September weather forecast
Zanesville, OH

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Colorful fireworks seen in the sky above a large bridge on the Muskingum River in Zanesville, Ohio, during celebrations on Independence Day
Colorful fireworks seen in the sky above a large bridge on the Muskingum River in Zanesville, Ohio, during celebrations on Independence Day

Weather in September

September rings in a note of transformation in Zanesville's weather pattern. The high temperature begins to decline and falls to a comfortable 76.1°F (24.5°C). The daylight gradually reduces inviting early evenings back into the city. With the decreasing temperatures, Zanesville starts witnessing the appearance of autumn foliage, coloring the city in shades of orange and red. September, thus, introduces the impending fall in Zanesville, hinting at cooler days to follow.

Temperature

Zanesville experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 82.6°F (28.1°C) in August to a still moderately hot 76.1°F (24.5°C). Throughout the month of September, the average temperature dips to a refreshing 55.8°F (13.2°C) at night.

Humidity

In September, the average relative humidity in Zanesville is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:56 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:11 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Zanesville in September?

In Zanesville, 76.1°F (24.5°C) is the average high-temperature and 55.8°F (13.2°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In Zanesville, the average relative humidity in September is 78%.

What is the driest month?

September is the month with the least rainfall in Zanesville. Rain falls for 12.8 days and accumulates 1.85" (47mm) of precipitation.

How much does it rain in September?

In Zanesville, in September, during 12.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Zanesville have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:11 pm EDT.

How many hours of sunshine does Zanesville have in September?

In September, the average sunshine duration is 8.3h.

What is the UV index intensity 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 unsafe 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
Zanesville, OH

Average temperature in September - Zanesville, OH
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

Average pressure in September
Zanesville, OH

Average pressure in September - Zanesville, OH
  • 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
Zanesville, OH

Average wind speed in September - Zanesville, OH
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September
Zanesville, OH

Average humidity in September - Zanesville, OH
  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Zanesville, OH

Average rainfall in September - Zanesville, OH
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September
Zanesville, OH

Average rainfall days in September - Zanesville, OH
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (9.3 days).

Average snowfall in September
Zanesville, OH

Average snowfall in September - Zanesville, OH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Zanesville, OH

Average snowfall days in September - Zanesville, OH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Zanesville, OH

Average daylight in September / Average sunshine in September - Zanesville, 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 24min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Zanesville, OH

Average sunshine days in September - Zanesville, OH
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (10.1 days).

Average UV index in September
Zanesville, OH

Average UV index in September - Zanesville, OH
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Zanesville, OH

Average cloud cover in September - Zanesville, 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
Zanesville, OH

Average visibility in September - Zanesville, 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).

Zanesville, Ohio, USA

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