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 ushers in a minor alteration in Aspers's climate, with the average high-temperature moving from August's moderately hot 81.3°F (27.4°C) to a still warm 74.8°F (23.8°C). During the nights in September, Aspers observes an average low-temperature of 56.3°F (13.5°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Aspers, Pennsylvania, in September, it is raining for 10.5 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 125 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:37 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:52 pm EDT.
Sunshine
In Aspers, the average sunshine in September is 8.9h.UV index
In Aspers, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September in Aspers?
When it does not snow?
Does it snow in September?
How many hours of daylight does Aspers have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Aspers have in September?
What is the UV index intensity in September?
Average temperature in September
Aspers, PA
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in September
Aspers, PA
- Average pressure in September: 30.06"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
Aspers, PA
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Aspers, PA
- Average humidity in September: 79%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in September
Aspers, PA
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in September
Aspers, PA
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5 days).
Average snowfall in September
Aspers, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Aspers, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Aspers, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Aspers, PA
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is August (13.6 days).
Average UV index in September
Aspers, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Aspers, PA
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Aspers, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Aspers, Pennsylvania, USA
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