Watertown
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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 excellent 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.

Watertown Temperature in September

Min Temperature
10°C (50°F)
Max Temperature
22°C (72°F)
Chance of Rain
27%
Precipitation
58 mm (2.3 in)
Rainy days
8 days

Watertown Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Watertown - and find the best time to visit.

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 →

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

Watertown 3-Day Forecast

More climate data for Watertown

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.