Southold
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Southold Weather in September

With daytime temperatures of 23°C (73°F) and nighttime lows of 15°C (59°F), September in Southold brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 108 mm (4.3 in) falls on average.

Rainfall in Southold in September

Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 108 mm (4.3 in) on average. 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 Southold in September

Expect highs of 23°C (73°F) in Southold in September, with nights dropping to around 15°C (59°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Southold.

Southold Temperature in September

Min Temperature
15°C (59°F)
Max Temperature
23°C (73°F)
Chance of Rain
31%
Precipitation
108 mm (4.3 in)
Rainy days
9 days

Southold Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Southold - 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 Southold 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.

What To Do in Southold in September

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

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    6/10
  • Outdoor sports
    9/10

Southold 3-Day Forecast

More climate data for Southold

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.