Butte
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Butte Weather in September

September in Butte averages 20°C (68°F) during the day and 3°C (37°F) at night. The excellent conditions and moderate rainfall make it a solid month to visit.

Rainfall in Butte in September

Analyzing past climate data, one can expect approximately 8 days of rain, averaging 32 mm (1.3 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Butte in September

Butte has excellent weather in September, with days reaching 20°C (68°F) and nights cooling to 3°C (37°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Butte Temperature in September

Min Temperature
3°C (37°F)
Max Temperature
20°C (68°F)
Chance of Rain
25%
Precipitation
32 mm (1.3 in)
Rainy days
8 days

Butte Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Butte - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Butte in September

For Butte in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers.

What To Do in Butte 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

Butte 3-Day Forecast

More climate data for Butte

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.