Alta Weather in September

September in Alta typically sees daytime highs of 20°C (68°F) and nighttime lows of 4°C (39°F). Expect some rainfall during the month.

Rainfall in Alta in September

Based on our climate data of the past 30 years, about 8 days of rain are anticipated, with 48 mm (1.9 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Alta in September

The perfect temperature in Alta in September makes it a solid month to visit, with 20°C (68°F) during the day and 4°C (39°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Alta in September

There are approximately 250 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Alta.

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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 Alta's climate page.

Alta Temperature in September

Min Temperature 4°C (39°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 27%  

Precipitation 48 mm (1.9 in)  

Rainy days 8 days  

Sunshine 250 hours *  

Percentage Sunshine *  

* Data from: Jackson, the United States of America (37 KM, 23 Miles).

What to Wear in Alta in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Alta in September

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

Cycling

10/10

Walking

10/10

Barbeque

9/10

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 Alta's climate page.

More climate data for Alta

Temperature Rainfall Sunshine

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