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
A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 81°F (27.2°C) in August to a still warm 74.3°F (23.5°C). An average low-temperature of 54.7°F (12.6°C) is observed during the September nights.Humidity
The average relative humidity in September is 79%.Rainfall
In Koppel, Pennsylvania, in September, during 14.4 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, in Koppel, there are 168.9 rainfall days, and 24.25" (616mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Koppel, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:48 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:04 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index in Koppel is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Koppel in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Koppel have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Koppel, PA
- Average high temperature in September: 74.3°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 (31.8°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 (19.4°F).
Average pressure in September
Koppel, 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
Koppel, PA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Koppel, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Koppel, PA
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in September
Koppel, PA
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Koppel, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Koppel, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Koppel, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Koppel, PA
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in September
Koppel, 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
Koppel, PA
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Koppel, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Koppel, Pennsylvania, USA
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