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
With the beginning of September, the average high-temperature shows a small decrease, transitioning from 79.7°F (26.5°C) in August to a still moderately hot 73.8°F (23.2°C). An average low-temperature of 53.8°F (12.1°C) is observed during September nights.Humidity
In Loyalhanna, the average relative humidity in September is 79%.Rainfall
In Loyalhanna, in September, it is raining for 14.5 days, with typically 1.73" (44mm) of accumulated precipitation. In Loyalhanna, during the entire year, the rain falls for 173.8 days and collects up to 25.55" (649mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Loyalhanna, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:45 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:00 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise prevention - Warding off sunburn is urged. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Loyalhanna?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Loyalhanna, PA
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Loyalhanna, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Loyalhanna, PA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Loyalhanna, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in September
Loyalhanna, PA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in September
Loyalhanna, PA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in September
Loyalhanna, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Loyalhanna, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Loyalhanna, PA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Loyalhanna, PA
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (14.4 days).
The month with the least sunshine days is January (7 days).
Average UV index in September
Loyalhanna, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Loyalhanna, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Loyalhanna, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).
Loyalhanna, Pennsylvania, USA
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