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 arrival of September signals a subtle shift in temperature, down from a warm 77.4°F (25.2°C) in August to a pleasant 70.5°F (21.4°C). In the month of September, Hudson experiences an average low-temperature of 51.8°F (11°C).Humidity
In Hudson, the average relative humidity in September is 78%.Rainfall
In Hudson, in September, it is raining for 12.2 days, with typically 2.09" (53mm) of accumulated precipitation. In Hudson, during the entire year, the rain falls for 130.4 days and collects up to 24.29" (617mm) of precipitation.Snowfall
In Hudson, snow does not fall in June through September.Daylight
In Hudson, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:52 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Hudson, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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 much does it rain in September?
When it does not snow?
Does it snow in Hudson in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Hudson, WI
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in September
Hudson, WI
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Hudson, WI
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Hudson, WI
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Hudson, WI
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Hudson, WI
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in September
Hudson, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hudson, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hudson, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Hudson, WI
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Hudson, 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, February, November and December (UV index 1).
Average cloud cover in September
Hudson, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Hudson, WI
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Hudson, Wisconsin, USA
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