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Watertown Weather in September

Watertown in September sees high daytime temperatures of 22°C (72°F) and nighttime lows of 10°C (50°F). Moderate rainfall is typical, with around 58 mm (2.3 in) for the month.

Rainfall in Watertown in September

You can expect rain on roughly 8 days based on historical data, averaging 58 mm (2.3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Watertown in September

The perfect temperature in Watertown in September makes it a solid month to visit, with 22°C (72°F) during the day and 10°C (50°F) at night. This kind of day-to-night contrast is typical for this time of year. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 TemperatureMin Temperature 10°C (50°F)  
Max TemperatureMax Temperature 22°C (72°F)  
Chance of RainChance of Rain 27%  
PrecipitationPrecipitation 58 mm (2.3 in)  
Rainy daysRainy days 8 days  

Best Places 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. See all of the United States of America in September →

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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 (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Watertown in September

For Watertown in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.

What To Do in Watertown in September

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

Cycling
10/10
Walking
10/10
Camping
4/10
Outdoor sports
10/10

Select a Month

Check the conditions for any month of the year.

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