Watertown Weather in September

Watertown in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 11°C (52°F). Rainfall is fairly high at around 88 mm (3.5 in) on average, so pack waterproofs just in case.

Rainfall in Watertown in September

On average, there are about 10 days with rain during this month, averaging 88 mm (3.5 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Watertown in September

Watertown in September has excellent weather. Days reach 23°C (73°F) and nights cool to 11°C (52°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Watertown in September

Expect a lot of sunshine this month, with about 212 hours of sun. These sunny conditions add to the overall experience.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Watertown.

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

Watertown Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 35%  

Precipitation 88 mm (3.5 in)  

Rainy days 10 days  

Humidity 76% *  

Sunshine 212 hours *  

Percentage Sunshine 57% *  

* Data from: Madison, the United States of America (54 KM, 34 Miles).

What to Wear in Watertown 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Watertown in September

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

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

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 Watertown's climate page.

More climate data for Watertown

Temperature Rainfall Sunshine Humidity

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