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
With the onset of September, New Bethlehem's average high-temperature slightly adjusts, moderately receding from August's warm 79°F (26.1°C) to a pleasant 72.5°F (22.5°C). Nighttime temperature dips to a mean of 52.5°F (11.4°C) during September.Humidity
The average relative humidity in September is 80%.Rainfall
In New Bethlehem, in September, it is raining for 13.9 days, with typically 1.97" (50mm) of accumulated precipitation. In New Bethlehem, during the entire year, the rain falls for 169.8 days and collects up to 27.36" (695mm) of precipitation.Snowfall
In New Bethlehem, snow does not fall in June through September.Daylight
In New Bethlehem, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:44 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 is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 3 in September leads to these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does New Bethlehem have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does New Bethlehem have in September?
How high is the UV index in September?
Average temperature in September
New Bethlehem, PA
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
New Bethlehem, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
New Bethlehem, PA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
New Bethlehem, PA
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
New Bethlehem, PA
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is August (1.69").
Average rainfall days in September
New Bethlehem, PA
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
New Bethlehem, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
New Bethlehem, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Bethlehem, 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 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
New Bethlehem, PA
- Average sunshine days in September: 14 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in September
New Bethlehem, 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
New Bethlehem, PA
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
New Bethlehem, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
New Bethlehem, Pennsylvania, USA
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