Measurements:
°C
°F
CURRENT WEATHER
17:52
Moncton
54°F
S 9 mph
Feels like: 52°F
Precip: 6%
World Resorts Canada Moncton Weather

7 Day Weather Forecast

09.08
tue
DAY
62°F
SE 9 mph
precip
8%
NIGHT
44°F
E 4 mph
precip
14%
09.09
wed
DAY
60°F
E 4 mph
precip
12%
NIGHT
56°F
N 10 mph
precip
13%
09.10
thu
DAY
72°F
NE 13 mph
precip
11%
NIGHT
58°F
E 8 mph
precip
29%
09.11
fri
DAY
58°F
E 16 mph
precip
13%
NIGHT
46°F
E 5 mph
precip
12%
09.12
sat
DAY
60°F
E 6 mph
precip
14%
NIGHT
48°F
N 5 mph
precip
32%
09.13
sun
DAY
66°F
NE 12 mph
precip
11%
NIGHT
60°F
NE 11 mph
precip
13%
09.14
mon
DAY
74°F
NE 14 mph
precip
16%
NIGHT
58°F
S 5 mph
precip
52%

Moncton Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Moncton was 16.7°F. The maximum and minimum values were 15.4°F and 18.5°F respectively.

Moncton on the Weather Map

Best Time to Visit Moncton
The most sunny months:
September 12 days
October 12 days
August 12 days
The most warm months:
July 76.2 °F
August 75.8 °F
June 67.5 °F
Warmest sea temperature:
August 66.5 °F
July 63.3 °F
September 63.0 °F
The most cold months:
February 21.7 °F
January 21.9 °F
March 29.9 °F
The most rainy months:
August 3 days
June 3 days
December 2 days
The most windy months:
November 13 mph
December 12 mph
March 12 mph
more details