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
The transition into September subtly indicates a reduction in the average high-temperature, down to a pleasant 69.8°F (21°C) from August's moderately hot 77°F (25°C). September witnesses an average nighttime temperature of 49.6°F (9.8°C).Humidity
In September, the average relative humidity is 81%.Rainfall
September is the month with the least rainfall in Waltrous. Rain falls for 14.2 days and accumulates 2.17" (55mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Waltrous is 12h and 28min.On the first day of September, sunrise is at 6:36 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:53 pm EDT.
Sunshine
The average sunshine in September in Waltrous is 8.3h.UV index
In September, the average daily maximum UV index in Waltrous is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the usual temperature for Waltrous in September?
What is the average humidity in September in Waltrous?
What is the driest month in Waltrous?
How much does it rain in Waltrous in September?
When it does not snow in Waltrous?
Does it snow in Waltrous in September?
How many hours of daylight does Waltrous have in September?
When are sunrise and sunset in September in Waltrous?
How long on average sun shines in September in Waltrous?
How high is the UV index in September in Waltrous?
Average temperature in September
Waltrous, PA
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Waltrous, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Waltrous, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Waltrous, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in September
Waltrous, PA
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Waltrous, PA
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Waltrous, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Waltrous, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Waltrous, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
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 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).
Average sunshine days in September
Waltrous, PA
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in September
Waltrous, 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
Waltrous, PA
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in September
Waltrous, PA
- Average visibility in September: 4mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Waltrous, Pennsylvania, USA
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