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
Loretto records a mild change in average high-temperature during September, easing from a warm 78.3°F (25.7°C) in August to an agreeable 71.6°F (22°C). The low-temperature averages to a fresh 52.5°F (11.4°C) during the nights of September.Humidity
In Loretto, the average relative humidity in September is 80%.Rainfall
In Loretto, in September, it is raining for 15.1 days, with typically 2.32" (59mm) of accumulated precipitation. In Loretto, during the entire year, the rain falls for 170 days and collects up to 33.46" (850mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:57 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Loretto, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during September translates into the following guidance:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun is at its strongest around midday, find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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 in Loretto?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Loretto have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Loretto have in September?
How high is the UV index in September?
Average temperature in September
Loretto, PA
- Average high temperature in September: 71.6°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 (30.4°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Loretto, 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
Loretto, PA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Loretto, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in September
Loretto, PA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in September
Loretto, PA
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Loretto, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Loretto, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Loretto, 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 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Loretto, PA
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (13.5 days).
The months with the least sunshine days are January and February (7.7 days).
Average UV index in September
Loretto, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Loretto, PA
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Loretto, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Loretto, Pennsylvania, USA
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