Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Lewistown Weather in September
September in Lewistown averages 22°C (72°F) during the day and 6°C (43°F) at night. The excellent conditions and moderate rainfall make it a solid month to visit.
Rainfall in Lewistown in September
Historically, the month has about 11 days of rain, averaging 37 mm (1.5 in) in total. 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 Lewistown in September
The temperature in Lewistown in September is excellent. Daytime highs reach 22°C (72°F), with nights dropping to 6°C (43°F). The summer season takes place during September. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Lewistown.
Lewistown Temperature in September
Min Temperature
6°C (43°F)
Max Temperature
22°C (72°F)
Chance of Rain
37%
Precipitation
37 mm (1.5 in)
Rainy days
11 days
Lewistown Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lewistown - 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 Lewistown 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 Lewistown in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping5/10 -
Outdoor sports10/10
Lewistown 3-Day Forecast
More climate data for Lewistown
See the full Lewistown climate overview or explore weather in the United States of America.
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.
Yosemite National Park is definitely worth a visit
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