Rochester weather in September (New Hampshire, United States of America)

Curious about the climate in Rochester this September? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

For September, the weather in Rochester is generally perfect, featuring high temperatures and moderate rainfall. The temperature during the day can rise to approximately 23°C. At night, it falls to around 11°C.

Precipitation

Rochester in September usually receives moderate rainfall, averaging around 96 mm for the month. Historically, the month has about 10 days of rain.

Average sunshine

The city usually sees around 214 hours of sunlight, indicating many sunny days.

So this is a great month to visit if you prefer dry days with pleasant temperatures. September typically offers the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Rochester climate page with graphs.

 

Rochester, monthly averages in September

Min Temperature 11°C  

Max Temperature 23°C  

Chance of Rain 33%  

Precipitation 96 mm  

Rainy days 10 days  

Humidity 76% *  

Sunshine 214 hours *  

Percentage Sunshine *  

Data from: Concord, the United States of America (46 KM, 29 Miles).

Where to go 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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in this month?

For visitors traveling to Rochester, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Rochester.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.