Chester Weather in September

September in Chester averages 28°C (82°F) during the day and 16°C (61°F) at night. It is the wettest month of the year, with 126 mm (5 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Chester in September

Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Historically, the month has about 10 days of rain, averaging 126 mm (5 in) in total. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Chester in September

Expect highs of 28°C (82°F) in Chester in September, with nights dropping to around 16°C (61°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Chester in September

There are approximately 238 hours of sunshine this month, resulting in mostly clear days.

If you prefer enjoying temperate temperatures and rain-free days, April typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
• March
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• May
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• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Chester's climate page.

Chester Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 33%  

Precipitation 126 mm (5 in)  

Rainy days 10 days  

Humidity 77% *  

Sunshine 238 hours *  

Percentage Sunshine 64% *  

* Data from: Richmond, the United States of America (20 KM, 12 Miles).

What to Wear in Chester in September

Warm but pleasant conditions in Chester 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Chester in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Chester's climate page.

More climate data for Chester

Temperature Rainfall Sunshine Humidity

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