Jefferson City
Missouri, USA
Long-term weather forecast
Long-term weather forecast
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September weather forecast and Climate
Jefferson City, MO

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The scenic view of the State Capitol building in Jefferson City, Missouri, surrounded by a beautiful park, reflected in a pool of water nearby
The scenic view of the State Capitol building in Jefferson City, Missouri, surrounded by a beautiful park, reflected in a pool of water nearby
  • The average high temperature in September: 79.8°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.9°F).

  • The average low temperature in September: 56°F

The month with the highest average low temperature is July (67.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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  • The average rainfall in September: 4.2"

The wettest month (with the highest rainfall) is May (5.2").
The driest month (with the lowest rainfall) is January (1.9").

  • The average rainfall days in September: 8 days

The month with the highest number of rainy days is May (12 days).
The month with the lowest number of rainy days is January (7 days).

  • The average snowfall in September: 0"

The month with the highest snowfall is January (4.8").
Months with the lowest snowfall are May, June, July, August, September and October (0").

  • The average daylight in September: 12h

Months with the longest days are June and July (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in September: 8h

Months with most sunshine are June and July (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 5).

  • The average UV index in September: 7

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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