The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
St.John's Airport, NL
Content continues below
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
18°
5
15°
6
14°
7
16°
8
15°
9
12°
10
15°
11
15°
12
14°
13
14°
14
15°
15
15°
16
15°
17
14°
18
14°
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Friday, September 4, 2026
Day
18°
Feels 20
Wind
20 km/h W
Gust
30 km/h
Humidity
68%
P.O.P
30%
Night
12°
Feels 10
Wind
20 km/h S
Gust
29 km/h
Humidity
94%
P.O.P
30%
Historical Averages
Sep 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
15°
Feels 14
Low
11°
Feels 9
Average Precipitation
11 Days
Rain amount
79.2mm
Snow amount
0cm