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 marks a gentle change in average high-temperature, declining from August's 80.2°F (26.8°C) to a still warm 73.6°F (23.1°C). Throughout September, an average low-temperature of 52.9°F (11.6°C) is expected in Swengel.Humidity
In September, the average relative humidity is 79%.Rainfall
In Swengel, in September, it is raining for 12.3 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Swengel, Pennsylvania, there are 165.6 rainfall days, and 33.54" (852mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Swengel.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:40 pm. On the last day of September, in Swengel, sunrise is at 7:04 am and sunset at 6:51 pm EDT.
Sunshine
The average sunshine in September in Swengel, Pennsylvania, is 8.6h.UV index
In Swengel, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the average September temperature in Swengel?
What is the average humidity in September in Swengel?
How much does it rain in Swengel in September?
When it does not snow in Swengel?
Does it snow in Swengel in September?
How many hours of daylight does Swengel have in September?
When are sunrise and sunset in September in Swengel?
How long on average sun shines in September in Swengel?
What is the UV index reading in September in Swengel?
Average temperature in September
Swengel, PA
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 52.9°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 (19.9°F).
Average pressure in September
Swengel, PA
- Average pressure in September: 30.07"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Swengel, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Swengel, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in September
Swengel, PA
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Swengel, PA
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Swengel, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Swengel, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Swengel, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Swengel, PA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Swengel, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Swengel, PA
- Average cloud cover in September: 39
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Swengel, 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, February, March, May, June, July, August, September, October and December (5mi).
Swengel, Pennsylvania, USA
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