Sumner Weather in September

September is one of the excellent months to visit Sumner, with daytime temperatures of 22°C (72°F) and lows of 11°C (52°F) at night. Some rainfall is typical for this time of year.

Rainfall in Sumner in September

Historically, the month has about 11 days of rain, averaging 52 mm (2 in) in total. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Sumner in September

Weather in Sumner is at its excellent in September. Highs reach 22°C (72°F), while nights settle around 11°C (52°F). This month falls in the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Sumner in September

The month enjoys around 209 hours of sunshine, creating mostly sunny days with good weather conditions.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Sumner.

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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 Sumner's climate page.

Sumner Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 35%  

Precipitation 52 mm (2 in)  

Rainy days 11 days  

Sunshine 209 hours *  

Percentage Sunshine 55% *  

* Data from: Tacoma, the United States of America (16 KM, 10 Miles).

What to Wear in Sumner 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 Sumner 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

8/10

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 Sumner's climate page.

More climate data for Sumner

Temperature Rainfall Sunshine

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