September weather forecastKiel, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Kiel, Wisconsin, with an average temperature fluctuating between 52.7°F (11.5°C) and 69.4°F (20.8°C).Temperature
Kiel's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 76.5°F (24.7°C) in August to an agreeable 69.4°F (20.8°C). Kiel's nighttime temperature in September falls to an average of 52.7°F (11.5°C).Humidity
In Kiel, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 132.7 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Kiel, Wisconsin, snow does not fall in June through September.Daylight
In September, the average length of the day in Kiel is 12h and 29min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:34 pm CDT.
Sunshine
In Kiel, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiel, WI
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in September
Kiel, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Kiel, WI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in September
Kiel, WI
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Kiel, WI
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Kiel, WI
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Kiel, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Kiel, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kiel, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in September
Kiel, WI
- Average sunshine days in September: 16.3 days
The months with the most sunshine days are September and November (16.3 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in September
Kiel, WI
- Average UV index in September: 3
The months with the highest UV index are 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
Kiel, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Kiel, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
