September weather forecast
Marion, OH

Weather in September

September, the first month of the autumn, in Marion, is still a warm month, with average temperature varying between 55.4°F (13°C) and 73.4°F (23°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still moderately hot 73.4°F (23°C). The average low-temperature, in September, is 55.4°F (13°C).

Humidity

In Marion, the average relative humidity is 80%.

Rainfall

The month with the least rainfall in Marion, Ohio, is September when the rain falls for 14.6 days and typically collects 1.93" (49mm) of precipitation.

Snowfall

In Marion snow does not fall in June through September.

Daylight

The average length of the day in Marion is 12.4h.

Sunshine

The average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
[Resources]

FAQ

What is the average humidity in September in Marion?

In Marion, Ohio, the average relative humidity in September is 80%.

What is the driest month in Marion?

The month with the least rainfall in Marion is September when the rain falls for 14.6 days and typically collects 1.93" (49mm) of precipitation.

How much does it rain in Marion in September?

In Marion, in September, during 14.6 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Marion?

In Marion snow does not fall in June through September.

Does it snow in Marion in September?

In Marion, Ohio, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Marion have in September?

In September, the average length of the day is 12.4h.

How long on average sun shines in September in Marion?

The average sunshine in September is 8h.

What is the UV index intensity in September in Marion?

In Marion, Ohio, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Marion, OH

Average temperature in September - Marion, OH
  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is July (26.7°C).
The month with the lowest average high temperature is January (-0.4°C).

  • Average low temperature in September: 13°C

The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is January (-6.8°C).

[Resources]

Average pressure in September
Marion, OH

Average pressure in September - Marion, OH
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is November (1020.2mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

[Resources]

Average wind speed in September
Marion, OH

Average wind speed in September - Marion, OH
  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is January (16.8km/h).
The calmest months (with the lowest average wind speed) are July and August (9.4km/h).

[Resources]

Average humidity in September
Marion, OH

Average humidity in September - Marion, OH
  • Average humidity in September: 80%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, October and November (76%).

[Resources]

Average rainfall in September
Marion, OH

Average rainfall in September - Marion, OH
  • Average rainfall in September: 49mm

The wettest month (with the highest rainfall) is May (92mm).
The driest month (with the least rainfall) is September (49mm).

[Resources]

Average rainfall days in September
Marion, OH

Average rainfall days in September - Marion, OH
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.8 days).

[Resources]

Average snowfall in September
Marion, OH

Average snowfall in September - Marion, OH
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (101mm).
The months with the least snowfall are June, July, August and September (0mm).

[Resources]

Average snowfall days in September
Marion, OH

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

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Marion, OH
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.3h).

[Resources]

Average sunshine days in September
Marion, OH

Average sunshine days in September - Marion, OH
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (9.2 days).

[Resources]

Average UV index in September
Marion, OH

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

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

[Resources]

Average cloud cover in September
Marion, OH

Average cloud cover in September - Marion, OH
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).

[Resources]

Average visibility in September
Marion, OH

Average visibility in September - Marion, OH
  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July, October, November and December (9km).
The months with the lowest visibility are January, February, August and September (8km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location