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
In the transition to September, Saint Michael observes a minor drop in the average high-temperature, shifting from a warm 77.9°F (25.5°C) in August to an agreeable 72°F (22.2°C). In September, the average low-temperature records at a fresh 52.7°F (11.5°C) during the nights.Humidity
In Saint Michael, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 9.4 days. Throughout September, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 128.8 rainfall days, and 22.95" (583mm) of precipitation is accumulated.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 6:43 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:58 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Saint Michael, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Michael in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Saint Michael in September?
How many hours of daylight does Saint Michael have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Saint Michael have in September?
How high is the UV index in September?
Average temperature in September
Saint Michael, PA
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Saint Michael, 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
Saint Michael, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Saint Michael, 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 and July (78%).
Average rainfall in September
Saint Michael, PA
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is August (1.1").
Average rainfall days in September
Saint Michael, PA
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is November (7 days).
Average snowfall in September
Saint Michael, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Michael, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Michael, 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 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Saint Michael, PA
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in September
Saint Michael, 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, February, March, October, November and December (UV index 2).
Average cloud cover in September
Saint Michael, PA
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Saint Michael, 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).
Saint Michael, Pennsylvania, USA
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