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 indicates a minor shift in the average high-temperature, from August's moderately hot 77.5°F (25.3°C) to a pleasant 71.1°F (21.7°C). An average low-temperature of 51.4°F (10.8°C) is common during the nights of September.Humidity
In September, the average relative humidity in Tresslarville, Pennsylvania, is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.97" (50mm) of precipitation.Snowfall
In Tresslarville, snow does not fall in June through September.Daylight
In September, the average length of the day in Tresslarville 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, in Tresslarville, sunrise is at 6:58 am and sunset at 6:44 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September in Tresslarville is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the temperature in September in Tresslarville?
What is the average humidity in September in Tresslarville?
What is the driest month in Tresslarville?
How many days does it rain in September in Tresslarville?
When it does not snow in Tresslarville?
Does it snow in Tresslarville in September?
How many hours of daylight does Tresslarville have in September?
What time are sunrise and sunset in September in Tresslarville?
How many hours of sunshine does Tresslarville have in September?
What is the UV index intensity in September in Tresslarville?
Average temperature in September
Tresslarville, PA
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Tresslarville, 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 (29.94"Hg).
Average wind speed in September
Tresslarville, PA
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are January, February and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Tresslarville, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in September
Tresslarville, PA
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Tresslarville, PA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Tresslarville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tresslarville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tresslarville, 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 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Tresslarville, PA
- Average sunshine days in September: 14.7 days
The months with the most sunshine days are September and November (14.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Tresslarville, 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 and December (UV index 1).
Average cloud cover in September
Tresslarville, PA
- Average cloud cover in September: 44
The months with the most cloud cover are February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Tresslarville, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Tresslarville, Pennsylvania, USA
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