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 beginning of September records an average high-temperature of an agreeable 69.8°F (21°C), almost echoing the conditions of the previous month. The average low-temperature during September nights is a cool 52.2°F (11.2°C).Humidity
The average relative humidity in September is 83%.Rainfall
The month with the least rainfall is September, when the rain falls for 16.3 days and typically collects 2.13" (54mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:01 pm EDT.
Sunshine
In Columbus, the average sunshine in September is 7.8h.UV index
In Columbus, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Columbus have in September?
What is the UV index intensity in September?
Average temperature in September
Columbus, PA
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in September
Columbus, PA
- Average pressure in September: 30.05"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
Columbus, PA
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Columbus, PA
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in September
Columbus, PA
- Average rainfall in September: 2.13"
The wettest months (with the highest rainfall) are April and October (3.07").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Columbus, PA
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (7.1 days).
Average snowfall in September
Columbus, PA
- Average snowfall in September: 0"
The month with the highest snowfall is December (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Columbus, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Columbus, PA
- 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Columbus, PA
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is June (11.9 days).
The month with the least sunshine days is January (5.9 days).
Average UV index in September
Columbus, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Columbus, PA
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 82).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Columbus, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Columbus, Pennsylvania, USA
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