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September weather forecast in Thunder Bay
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
1
+19
+16
1 September, sun
+19
+16
Feels like
+18
730 mmHg
68%
5.5
m/s
SW
1 September, Sunday. day, 19°; night, 16°; clear
2
+20
+16
2 September, mon
+20
+16
Feels like
+18
729 mmHg
68%
6.1
m/s
SW
2 September, Monday. day, 20°; night, 16°; rain
3
+17
+15
3 September, tue
+17
+15
Feels like
+15
730 mmHg
68%
6.1
m/s
NW
3 September, Tuesday. day, 17°; night, 15°; partly cloudy
4
+16
+13
4 September, wed
+16
+13
Feels like
+14
731 mmHg
70%
4.8
m/s
W
4 September, Wednesday. day, 16°; night, 13°; partly cloudy
5
+18
+13
5 September, thu
+18
+13
Feels like
+16
730 mmHg
70%
5.1
m/s
SW
5 September, Thursday. day, 18°; night, 13°; partly cloudy
6
+17
+15
6 September, fri
+17
+15
Feels like
+16
730 mmHg
75%
4.6
m/s
N
6 September, Friday. day, 17°; night, 15°; clear
7
+17
+14
7 September, sat
+17
+14
Feels like
+15
732 mmHg
70%
4.6
m/s
W
7 September, Saturday. day, 17°; night, 14°; partly cloudy
8
+17
+13
8 September, sun
+17
+13
Feels like
+15
731 mmHg
72%
5
m/s
W
8 September, Sunday. day, 17°; night, 13°; clear
9
+16
+12
9 September, mon
+16
+12
Feels like
+14
732 mmHg
74%
5.5
m/s
N
9 September, Monday. day, 16°; night, 12°; partly cloudy
10
+17
+14
10 September, tue
+17
+14
Feels like
+15
731 mmHg
67%
5.6
m/s
SW
10 September, Tuesday. day, 17°; night, 14°; partly cloudy
11
+17
+13
11 September, wed
+17
+13
Feels like
+14
730 mmHg
68%
5.5
m/s
SW
11 September, Wednesday. day, 17°; night, 13°; partly cloudy
12
+17
+13
12 September, thu
+17
+13
Feels like
+14
729 mmHg
67%
6.4
m/s
SW
12 September, Thursday. day, 17°; night, 13°; clear
13
+15
+12
13 September, fri
+15
+12
Feels like
+13
730 mmHg
68%
5.6
m/s
W
13 September, Friday. day, 15°; night, 12°; clear
14
+13
+11
14 September, sat
+13
+11
Feels like
+10
734 mmHg
72%
5.8
m/s
N
14 September, Saturday. day, 13°; night, 11°; partly cloudy
15
+15
+10
15 September, sun
+15
+10
Feels like
+12
734 mmHg
69%
5.5
m/s
S
15 September, Sunday. day, 15°; night, 10°; partly cloudy
16
+15
+12
16 September, mon
+15
+12
Feels like
+12
730 mmHg
75%
6.1
m/s
S
16 September, Monday. day, 15°; night, 12°; clear
17
+13
+12
17 September, tue
+13
+12
Feels like
+10
732 mmHg
72%
5
m/s
SW
17 September, Tuesday. day, 13°; night, 12°; partly cloudy
18
+15
+10
18 September, wed
+15
+10
Feels like
+12
730 mmHg
73%
5.5
m/s
S
18 September, Wednesday. day, 15°; night, 10°; partly cloudy
19
+17
+13
19 September, thu
+17
+13
Feels like
+14
726 mmHg
70%
6.6
m/s
S
19 September, Thursday. day, 17°; night, 13°; clear
20
+14
+13
20 September, fri
+14
+13
Feels like
+10
728 mmHg
67%
6.5
m/s
W
20 September, Friday. day, 14°; night, 13°; rain
21
+14
+11
21 September, sat
+14
+11
Feels like
+11
732 mmHg
70%
5
m/s
W
21 September, Saturday. day, 14°; night, 11°; clear
22
+14
+11
22 September, sun
+14
+11
Feels like
+12
734 mmHg
75%
4.9
m/s
NE
22 September, Sunday. day, 14°; night, 11°; overcast
23
+15
+12
23 September, mon
+15
+12
Feels like
+12
733 mmHg
76%
5.9
m/s
E
23 September, Monday. day, 15°; night, 12°; rain
24
+14
+12
24 September, tue
+14
+12
Feels like
+12
733 mmHg
75%
5.8
m/s
SE
24 September, Tuesday. day, 14°; night, 12°; partly cloudy
25
+14
+11
25 September, wed
+14
+11
Feels like
+11
732 mmHg
79%
4.6
m/s
S
25 September, Wednesday. day, 14°; night, 11°; clear
26
+15
+12
26 September, thu
+15
+12
Feels like
+12
727 mmHg
73%
5.6
m/s
SW
26 September, Thursday. day, 15°; night, 12°; rain
27
+15
+13
27 September, fri
+15
+13
Feels like
+11
728 mmHg
74%
6.5
m/s
NW
27 September, Friday. day, 15°; night, 13°; clear
28
+12
+9
28 September, sat
+12
+9
Feels like
+7
732 mmHg
70%
7.4
m/s
N
28 September, Saturday. day, 12°; night, 9°; partly cloudy
29
+12
+9
29 September, sun
+12
+9
Feels like
+8
734 mmHg
72%
5
m/s
N
29 September, Sunday. day, 12°; night, 9°; clear
30
+12
+9
30 September, mon
+12
+9
Feels like
+8
733 mmHg
70%
5.8
m/s
E
30 September, Monday. day, 12°; night, 9°; partly cloudy
1
+12
+10
1 October, tue
+12
+10
Feels like
+9
733 mmHg
69%
5.5
m/s
NE
1 October, Tuesday. day, 12°; night, 10°; overcast
2
+12
+10
2 October, wed
+12
+10
Feels like
+8
731 mmHg
76%
5.8
m/s
NE
2 October, Wednesday. day, 12°; night, 10°; clear
3
+12
+9
3 October, thu
+12
+9
Feels like
+8
732 mmHg
72%
5.4
m/s
NW
3 October, Thursday. day, 12°; night, 9°; partly cloudy
4
+11
+9
4 October, fri
+11
+9
Feels like
+7
731 mmHg
74%
6
m/s
S
4 October, Friday. day, 11°; night, 9°; overcast
5
+11
+9
5 October, sat
+11
+9
Feels like
+6
727 mmHg
75%
6.4
m/s
SW
5 October, Saturday. day, 11°; night, 9°; partly cloudy
Average data for 10 years
Thunder Bay September
11
sunny days
4
days with precipitation
15
cloudy days
11 sunny days; 4 days with precipitation; 15 cloudy days;
72
%
air humidity
4
m/s
Wind
W
48
mm of precipitation
(8% of annual average)
air humidity 72%; 48 millimeters of precipitation (8% of annual average); Wind westerly 4 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
NW
W
SW
N
W
W
N
SW
SW
SW
W
N
S
S
SW
S
S
W
W
NE
E
SE
S
SW
NW
N
N
E
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Daytime temperature
Night-time temperature
Cities near you
Duluth
Medford
Ashland
Minocqua
Cloquet
Marshfield
Spooner
Hayward
Stevens Point
Cities with similar weather in September
Helsinki
Riga
Tallinn
Stockholm
Oslo
Yurmala
Palanga
Dublin
Copenhagen
