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 brings a slight decrease in temperature, down from 80.4°F (26.9°C) in August to a still warm 74.3°F (23.5°C). During September, an average low-temperature of 54°F (12.2°C) is observed.Humidity
In Lenape Heights, the average relative humidity in September is 79%.Rainfall
In Lenape Heights, during September, the rain falls for 14.9 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 182.9 rainfall days, and 34.88" (886mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Lenape Heights, Pennsylvania.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:45 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:01 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Lenape Heights?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in Lenape Heights in September?
How many hours of daylight does Lenape Heights have in September?
What time are sunrise and sunset in September in Lenape Heights?
How many hours of sunshine does Lenape Heights have in September?
How high is the UV index in September?
Average temperature in September
Lenape Heights, PA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Lenape Heights, 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
Lenape Heights, PA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Lenape Heights, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Lenape Heights, PA
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in September
Lenape Heights, PA
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Lenape Heights, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lenape Heights, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lenape Heights, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
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 August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Lenape Heights, PA
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (7 days).
Average UV index in September
Lenape Heights, PA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Lenape Heights, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Lenape Heights, 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).
Lenape Heights, Pennsylvania, USA
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