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
In Silver Lake, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 77.5°F (25.3°C) to an agreeable 71.6°F (22°C). Silver Lake observes an average nighttime temperature of 55°F (12.8°C) during September.Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.89" (48mm) of precipitation is accumulated. In Silver Lake, during the entire year, the rain falls for 139.6 days and collects up to 26.18" (665mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.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
The average sunshine in September is 8.9h.UV index
In Silver Lake, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Heed the precautions - It is counselled to guard against solar damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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 Silver Lake in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Silver Lake have in September?
What is the UV index intensity in September?
Average temperature in September
Silver Lake, WI
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in September
Silver Lake, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Silver Lake, WI
- Average wind speed in September: 7.5mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Silver Lake, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Silver Lake, WI
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in September
Silver Lake, WI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in September
Silver Lake, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Silver Lake, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Silver Lake, 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: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in September
Silver Lake, WI
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Silver Lake, WI
- Average UV index in September: 4
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 and December (UV index 1).
Average cloud cover in September
Silver Lake, WI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in September
Silver Lake, 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).
Silver Lake, Wisconsin, USA
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