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
September is characterized by a slight reduction in average high-temperature, easing from a warm 81°F (27.2°C) in August to a still moderately hot 74.7°F (23.7°C). Throughout the month of September, West Leechburg reports a steady low-temperature average of 54.3°F (12.4°C).Humidity
In West Leechburg, the average relative humidity in September is 79%.Rainfall
In West Leechburg, Pennsylvania, during September, the rain falls for 11.3 days and regularly aggregates up to 1.34" (34mm) of precipitation. In West Leechburg, during the entire year, the rain falls for 147.1 days and collects up to 18.54" (471mm) of precipitation.Snowfall
June through September are months without snowfall in West Leechburg.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:01 pm EDT.
Sunshine
The average sunshine in September in West Leechburg is 8.5h.UV index
In West Leechburg, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for West Leechburg in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does West Leechburg have in September?
When are sunrise and sunset in September?
How many hours of sunshine does West Leechburg have in September?
What is the UV index intensity in September?
Average temperature in September
West Leechburg, PA
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
West Leechburg, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
West Leechburg, PA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
West Leechburg, 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, July and August (77%).
Average rainfall in September
West Leechburg, PA
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in September
West Leechburg, PA
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (17.6 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in September
West Leechburg, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Leechburg, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Leechburg, PA
- Average daylight in September: 12h and 3min
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 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
West Leechburg, PA
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (10 days).
Average UV index in September
West Leechburg, 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
West Leechburg, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
West Leechburg, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
West Leechburg, Pennsylvania, USA
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