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
Tresslarville's weather subtly changes with the onset of September, barely falling from a warm 77.5°F (25.3°C) in August to a pleasant 71.1°F (21.7°C). In the month of September, Tresslarville records a consistent average low-temperature of 51.4°F (10.8°C).Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall in Tresslarville, Pennsylvania. Rain falls for 12.5 days and accumulates 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 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, sunrise is at 6:58 am and sunset at 6:44 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September in Tresslarville?
When it does not snow?
Does it snow in September?
How many hours of daylight does Tresslarville have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
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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