrucca, PA
- Average rainfall days in September: 8.1 days
The months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in September
Starrucca, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Starrucca, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Starrucca, 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 February and December (Average sunshine: 2h and 42min).
Average sunshine days in September
Starrucca, PA
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in September
Starrucca, 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, November and December (UV index 1).
Average cloud cover in September
Starrucca, PA
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Starrucca, PA
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are August and September (4mi).
Starrucca, Pennsylvania, USA
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