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
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 78.6°F (25.9°C) to an agreeable 73.2°F (22.9°C). Berkey's nighttime temperature during September is consistently averaged at a moderate 55.9°F (13.3°C).Humidity
In September, the average relative humidity in Berkey is 78%.Rainfall
In Berkey, in September, during 11.5 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 135.5 rainfall days, and 14.37" (365mm) of precipitation is accumulated.Snowfall
In Berkey, snow does not fall in May through September.Daylight
In Berkey, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:02 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:18 pm EDT.
Sunshine
In Berkey, the average sunshine in September is 8.1h.UV index
In Berkey, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Berkey?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Berkey have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Berkey have in September?
How high is the UV index in September?
Average temperature in September
Berkey, OH
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Berkey, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Berkey, OH
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Berkey, OH
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Berkey, OH
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is June (1.81").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in September
Berkey, OH
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are May and June (15.6 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Berkey, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Berkey, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Berkey, OH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Berkey, OH
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Berkey, 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
Berkey, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Berkey, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Berkey, Ohio, USA
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