Measurements:
°C
°F
CURRENT WEATHER
10:32
Provincetown
62°F
SW 12 mph
Feels like: 62°F
Precip: 5%
World Resorts USA Provincetown Weather

7 Day Weather Forecast

09.15
tue
DAY
62°F
SW 12 mph
precip
5%
NIGHT
62°F
N 9 mph
precip
6%
09.16
wed
DAY
66°F
NE 12 mph
precip
21%
NIGHT
66°F
NE 11 mph
precip
12%
09.17
thu
DAY
68°F
S 3 mph
precip
17%
NIGHT
70°F
NE 14 mph
precip
29%
09.18
fri
DAY
68°F
SE 14 mph
precip
16%
NIGHT
62°F
SW 26 mph
precip
4%
09.19
sat
DAY
58°F
SW 9 mph
precip
13%
NIGHT
60°F
N 15 mph
precip
17%
09.20
sun
DAY
62°F
N 25 mph
precip
84%
NIGHT
62°F
S 26 mph
precip
32%
09.21
mon
DAY
60°F
SW 16 mph
precip
22%
NIGHT
62°F
W 13 mph
precip
10%

Provincetown Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Provincetown was 19.5°F. The maximum and minimum values were 18.1°F and 21.3°F respectively.

Provincetown on the Weather Map

Best Time to Visit Provincetown
The most sunny months:
November 15 days
June 14 days
September 13 days
The most warm months:
July 77.3 °F
August 76.5 °F
September 70.7 °F
Warmest sea temperature:
August 70.6 °F
July 69.4 °F
September 67.0 °F
The most cold months:
January 34.0 °F
February 34.3 °F
December 39.8 °F
The most rainy months:
October 3 days
December 3 days
September 2 days
The most windy months:
December 15 mph
January 15 mph
February 14 mph
more details