New Rochelle Weather in September

September in New Rochelle averages 25°C (77°F) during the day and 17°C (63°F) at night. Quite a bit of rainfall is typical this month, with around 100 mm (3.9 in) on average. An umbrella is a good idea.

Rainfall in New Rochelle in September

Records from the past 30 years suggest around 9 days of rain, with 100 mm (3.9 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in New Rochelle in September

September in New Rochelle sees highs of 25°C (77°F) and lows of 17°C (63°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in New Rochelle in September

Expect a lot of sunshine this month, with about 218 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in New Rochelle in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in September

The water sits at 20°C (68°F), which is a nice temperature for swimming. Not too cold, not too warm, most visitors are happy to spend time in the water.

So this is a great month to visit if you prefer dry days with pleasant temperatures.