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 a moderately hot 77.5°F (25.3°C) in August to an agreeable 70.7°F (21.5°C). An average temperature of 50.2°F (10.1°C) marks the nights in September.Humidity
The average relative humidity in September is 81%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. In Ellwell, during the entire year, the rain falls for 169.1 days and collects up to 28.74" (730mm) of precipitation.Snowfall
In Ellwell, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:48 pm EDT.
Sunshine
In Ellwell, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Ellwell?
What is the UV index intensity in September?
Average temperature in September
Ellwell, PA
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Ellwell, PA
- Average pressure in September: 30.07"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
Ellwell, PA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Ellwell, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in September
Ellwell, PA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in September
Ellwell, PA
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in September
Ellwell, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ellwell, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ellwell, 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 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Ellwell, PA
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Ellwell, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Ellwell, PA
- Average cloud cover in September: 43
The months with the most cloud cover are January, February and December (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Ellwell, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Ellwell, Pennsylvania, USA
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