Weather — September 2019

New AcuRite weather station in service as of 3:45 pm on the 2nd (too late for that day’s high). Temperatures for the 1st and 2nd are taken from Rock County Airport observations.

Date Day Low
(°F)
High
(°F)
Precipitation (inches)
9/30Mon 62°83° 
Mix of clouds and sun; humid (70° dew point), with strong south breezes
9/29Sun 55°62°Rain 2.23″
Rain, mainly before 10 am. Cloudy with east winds. High temperature at midnight
9/28Sat 60°65° 
Cloudy or mostly cloudy, with east or northeast winds
9/27Fri 59°66°Rain 0.50″
Cloudy with occasional rain, and southerly winds
9/26Thu 53°72° 
Sunny and dry (dew points low/mid 40s), with brisk west winds
9/25Wed 65°76° 
Mostly sunny for the midday; mostly cloudy early and late. Brisk west winds
9/24Tue 56°81° 
Mostly sunny and warm, with strong southwest winds
9/23Mon 56°74° 
Sunny and mild, with west or northwest winds. Clear and calm after 7 pm
9/22Sun 70°72°Rain 0.86″
Rain until 5 pm; light southwest winds
9/21Sat 69°74°Rain 0.06″
Cloudy and humid, with south winds. Light rain between 11 am and 9 pm
9/20Fri 64°82° 
Mostly sunny before 1 pm, then mostly cloudy. Humid, with winds calm to light southerly
9/19Thu 65°72°Rain 0.24″
Light rain between 10 am and 2 pm, then mostly cloudy and humid, with light south winds
9/18Wed 62°82° 
Sunny and humid, with light south breezes
9/17Tue 62°79° 
Cloudy early, then decreasing clouds. Humid, with light southeast winds
9/16Mon 65°80° 
Mostly cloudy before 11 am, then mostly sunny. Humid, with light easterly or variable winds
9/15Sun 65°77°Rain 0.07″
Light rain, mainly before sunrise. Cloudy, with southwest winds becoming west after 1 pm; calm after 5 pm
9/14Sat 54°78° 
Sunny before noon, then mostly cloudy. South or southwest winds
9/13Fri 67°69°Rain 2.76″
Rain ending by 3 am. Party sunny and cooler, with strong southwest winds becoming west after 1 pm
9/12Thu 62°75°Rain 2.46″
Rain ending around 4 am. Cloudy with light east or southeast winds. Thunderstorms with heavy rain after 10 pm (in tomorrow’s total)
9/11Wed 68°83°Next day
Mostly cloudy, warm, and very humid, with southwest winds. Thunderstorms with heavy rain after 8 pm
9/10Tue 67°82°Rain 2.39″
Thunderstorms with heavy rain between 2 and 5 am. Partly sunny, warm and humid, with southerly winds becoming west around noon
9/9Mon 58°71°Rain 0.05″
Cloudy with occasional light rain; east winds becoming southeast after 2 pm
9/8Sun 59°64°Rain (trace)
Few morning sprinkles. Cloudy and cool, with east winds
9/7Sat 55°75° 
Partly sunny, with southwest winds becoming northwest around noon
9/6Fri 64°72° 
Cloudy before 3 pm, then mostly cloudy. Northwest winds becoming north by noon
9/5Thu 52°74° 
Partly cloudy and mild, with light south winds. Mostly cloudy after 5 pm
9/4Wed 59°66° 
Cloudy and cool, with light northwest winds. Clear and calm after 10 pm
9/3Tue 67°82°Rain 0.20″
Rain/thunderstorms between 4 and 7 am, then a bit more before 10 am. Becoming very humid (dew point up to 71°), then clearing and milder after 5 pm
9/2Mon 59°82°Rain (trace)
Partly sunny and warmer, with light northwest winds becoming southwest in the afternoon. Few afternoon sprinkles. Cloudy and calm after 8 pm
9/1Sun 61°73° 
Cloudy and generally calm; clearing toward sunset