10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
September weather forecast in Boston
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
+24
+20
1 September, sun
+24
+20
Feels like
+25
759 mmHg
69%
4.3
m/s
SW
1 September, Sunday. day, 24°; night, 20°; clear
2
+23
+19
2 September, mon
+23
+19
Feels like
+23
757 mmHg
75%
4.6
m/s
SW
2 September, Monday. day, 23°; night, 19°; partly cloudy
3
+23
+18
3 September, tue
+23
+18
Feels like
+23
758 mmHg
69%
4.8
m/s
W
3 September, Tuesday. day, 23°; night, 18°; clear
4
+24
+19
4 September, wed
+24
+19
Feels like
+24
759 mmHg
72%
5.4
m/s
SW
4 September, Wednesday. day, 24°; night, 19°; clear
5
+22
+19
5 September, thu
+22
+19
Feels like
+22
760 mmHg
70%
6.3
m/s
W
5 September, Thursday. day, 22°; night, 19°; rain
6
+23
+17
6 September, fri
+23
+17
Feels like
+23
759 mmHg
75%
5.1
m/s
SW
6 September, Friday. day, 23°; night, 17°; clear
7
+23
+18
7 September, sat
+23
+18
Feels like
+24
758 mmHg
73%
4.9
m/s
NW
7 September, Saturday. day, 23°; night, 18°; partly cloudy
8
+22
+18
8 September, sun
+22
+18
Feels like
+21
759 mmHg
70%
5.4
m/s
W
8 September, Sunday. day, 22°; night, 18°; partly cloudy
9
+21
+18
9 September, mon
+21
+18
Feels like
+20
759 mmHg
75%
5
m/s
N
9 September, Monday. day, 21°; night, 18°; rain
10
+21
+17
10 September, tue
+21
+17
Feels like
+20
760 mmHg
73%
5.5
m/s
N
10 September, Tuesday. day, 21°; night, 17°; partly cloudy
11
+22
+17
11 September, wed
+22
+17
Feels like
+21
759 mmHg
69%
5.3
m/s
W
11 September, Wednesday. day, 22°; night, 17°; partly cloudy
12
+21
+16
12 September, thu
+21
+16
Feels like
+20
758 mmHg
74%
4.6
m/s
SW
12 September, Thursday. day, 21°; night, 16°; rain
13
+22
+17
13 September, fri
+22
+17
Feels like
+22
758 mmHg
70%
5.4
m/s
W
13 September, Friday. day, 22°; night, 17°; partly cloudy
14
+22
+17
14 September, sat
+22
+17
Feels like
+22
759 mmHg
72%
5
m/s
W
14 September, Saturday. day, 22°; night, 17°; clear
15
+19
+16
15 September, sun
+19
+16
Feels like
+17
761 mmHg
69%
5.5
m/s
NW
15 September, Sunday. day, 19°; night, 16°; partly cloudy
16
+19
+15
16 September, mon
+19
+15
Feels like
+18
763 mmHg
69%
5
m/s
NW
16 September, Monday. day, 19°; night, 15°; rain
17
+20
+15
17 September, tue
+20
+15
Feels like
+20
762 mmHg
68%
4.4
m/s
SW
17 September, Tuesday. day, 20°; night, 15°; clear
18
+19
+15
18 September, wed
+19
+15
Feels like
+17
762 mmHg
70%
5.6
m/s
NW
18 September, Wednesday. day, 19°; night, 15°; clear
19
+19
+16
19 September, thu
+19
+16
Feels like
+18
761 mmHg
72%
5.8
m/s
NW
19 September, Thursday. day, 19°; night, 16°; clear
20
+20
+16
20 September, fri
+20
+16
Feels like
+18
762 mmHg
70%
5.4
m/s
NE
20 September, Friday. day, 20°; night, 16°; clear
21
+21
+17
21 September, sat
+21
+17
Feels like
+20
760 mmHg
72%
5.1
m/s
NW
21 September, Saturday. day, 21°; night, 17°; partly cloudy
22
+19
+16
22 September, sun
+19
+16
Feels like
+19
762 mmHg
73%
4.9
m/s
NW
22 September, Sunday. day, 19°; night, 16°; clear
23
+21
+17
23 September, mon
+21
+17
Feels like
+20
762 mmHg
69%
5
m/s
NW
23 September, Monday. day, 21°; night, 17°; clear
24
+19
+16
24 September, tue
+19
+16
Feels like
+18
762 mmHg
68%
4.3
m/s
N
24 September, Tuesday. day, 19°; night, 16°; partly cloudy
25
+18
+14
25 September, wed
+18
+14
Feels like
+16
763 mmHg
68%
5
m/s
N
25 September, Wednesday. day, 18°; night, 14°; clear
26
+19
+15
26 September, thu
+19
+15
Feels like
+18
761 mmHg
80%
5
m/s
SE
26 September, Thursday. day, 19°; night, 15°; clear
27
+21
+17
27 September, fri
+21
+17
Feels like
+21
758 mmHg
79%
4.5
m/s
S
27 September, Friday. day, 21°; night, 17°; rain
28
+19
+16
28 September, sat
+19
+16
Feels like
+18
758 mmHg
81%
5.4
m/s
SE
28 September, Saturday. day, 19°; night, 16°; rain
29
+17
+16
29 September, sun
+17
+16
Feels like
+16
758 mmHg
85%
5.6
m/s
NE
29 September, Sunday. day, 17°; night, 16°; rain
30
+16
+14
30 September, mon
+16
+14
Feels like
+14
758 mmHg
81%
5.6
m/s
N
30 September, Monday. day, 16°; night, 14°; clear
1
+16
+14
1 October, tue
+16
+14
Feels like
+14
759 mmHg
77%
6.1
m/s
N
1 October, Tuesday. day, 16°; night, 14°; rain
2
+16
+13
2 October, wed
+16
+13
Feels like
+14
761 mmHg
79%
6
m/s
NE
2 October, Wednesday. day, 16°; night, 13°; rain
3
+16
+14
3 October, thu
+16
+14
Feels like
+14
759 mmHg
82%
5.4
m/s
N
3 October, Thursday. day, 16°; night, 14°; rain
4
+17
+14
4 October, fri
+17
+14
Feels like
+14
760 mmHg
75%
6
m/s
NW
4 October, Friday. day, 17°; night, 14°; clear
5
+16
+13
5 October, sat
+16
+13
Feels like
+14
761 mmHg
70%
5.4
m/s
NW
5 October, Saturday. day, 16°; night, 13°; partly cloudy
Average data for 10 years
Boston September
14
sunny days
7
days with precipitation
9
cloudy days
14 sunny days; 7 days with precipitation; 9 cloudy days;
73
%
air humidity
3.7
m/s
Wind
W
67
mm of precipitation
(7% of annual average)
air humidity 73%; 67 millimeters of precipitation (7% of annual average); Wind westerly 3.7 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
W
SW
W
SW
NW
W
N
N
W
SW
W
W
NW
NW
SW
NW
NW
NE
NW
NW
NW
N
N
SE
S
SE
NE
N
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
New York
Islandia
Jamaica
New Haven
Nantucket
Mamaroneck
Portland
Concord
Armonk
Cities with similar weather in September
Varna
Podgorica
Toronto
The Golden Sands
Chicago
Genoa
Seattle
Albena
San Remo
