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Weather in September in Jamestown

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< September >
 
Normal Max/ High Temperature 22°C (72°F)
 
Average Temperature 20°C (68°F)
 
Min/ Low Temperature 17°C (63°F)
 
Normal Precipitation 5mm (0.2in)
Number of Wet Days (probability of rain on a day) 2 (7%)
Average Daylight per day 12:02
Sun altitude at solar noon on the 21st day.
73.4°


  • The average temperature in Jamestown in September is warm at 20 °C (68 °F).
  • Afternoons can be really warm with average high temperatures reaching 22 °C (71.6 °F).
  • Overnight temperatures are generally very mild with an average low of 17 °C (62.6 °F).
  • The range/ variation of diurnal mean temperatures in September is 5 °C (9 °F).
  • The weather in September is arid with scarcely any rain. An airy 5mm (0.2in) of fluid tumbles across an average of 2 days.
  • The shortest day is 11:48 long and the longest day is 12:15 long with an average length of 12:02.

Check the distance to and compare the Jamestown September averages with somewhere beginning with:

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Weather Trend Graph for September in Jamestown, Saint Helena

Graph of weather in Jamestown in September

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