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 heralds a minor drop in average high-temperature, sliding from August's warm 77°F (25°C) to a pleasant 70.3°F (21.3°C). In September, Arnot records an average nighttime temperature of 50.2°F (10.1°C).Humidity
In Arnot, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 156.3 rainfall days, and 29.25" (743mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Arnot.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:51 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Take precautions - Protection against sunburn is recommended. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in Arnot in September?
When it does not snow in Arnot?
Does it snow in September?
How many hours of daylight does Arnot have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Arnot, PA
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°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 (17.2°F).
Average pressure in September
Arnot, 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
Arnot, PA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Arnot, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Arnot, PA
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in September
Arnot, PA
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Arnot, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Arnot, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arnot, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
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 months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Arnot, PA
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Arnot, 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
Arnot, PA
- Average cloud cover in September: 43
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Arnot, 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).
Arnot, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location