Measurements:
°C
°F
CURRENT WEATHER
19:41
Moncton
52°F
W 9 mph
Feels like: 50°F
Precip: 48%
World Resorts Canada Moncton Weather

7 Day Weather Forecast

09.28
mon
DAY
64°F
W 12 mph
precip
14%
NIGHT
54°F
W 7 mph
precip
48%
09.29
tue
DAY
58°F
SW 4 mph
precip
81%
NIGHT
54°F
S 7 mph
precip
54%
09.30
wed
DAY
56°F
S 6 mph
precip
41%
NIGHT
54°F
NE 3 mph
precip
39%
10.01
thu
DAY
70°F
E 8 mph
precip
4%
NIGHT
64°F
NE 11 mph
precip
18%
10.02
fri
DAY
68°F
E 8 mph
precip
22%
NIGHT
52°F
E 6 mph
precip
23%
10.03
sat
DAY
52°F
SE 12 mph
precip
1%
NIGHT
38°F
E 6 mph
precip
8%
10.04
sun
DAY
48°F
E 6 mph
precip
1%
NIGHT
42°F
N 5 mph
precip
17%

Moncton Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Moncton was 15.9°F. The maximum and minimum values were 14.3°F and 18.5°F respectively.

Moncton on the Weather Map

Best Time to Visit Moncton
The most sunny months:
October 12 days
August 12 days
September 11 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 62.9 °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