Casper weather in September 2024

Expect 73°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Casper in September. Check more long-term weather averages for Casper in September before you book your next holiday to Wyoming in 2024/2025.

73
73°F max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
41
41°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
0.9
0.9 inches of monthly rainfall
7
7 (High) UV index

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The September weather guide for Wyoming (Casper) 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.

Metric (°C) | Imperial (°F)

More about the USA

How hot is it in Casper in September?

Daytime temperatures usually reach 73°F in Casper in September, falling to 41°F at night.

How sunny is it in Casper in September?

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

Does it rain in Casper in September?

There are usually 7 days with some rain in Casper in September and the average monthly rainfall is 0.9 inches.

Casper September sunrise & sunset times

Browse the sunrise and sunset times for Casper in September 2024. Select a month to view Casper sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Sunday, 1st September 2024	06:31	19:39
Sunday, 15th September 2024	06:46	19:14
Monday, 30th September 2024	07:02	18:47

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Wyoming - quick facts
Flight time^✝	13 hours
Time difference	UK -7 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Wyoming Office of Tourism