Measurements:
°C
°F
CURRENT WEATHER
11:12
Montauk
64°F
W 10 mph
Feels like: 64°F
Precip: 5%
World Resorts USA Montauk Weather

7 Day Weather Forecast

09.15
tue
DAY
64°F
W 10 mph
precip
5%
NIGHT
66°F
NW 9 mph
precip
5%
09.16
wed
DAY
70°F
NE 11 mph
precip
6%
NIGHT
70°F
NE 11 mph
precip
10%
09.17
thu
DAY
72°F
N 13 mph
precip
12%
NIGHT
72°F
NE 15 mph
precip
23%
09.18
fri
DAY
72°F
SE 13 mph
precip
22%
NIGHT
68°F
SW 21 mph
precip
13%
09.19
sat
DAY
62°F
W 14 mph
precip
8%
NIGHT
66°F
NW 16 mph
precip
15%
09.20
sun
DAY
70°F
N 24 mph
precip
87%
NIGHT
62°F
S 21 mph
precip
27%
09.21
mon
DAY
64°F
SW 16 mph
precip
13%
NIGHT
66°F
W 16 mph
precip
17%

Montauk Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Montauk was 21.1°F. The maximum and minimum values were 20.6°F and 21.5°F respectively.

Montauk on the Weather Map

Best Time to Visit Montauk
The most sunny months:
November 16 days
September 14 days
December 14 days
The most warm months:
July 80.0 °F
August 79.0 °F
June 72.5 °F
Warmest sea temperature:
August 72.6 °F
September 71.0 °F
July 70.2 °F
The most cold months:
January 35.1 °F
February 35.3 °F
December 41.0 °F
The most rainy months:
October 4 days
November 3 days
March 3 days
The most windy months:
December 14 mph
January 14 mph
March 13 mph
more details