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Monthly Historical Averages
St. John's, NL
Your 2026 Fall Forecast is here!
Content continues below
September
Average Temperature
High
15°
Feels 14
Low
11°
Feels 8
Average Precipitation
11 Days
Rain amount
78.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
16°
11
18°
12
13°
13
16°
14
17°
15
16°
16
15°
17
15°
18
14°
19
16°
20
14°
21
14°
22
13°
23
13°
24
12°
25
26
27
28
29
30
Forecast
Thursday, September 10, 2026
Day
16°
Feels 14
Wind
33 km/h S
Gust
51 km/h
Humidity
56%
P.O.P
20%
Night
13°
Feels 10
Wind
44 km/h S
Gust
66 km/h
Humidity
94%
P.O.P
90%
Rain
~5 mm
Historical Averages
Sep 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.