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 Lawson Heights, entering September brings a subtle temperature decrement, reducing from August's 79.7°F (26.5°C) to a still warm 73.8°F (23.2°C). During the month of September, an average temperature of 53.8°F (12.1°C) is noted during the nights in Lawson Heights.Humidity
In Lawson Heights, the average relative humidity in September is 79%.Rainfall
In Lawson Heights, in September, during 14.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Lawson Heights, during the entire year, the rain falls for 173.8 days and collects up to 25.55" (649mm) of precipitation.Snowfall
In Lawson Heights, snow does not fall in May through September.Daylight
In September, the average length of the day in Lawson Heights is 12h and 27min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:48 pm. On the last day of September, in Lawson Heights, Pennsylvania, sunrise is at 7:13 am and sunset at 7:00 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September in Lawson Heights, Pennsylvania, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the average September temperature in Lawson Heights?
What is the average humidity in September in Lawson Heights?
How much does it rain in Lawson Heights in September?
When it does not snow in Lawson Heights?
Does it snow in Lawson Heights in September?
How many hours of daylight does Lawson Heights have in September?
When is the sunrise / sunset in September in Lawson Heights?
How long on average sun shines in September in Lawson Heights?
What is the UV index intensity in September in Lawson Heights?
Average temperature in September
Lawson Heights, PA
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Lawson Heights, 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
Lawson Heights, PA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Lawson Heights, 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, June, July and August (78%).
Average rainfall in September
Lawson Heights, PA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in September
Lawson Heights, PA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in September
Lawson Heights, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lawson Heights, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lawson Heights, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Lawson Heights, PA
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (14.4 days).
The month with the least sunshine days is January (7 days).
Average UV index in September
Lawson Heights, 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
Lawson Heights, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Lawson Heights, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).
Lawson Heights, Pennsylvania, USA
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