Holtsville weather in September (New York State, United States of America)

How does the September weather in Holtsville compare to other months? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

The weather in Holtsville during September is typically perfect, with high temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 24°C. But by evening, they drop to around 15°C.

Precipitation

Holtsville in September usually receives moderate rainfall, averaging around 87 mm for the month. According to historical climate patterns, there are usually around 9 days days of rain.

Average sunshine

There are approximately 218 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. May, July and September generally stand out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Holtsville, monthly averages in September

Min Temperature 15°C  

Max Temperature 24°C  

Chance of Rain 30%  

Precipitation 87 mm  

Rainy days 9 days  

Humidity 68% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

Data from: New York City, the United States of America (72 KM, 44 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 Holtsville, 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 Holtsville.

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.