September weather forecastSomerdale, OH
September
Weather in September
September, the first month of the autumn in Somerdale, is still a warm month, with an average temperature fluctuating between 74.8°F (23.8°C) and 55°F (12.8°C).Temperature
September indicates a minor shift in the average high-temperature, from August's warm 81.1°F (27.3°C) to a still moderately hot 74.8°F (23.8°C). Somerdale in September anticipates an average nighttime temperature of 55°F (12.8°C).Humidity
The average relative humidity in September in Somerdale is 79%.Rainfall
The months with the least rainfall are January and September Rain falls for 9.5 days and accumulates 0.87" (22mm) of rain.Snowfall
In Somerdale, snow does not fall in June through October.Daylight
In September, the average length of the day in Somerdale is 12h and 27min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:08 pm EDT.
Sunshine
The average sunshine in September in Somerdale is 8.2h.UV index
In Somerdale, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Take precautions - Protection against sun damage is advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Somerdale, OH
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Somerdale, 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 (29.94"Hg).
Average wind speed in September
Somerdale, OH
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Somerdale, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Somerdale, OH
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is June (1.73").
The driest months (with the least rainfall) are January and September (0.87").
Average rainfall days in September
Somerdale, OH
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Somerdale, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Somerdale, OH
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Somerdale, 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 18min).
- Average sunshine in September: 8h and 12min
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 0min).
Average sunshine days in September
Somerdale, OH
- Average sunshine days in September: 18 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
Somerdale, 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
Somerdale, OH
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Somerdale, OH
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
