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 reveals a small adjustment in temperature, transitioning from an average high of a hot 86°F (30°C) in August to a warm 79.5°F (26.4°C). In September, the average low-temperature in Newtown records at an enjoyable 63°F (17.2°C) during the nights.Humidity
The average relative humidity in September in Newtown is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 1.93" (49mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:37 pm. On the last day of September, in Newtown, sunrise is at 7:03 am and sunset at 6:52 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Newtown, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during September leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Newtown?
What is the average humidity in September in Newtown?
What is the driest month in Newtown?
How many days does it rain in September in Newtown?
When it does not snow in Newtown?
What is the average length of the day in September in Newtown?
When is the sunrise / sunset in September in Newtown?
How long on average sun shines in September in Newtown?
What is the UV index reading in September in Newtown?
Average temperature in September
Newtown, VA
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Newtown, VA
- Average pressure in September: 30.04"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
Newtown, VA
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Newtown, VA
- Average humidity in September: 77%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Newtown, VA
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Newtown, VA
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in September
Newtown, VA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Newtown, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Newtown, VA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Newtown, VA
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in September
Newtown, VA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Newtown, VA
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Newtown, VA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Newtown, Virginia, USA
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