September weather forecast
New Plymouth, OH

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Weather in September

September, the first month of the autumn in New Plymouth, is still a warm month, with an average temperature ranging between max 77.9°F (25.5°C) and min 56.3°F (13.5°C).

Temperature

As August transitions into September, New Plymouth sees a gentle drop in the average high-temperature, transitioning from 84°F (28.9°C) to a still moderately hot 77.9°F (25.5°C). Compared to daytime temperatures, New Plymouth's temperature drops significantly, averaging a refreshing 56.3°F (13.5°C) during the nights of September.

Humidity

April, June, August, September and November, with an average relative humidity of 76%, are the least humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.9 days and typically collects 1.02" (26mm) of precipitation.

Snowfall

June through October are months without snowfall in New Plymouth.

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

In New Plymouth, the average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What is the average September temperature in New Plymouth?

The average high-temperature, in September, in New Plymouth, is 77.9°F (25.5°C), while the average low-temperature is 56.3°F (13.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 93.2°F (34°C).

What is the least humid month in New Plymouth?

The months with the lowest humidity are April, June, August, September and November, with an average relative humidity of 76%.

What is the average humidity in September in New Plymouth?

In September, the average relative humidity in New Plymouth, Ohio, is 76%.

What is the driest month in New Plymouth?

September is the month with the least rainfall in New Plymouth. Rain falls for 10.9 days and accumulates 1.02" (26mm) of precipitation.

How much does it rain in New Plymouth in September?

In New Plymouth, in September, during 10.9 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow in New Plymouth?

June through October are months without snowfall in New Plymouth, Ohio.

What is the average length of the day in September in New Plymouth?

In September, the average day length is 12h and 26min.

What time are sunrise and sunset in September in New Plymouth?

On the first day of September in New Plymouth, Ohio, sunrise is at 6:58 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:13 pm EDT.

How long on average sun shines in September in New Plymouth?

In New Plymouth, Ohio, the average sunshine duration in September is 8.3h.

What is the UV index intensity in September in New Plymouth?

In New Plymouth, Ohio, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
New Plymouth, OH

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).

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Average pressure in September
New Plymouth, OH

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).

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Average wind speed in September
New Plymouth, OH

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).

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Average humidity in September
New Plymouth, OH

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%).

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Average rainfall in September
New Plymouth, OH

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").

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Average rainfall days in September
New Plymouth, OH

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).

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Average snowfall in September
New Plymouth, OH

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").

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Average snowfall days in September
New Plymouth, OH

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).

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Average daylight in September /
Average sunshine in September
New Plymouth, OH

Average daylight in September / Average sunshine in September - New Plymouth, OH
  • Average daylight in September: 12h and 2min

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 2min

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).

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Average sunshine days in September
New Plymouth, OH

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).

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Average UV index in September
New Plymouth, OH

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).

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Average cloud cover in September
New Plymouth, OH

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).

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Average visibility in September
New Plymouth, OH

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).

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New Plymouth, Ohio, USA

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