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
The move into September indicates a slight reduction in the average high-temperature, down from August's warm 82.2°F (27.9°C) to a still moderately hot 75.7°F (24.3°C). Lawrence experiences an average low-temperature of 55.6°F (13.1°C) in the month of September.Humidity
In September, the average relative humidity is 77%.Rainfall
In Lawrence, during September, the rain falls for 14.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Lawrence, during the entire year, the rain falls for 187.9 days and collects up to 35.59" (904mm) of precipitation.Snowfall
In Lawrence, snow does not fall in June through September.Daylight
In Lawrence, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
In Lawrence, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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 many days does it rain in September?
When it does not snow in Lawrence?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Lawrence, PA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Lawrence, PA
- Average pressure in September: 30.05"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
Lawrence, PA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Lawrence, PA
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in September
Lawrence, PA
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Lawrence, PA
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Lawrence, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lawrence, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lawrence, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Lawrence, PA
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.7 days).
Average UV index in September
Lawrence, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Lawrence, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Lawrence, PA
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
Lawrence, Pennsylvania, USA
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