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.
Hermiston Weather in September
September is one of the excellent months to visit Hermiston, with daytime temperatures of 27°C (81°F) and lows of 10°C (50°F) at night. Rainfall is minimal, averaging just 9.3 mm (0.4 in) for the month.
Rainfall in Hermiston in September
Past climate data indicates that roughly 4 days will see rain, totalling around 9.3 mm (0.4 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Hermiston in September
September in Hermiston is generally excellent, with days reaching 27°C (81°F) and nights settling around 10°C (50°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Hermiston.
Hermiston Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
27°C (81°F)
Chance of Rain
12%
Precipitation
9.3 mm (0.4 in)
Rainy days
4 days
Hermiston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hermiston - 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 Hermiston in September
Warm but pleasant conditions in Hermiston in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection.
What To Do in Hermiston in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping5/10 -
Outdoor sports8/10
Hermiston 3-Day Forecast
More climate data for Hermiston
See the full Hermiston 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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