September weather forecast and climate
Saint Paul, MN

A sunrise shot of the Saint Paul
A sunrise shot of the Saint Paul's Cathedral church ground in Saint Paul, Minnesota
Average temperature in September - Saint Paul, MN
  • Average high temperature in September: 21.7°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (-5°C).

  • Average low temperature in September: 11.1°C

The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (-14.4°C).

Average rainfall in September - Saint Paul, MN
  • Average rainfall in September: 81.3mm

The wettest month (with the highest rainfall) is June (126.5mm).
The driest month (with the lowest rainfall) is February (19.8mm).

Average rainfall days in September - Saint Paul, MN
  • Average rainfall days in September: 10 days

Months with the highest number of rainy days are April, May and June (11 days).
The month with the lowest number of rainy days is February (7 days).

Average daylight in September / Average sunshine in September - Saint Paul, MN
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 8h

Months with most sunshine are June and July (Average sunshine: 11h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in September - Saint Paul, MN
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).

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