Measurements:
°C
°F
Saint John
32°F
S 9 mph
Feels like: 24°F
Precip: 0%
World Resorts Canada Saint John Weather September Weather in Saint John

Saint John Weather: September

Average Day Temperature: 68.2°F
Average Night Temperature: 54.7°F
Sea Water Temperature: 59.3°F
Number of Sunny Days: 10 days
Sunshine Hours: 11.7 - 13.3 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.2 in

Air Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day Temperature   
Night Temperature

The highest day temperature in September 2024 was 73°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 67.3°F и 54.0°F respectivly.

Saint John Water Sea Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
52
55
58
61
64
67
70

The average sea surface temperature in September 2024 for Saint John was 59.5°F. The maximum and minimum values were 56.8°F and 62.0°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
33%
30%
37%

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.3
0.6
0.9
1.3
1.6
1.9
2.2

Precipitation total in September for Saint John is 1.2 in.

Wind Speed in September, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.0
4.5
6.1
7.6
9.1
10.6

The average wind speed in September is 6.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.2
2.4
3.6
4.7
5.9
7.1
8.3

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Saint John in September is 6.5 hours.

Best Time to Visit Saint John
The most sunny months:
September 10 days
August 9 days
October 9 days
The most warm months:
July 76.3 °F
August 75.0 °F
June 70.6 °F
Warmest sea temperature:
August 60.6 °F
September 59.3 °F
July 58.0 °F
The most cold months:
January 22.9 °F
February 23.2 °F
December 31.4 °F
The most rainy months:
July 4 days
March 3 days
October 3 days
The most windy months:
March 9 mph
February 8 mph
December 8 mph

Saint John on the Weather Map

Canada Resorts:
NAME
Halifax +40
Moncton +32
Montreal +26
Nanaimo +36
Niagara Falls +32
Ottawa +28
Prince Edward Island +30
Quebec +22
St. John's +44
Sydney +46
Toronto +32
Vancouver +34
Victoria +40
Winnipeg +16
Yellowknife -26
24 Hours Weather Forecast
Saint John
Local time: 10:02
18 mar, tuesday
1200 34°F
S
7 mph
1500 38°F
SW
7 mph
1800 36°F
SW
7 mph
2100 32°F
W
6 mph
19 mar, wednesday
0000 30°F
S
3 mph
0300 28°F
SW
4 mph
0600 26°F
S
4 mph
0900 32°F
SW
5 mph