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 brings a slight decrease in temperature, down from 81.9°F (27.7°C) in August to a still warm 74.8°F (23.8°C). During September, Shippingport records a consistent average nighttime temperature of 54.7°F (12.6°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Shippingport, in September, it is raining for 14.6 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 169.1 rainfall days, and 31.46" (799mm) of precipitation is accumulated.Snowfall
In Shippingport, Pennsylvania, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:53 pm. On the last day of September, in Shippingport, sunrise is at 7:17 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Shippingport is 4. 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 UV index of 4 turns into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the average September temperature in Shippingport?
What is the average humidity in September in Shippingport?
How much does it rain in Shippingport in September?
When it does not snow in Shippingport?
Does it snow in Shippingport in September?
What is the average length of the day in September in Shippingport?
What time are sunrise and sunset in September in Shippingport?
How long on average sun shines in September in Shippingport?
What is the UV index reading in September in Shippingport?
Average temperature in September
Shippingport, PA
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Shippingport, PA
- Average pressure in September: 30.05"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
Shippingport, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Shippingport, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Shippingport, PA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is July (3.43").
The driest months (with the least rainfall) are January and November (1.93").
Average rainfall days in September
Shippingport, PA
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Shippingport, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Shippingport, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shippingport, PA
- Average daylight in September: 12h and 3min
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 18min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Shippingport, PA
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (9 days).
Average UV index in September
Shippingport, PA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Shippingport, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Shippingport, 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 and February (4mi).
Shippingport, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
