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
As August transitions into September, Waterford sees a gentle drop in the average high-temperature, transitioning from a warm 77.2°F (25.1°C) to an agreeable 70.9°F (21.6°C). An average low-temperature of 55.9°F (13.3°C) is common during the nights of September.Humidity
In Waterford, Wisconsin, the average relative humidity in September is 79%.Rainfall
In Waterford, in September, it is raining for 11.5 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 131.7 rainfall days, and 18.35" (466mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:18 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:35 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In Waterford, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during September leads to these advisories:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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?
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 in Waterford?
When is the sunrise / sunset in September?
How many hours of sunshine does Waterford have in September?
What is the UV index reading in September?
Average temperature in September
Waterford, WI
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (25.7°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 (14.9°F).
Average pressure in September
Waterford, WI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Waterford, WI
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Waterford, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Waterford, WI
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in September
Waterford, WI
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Waterford, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Waterford, WI
- 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
Waterford, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h 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
Waterford, WI
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Waterford, WI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Waterford, WI
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Waterford, WI
- 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).
Waterford, Wisconsin, USA
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