Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September denotes a barely perceptible change in the average high-temperatures to a still moderately hot 73.4°F (23°C) from August's 78.6°F (25.9°C). Marion experiences a steady low-temperature of 55.4°F (13°C) throughout September.Humidity
In Marion, the average relative humidity in September 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
June through September are months without snowfall in Marion, Ohio.Daylight
In Marion, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 7:00 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:15 pm EDT.
Sunshine
In Marion, the average sunshine in September is 8h.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 exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marion in September?
What is the average humidity in September in Marion?
What is the driest month in Marion?
How many days does it rain in September in Marion?
When it does not snow in Marion?
Does it snow in Marion in September?
What is the average length of the day in September in Marion?
What time are sunrise and sunset in September in Marion?
How long on average sun shines in September in Marion?
What is the UV index intensity in September in Marion?
Average temperature in September
Marion, OH
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Marion, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Marion, OH
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
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%).
Average rainfall in September
Marion, OH
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.93").
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).
Average snowfall in September
Marion, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
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).
Average daylight in September /
Average sunshine in September
Marion, 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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
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).
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).
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).
Average visibility in September
Marion, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Marion, Ohio, USA
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