September weather forecastClarington, OH
September
Weather in September
As September graces Clarington, the weather starts to cool, signifying the change from summer to fall. The slowing rhythm of life becomes discernible and evenings acquire a fresh chill. The changing shades of leaves offer a colour palette of rustic hues. This month's weather supports the onset of harvest festivals and an array of pumpkin-spiced delights. Echoes of summer warmth blend with the crisp promise of fall, crafting a unique seasonal charm.Temperature
During the shift to September in Clarington, a minor reduction in average high-temperature is observed, shifting from a moderately hot 82.8°F (28.2°C) in August to a still warm 76.6°F (24.8°C). Throughout September, Clarington registers a consistent average low-temperature of 55.4°F (13°C).Humidity
In Clarington, Ohio, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Clarington is September, when the rain falls for 13.6 days and typically collects 1.61" (41mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:07 pm EDT.
Sunshine
In Clarington, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Clarington is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clarington, OH
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Clarington, OH
- Average pressure in September: 30.05"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
Clarington, OH
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Clarington, OH
- Average humidity in September: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Clarington, OH
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Clarington, OH
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in September
Clarington, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Clarington, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Clarington, OH
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Clarington, OH
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).
Average UV index in September
Clarington, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Clarington, OH
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Clarington, OH
- Average visibility in September: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).
