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
Spencer's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 75.6°F (24.2°C) in August to an agreeable 68.4°F (20.2°C). During the month of September, the nighttime temperature falls to an average of 50°F (10°C).Humidity
In September, the average relative humidity in Spencer is 80%.Rainfall
In Spencer, during September, the rain falls for 12.4 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Spencer, Wisconsin, there are 132.1 rainfall days, and 23.23" (590mm) of precipitation is accumulated.Snowfall
In Spencer, snow does not fall in June through September.Daylight
In September, the average length of the day in Spencer, Wisconsin, is 12h and 31min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:37 pm. On the last day of September, in Spencer, sunrise is at 6:58 am and sunset at 6:43 pm CDT.
Sunshine
In September, the average sunshine in Spencer is 8.3h.UV index
The average daily maximum UV index in September in Spencer is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Spencer?
What is the average humidity in September in Spencer?
How much does it rain in Spencer in September?
When it does not snow in Spencer?
Does it snow in Spencer in September?
What is the average length of the day in September in Spencer?
What time are sunrise and sunset in September in Spencer?
How long on average sun shines in September in Spencer?
What is the UV index reading in September in Spencer?
Average temperature in September
Spencer, WI
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in September
Spencer, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Spencer, WI
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Spencer, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Spencer, WI
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Spencer, WI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Spencer, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Spencer, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spencer, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Spencer, WI
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in September
Spencer, WI
- 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, November and December (UV index 1).
Average cloud cover in September
Spencer, WI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Spencer, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Spencer, Wisconsin, USA
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