September weather forecastArcanum, OH
September
Weather in September
September, the first month of the autumn in Arcanum, is still a warm month, with an average temperature fluctuating between 56.5°F (13.6°C) and 74.5°F (23.6°C).Temperature
The transition into September reveals an average high-temperature of a still moderately hot 74.5°F (23.6°C), mirroring a close resemblance to August. In September, Arcanum experiences an average nighttime temperature of 56.5°F (13.6°C).Humidity
In Arcanum, Ohio, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Arcanum, Ohio, is September, when the rain falls for 14.6 days and typically collects 2.17" (55mm) of precipitation.Snowfall
May through September are months without snowfall in Arcanum.Daylight
The average length of the day in September is 12h and 26min.On the first day of September in Arcanum, sunrise is at 7:06 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:21 pm EDT.
Sunshine
The average sunshine in September in Arcanum is 7.8h.UV index
The average daily maximum UV index in September in Arcanum is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arcanum, OH
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Arcanum, OH
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Arcanum, OH
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Arcanum, OH
- Average humidity in September: 78%
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
Arcanum, OH
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Arcanum, OH
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Arcanum, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Arcanum, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arcanum, OH
- Average daylight in September: 12h and 24min
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: 7h and 48min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Arcanum, OH
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Arcanum, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Arcanum, 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
Arcanum, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
