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
During September, South Salem records an average high-temperature of a still moderately hot 75.9°F (24.4°C), marking a slight divergence from August's 81°F (27.2°C). The average nighttime temperature lowers to a refreshing 56.7°F (13.7°C) throughout September.Humidity
In September, the average relative humidity in South Salem is 77%.Rainfall
The month with the least rainfall in South Salem is September, when the rain falls for 10.4 days and typically collects 0.71" (18mm) of precipitation.Snowfall
May through September are months without snowfall in South Salem.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 7:02 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In South Salem, Ohio, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are the temperatures in South Salem in September?
What is the average humidity in September in South Salem?
What is the driest month in South Salem?
How many days does it rain in September in South Salem?
When it does not snow in South Salem?
Does it snow in South Salem in September?
How many hours of daylight does South Salem have in September?
What time are sunrise and sunset in September in South Salem?
How many hours of sunshine does South Salem have in September?
How high is the UV index in September in South Salem?
Average temperature in September
South Salem, OH
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
South Salem, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
South Salem, OH
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
South Salem, OH
- Average humidity in September: 77%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
South Salem, OH
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
South Salem, OH
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
South Salem, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
South Salem, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Salem, 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 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
South Salem, OH
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
South Salem, 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
South Salem, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
South Salem, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
South Salem, Ohio, USA
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