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
September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 78.4°F (25.8°C) to a pleasant 73°F (22.8°C). During September, Wellsburg consistently records a temperature low averaging a fresh 54.1°F (12.3°C).Humidity
In September, the average relative humidity is 77%.Rainfall
In Wellsburg, in September, during 11.9 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 143.1 rainfall days, and 30.24" (768mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Wellsburg, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:37 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:54 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Wellsburg in September?
How many hours of daylight does Wellsburg have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Wellsburg, IA
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in September
Wellsburg, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Wellsburg, IA
- Average wind speed in September: 8.5mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
Wellsburg, IA
- Average humidity in September: 77%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Wellsburg, IA
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Wellsburg, IA
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Wellsburg, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wellsburg, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wellsburg, IA
- 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 6min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Wellsburg, IA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Wellsburg, IA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Wellsburg, IA
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in September
Wellsburg, IA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Wellsburg, Iowa, USA
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