Typical Weather in Watertown, NY in September
71° F Avg High
52° F Avg Low
8 Rainy Days
☀️ Temperature Summary
Highs in September are typically around 71°F, which is warmer than usual in Watertown. You can expect overnight lows near 52°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 75°F and 64°F.
September is a great time to visit Watertown, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 26% chance of rain for any given day in September. It's one of the drier months of the year for Watertown, with total rainfall for the month around 4 inches.
Rainfall Throughout the Year
Planning a trip to Watertown? Try our free trip weather planner