Weather in Saint John in Autumn
September | October | November | ||||
Average day temperature: | 66.3°F | 56.1°F | 42.3°F | |||
Average night temperature: | 54.2°F | 46.3°F | 35.5°F | |||
Sea water temperature: | 58.3°F | 55.8°F | 51.0°F | |||
Number of sunny days: | 10 days | 9 days | 7 days | |||
Day length: | 11.7 - 13.3 h. | 10.2 - 11.7 h. | 9.0 - 10.1 h. | |||
Number of rainy days: | 2 days | 3 days | 1 day | |||
Precipitation totals: | 1.2 in. | 1.2 in. | 1.0 in. |
current
weather
weather
Saint John |
monthly
weather
weather
Saint John |
sea water
temperature
temperature
Saint John |
14 days
forecast
forecast
Saint John |
Day & Night air temperature, °F
September
October
November
0
11
22
33
44
55
66
77
88
42.3
56.1
66.3
35.5
46.3
54.2
Day temperature | Night temperature |
Sea water temperature, °F
September
October
November
0
10
20
30
40
50
60
70
51
55.8
58.3
Precipitation total, in.
September
October
November
0.0
0.2
0.4
0.6
0.8
1.0
1.3
1.5
1
1.2
1.2
Sunny, partly cloudy and cloudy days
September
October
November
0
5
10
15
20
25
30
35
12
13
11
10
10
9
7
9
10
Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
Saint John |
weather in
spring
spring
Saint John |
weather in
summer
summer
Saint John |
weather in
autumn
autumn
Saint John |
Wind speed, mph
September
October
November
0.0
1.4
2.8
4.2
5.6
7.0
8.4
9.9
8.2
6.7
6.7
Average sunny hours
September
October
November
0
1
2
3
4
5
6
7
4.6
5.2
6.3
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Saint John
Saint John on a weather map
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Places in Canada:
Name
°F
24 Hours Forecast
Saint John
Local time: 04:31
April 02, wednesday
0600

19°F
SE
12 mph
12 mph
0900

23°F
SE
14 mph
14 mph
1200

30°F
SE
12 mph
12 mph
1500

37°F
E
4 mph
4 mph
1800

34°F
SE
7 mph
7 mph
2100

28°F
S
3 mph
3 mph
April 03, thursday
0000

27°F
W
3 mph
3 mph
0300

27°F
W
4 mph
4 mph