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
As West Lebanon, Pennsylvania, enters September, the average high-temperature subtly lowers from the a warm 79.7°F (26.5°C) of August to a pleasant 72.9°F (22.7°C). Throughout September, the temperature in West Lebanon, Pennsylvania, tends to fall to a consistent average low of 52.9°F (11.6°C).Humidity
In September, the average relative humidity in West Lebanon is 79%.Rainfall
In West Lebanon, Pennsylvania, in September, it is raining for 12.7 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 162.4 rainfall days, and 23.43" (595mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September in West Lebanon, sunrise is at 6:45 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:00 pm EDT.
Sunshine
In September, the average sunshine in West Lebanon, Pennsylvania, is 8.4h.UV index
In West Lebanon, 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: During September, 3 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Preventing sun damage is advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the average September temperature in West Lebanon?
What is the average humidity in September in West Lebanon?
How many days does it rain in September in West Lebanon?
When it does not snow in West Lebanon?
Does it snow in West Lebanon in September?
How many hours of daylight does West Lebanon have in September?
What time are sunrise and sunset in September in West Lebanon?
How many hours of sunshine does West Lebanon have in September?
What is the UV index intensity in September in West Lebanon?
Average temperature in September
West Lebanon, PA
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
West Lebanon, 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 Lebanon, PA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
West Lebanon, PA
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in September
West Lebanon, PA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in September
West Lebanon, PA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
West Lebanon, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Lebanon, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 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 Lebanon, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
West Lebanon, PA
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January and February (7.8 days).
Average UV index in September
West Lebanon, 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
West Lebanon, PA
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
West Lebanon, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
West Lebanon, Pennsylvania, USA
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