Casper Weather in September

September is one of the perfect months to visit Casper, with daytime temperatures of 25°C (77°F) and lows of 7°C (45°F) at night. Some rainfall is typical for this time of year.

Rainfall in Casper in September

Analyzing past climate data, one can expect approximately 7 days of rain, averaging 25 mm (1 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Casper in September

If you're visiting Casper in September, expect perfect temperatures with highs of 25°C (77°F) and overnight lows of 7°C (45°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

If your ideal day consists of dry skies and pleasant temperatures, June and September typically offer the best circumstances for Casper.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Casper's climate page.

Casper Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 25%  

Precipitation 25 mm (1 in)  

Rainy days 7 days  

What to Wear in Casper in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers.

What To Do in Casper in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Camping

5/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Casper's climate page.

More climate data for Casper

Temperature Rainfall

See the full Casper climate overview or explore weather in the United States of America.