September weather forecast and climate
Middleton, WI

What is the temperature in September in Middleton?

The average high-temperature, in September, is 70°F (21.1°C), while the average low-temperature is 50°F (10°C).

How much does it rain in Middleton in September?

During September, Middleton regularly aggregates up to 3.3" (82.6mm) of precipitation.
Average temperature in September - Middleton, WI
  • Average high temperature in September: 70°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is July (60°F).
The coldest month (with the lowest average low temperature) is January (6°F).

Average rainfall in September - Middleton, WI
  • Average rainfall in September: 3.3"

The wettest month (with the highest rainfall) is June (4.5").
Driest months (with the lowest rainfall) are January and February (1.1").

Average daylight in September - Middleton, WI
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).