September weather forecast
New Knoxville, OH

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Weather in September

The first month of the autumn, September, is also a moderately hot month in New Knoxville, Ohio, with an average temperature fluctuating between 73.8°F (23.2°C) and 55.8°F (13.2°C).

Temperature

New Knoxville's transition from August to September introduces an average high-temperature of a still moderately hot 73.8°F (23.2°C), marking an insignificant variation from the 79°F (26.1°C). September nights observe an average temperature dip to a refreshing 55.8°F (13.2°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

In New Knoxville, in September, during 13.3 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 161.4 rainfall days, and 29.25" (743mm) of precipitation is accumulated.

Snowfall

In New Knoxville, snow does not fall in June through September.

Daylight

In New Knoxville, Ohio, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 7:05 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:20 pm EDT.

Sunshine

In New Knoxville, the average sunshine in September is 7.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature, in September, in New Knoxville, records 73.8°F (23.2°C), while the low-temperature is 55.8°F (13.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

How much does it rain in September?

In September, the rain falls for 13.3 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

In New Knoxville, snow does not fall in June through September.

Does it snow in New Knoxville in September?

In New Knoxville, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does New Knoxville have in September?

In September, the average day length is 12h and 27min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 8:08 pm. On the last day of the month, in New Knoxville, sunrise is at 7:33 am and sunset at 7:20 pm EDT.

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

In September, the average sunshine duration is 7.9h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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 Knoxville, OH

Average temperature in September - New Knoxville, OH
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in September
New Knoxville, OH

Average pressure in September - New Knoxville, OH
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
New Knoxville, OH

Average wind speed in September - New Knoxville, OH
  • Average wind speed in September: 6.7mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in September
New Knoxville, OH

Average humidity in September - New Knoxville, OH
  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
New Knoxville, OH

Average rainfall in September - New Knoxville, OH
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.85").

Average rainfall days in September
New Knoxville, OH

Average rainfall days in September - New Knoxville, OH
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in September
New Knoxville, OH

Average snowfall in September - New Knoxville, OH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
New Knoxville, OH

Average snowfall days in September - New Knoxville, OH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
New Knoxville, OH

Average sunshine days in September - New Knoxville, OH
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (9.4 days).

Average UV index in September
New Knoxville, OH

Average UV index in September - New Knoxville, OH
  • Average UV index in September: 4

The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
New Knoxville, OH

Average cloud cover in September - New Knoxville, OH
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
New Knoxville, OH

Average visibility in September - New Knoxville, OH
  • Average visibility in September: 5mi

The months with the highest visibility are February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, August and September (5mi).

New Knoxville, Ohio, USA

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