Wyoming weather in September 2020

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Below are average maximum temperatures at popular destinations in Wyoming in September. Select a destination to see more weather parameters.

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The September weather guide for Wyoming 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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How hot is it in Wyoming in September?

Daytime temperatures usually reach 22°C in Cheyenne, Wyoming in September, falling to 6°C at night.

How sunny is it in Wyoming in September?

There are normally 9 hours of bright sunshine each day in Cheyenne, Wyoming in September - that's 70% of daylight hours.

Does it rain in Wyoming in September?

There are usually 7 days with some rain in Cheyenne, Wyoming in September and the average monthly rainfall is 34mm.

Wyoming sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Wyoming in September 2020. Select a month to view Wyoming sunrise & sunset times for the next twelve months. The Wyoming sunrise & sunset times shown below are for Cheyenne.


Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:26 19:31
Tuesday, 15th September 2020 06:40 19:07
Wednesday, 30th September 2020 06:56 18:42
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Metric (°C / mm)  |  Imperial (°F / inches)

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