Winston-Salem
North Carolina, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Winston-Salem, NC

  • The average high temperature in September: 27.4°C

The warmest month (with the highest average high temperature) is July (31°C).
The month with the lowest average high temperature is January (9.7°C).

  • The average low temperature in September: 15.3°C

The month with the highest average low temperature is July (19.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).

  • The average rainfall in September: 85.9mm

The wettest month (with the highest rainfall) is July (119.4mm).
The driest month (with the lowest rainfall) is November (66.8mm).

  • The average rainfall days in September: 7 days

The month with the highest number of rainy days is July (11 days).
The month with the lowest number of rainy days is October (6 days).

  • The average snowfall in September: 0mm

The month with the highest snowfall is January (76.2mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

  • The average daylight in September: 12h

The month with the longest days is June (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 May, June and July (Average sunshine: 9h).
Months with least sunshine are January and December (Average sunshine: 5).

  • The average UV index in September: 7

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

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