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
September brings a slight decrease in temperature, down from a warm 84.4°F (29.1°C) in August to a still moderately hot 77.9°F (25.5°C). McArthur anticipates a stark contrast in temperature during September nights, with an average low of 56.3°F (13.5°C).Humidity
The average relative humidity in September in McArthur is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 2.05" (52mm) of precipitation.Snowfall
In McArthur, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of September in McArthur, sunrise is at 6:59 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.
Sunshine
In McArthur, the average sunshine in September is 8.2h.UV index
In McArthur, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for McArthur in September?
What is the average humidity in September in McArthur?
What is the driest month in McArthur?
How much does it rain in McArthur in September?
When it does not snow in McArthur?
Does it snow in McArthur in September?
How many hours of daylight does McArthur have in September?
When is the sunrise / sunset in September in McArthur?
How long on average sun shines in September in McArthur?
How high is the UV index in September in McArthur?
Average temperature in September
McArthur, OH
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in September
McArthur, 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).
Average wind speed in September
McArthur, OH
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
McArthur, OH
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
McArthur, OH
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
McArthur, OH
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
McArthur, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
McArthur, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
McArthur, 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 30min).
- Average sunshine in September: 8h and 1min
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 30min).
Average sunshine days in September
McArthur, OH
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
McArthur, OH
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
McArthur, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
McArthur, OH
- Average visibility in September: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
McArthur, Ohio, USA
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