September weather forecastNew Plymouth, OH
September
Weather in September
September, the first month of the autumn in New Plymouth, is still a warm month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 77.9°F (25.5°C).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a moderately hot 84°F (28.9°C) in August to a still warm 77.9°F (25.5°C). New Plymouth sees a large disparity in day to night temperatures in September, with the night temperature dropping to an average of 56.3°F (13.5°C).Humidity
The months with the lowest humidity are April, June, August, September and November, with an average relative humidity of 76%.Rainfall
September is the month with the least rainfall. Rain falls for 10.9 days and accumulates 1.02" (26mm) of precipitation.Snowfall
In New Plymouth, snow does not fall in June through October.Daylight
In New Plymouth, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:13 pm EDT.
Sunshine
The average sunshine in September in New Plymouth is 8.3h.UV index
In New Plymouth, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Plymouth, OH
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
New Plymouth, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
New Plymouth, OH
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
New Plymouth, OH
- Average humidity in September: 76%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April, June, August, September and November (76%).
Average rainfall in September
New Plymouth, OH
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in September
New Plymouth, OH
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in September
New Plymouth, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
New Plymouth, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
New Plymouth, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
New Plymouth, OH
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is May (11 days).
Average UV index in September
New Plymouth, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
New Plymouth, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
New Plymouth, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
