Jamestown weather in September 2019

  • 21°C maximum daytime temperature in September in Jamestown21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Jamestown11
    11 days with some rainfall
  • 10°C minimum night-time temperature in September in Jamestown10
    10°C min night temperature
  • 12 hours of daylight per day in September in Jamestown12
    12 hours of daylight per day
  • No heat & humidity in September in Jamestown0
    No heat & humidity
  • 112 mm monthly rainfall in September in Jamestown112
    112 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Jamestown6
    6 (High) UV index
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The September weather guide for Jamestown, New York shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Jamestown weather in September

The average maximum daytime temperature in Jamestown in September is a comfortable 21°C (70°F). The average night-time temperature is usually a cool 10°C (50°F). There are usually 6 hours of bright sunshine each day, which represents 51% of the 12 hours of daylight.

Expect 112mm (4.4 inches) of rainfall across the whole of September with 11 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

Jamestown sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Jamestown in September 2019. Select a month to view Jamestown sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Sunday, 1st September 2019 06:42 19:51
Sunday, 15th September 2019 06:57 19:27
Monday, 30th September 2019 07:13 19:01
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