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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, Sunday. day, 24°; night, 20°; clear
2
+23
+19
2 September, Monday. day, 23°; night, 19°; partly cloudy
3
+23
+18
3 September, Tuesday. day, 23°; night, 18°; clear
4
+24
+19
4 September, Wednesday. day, 24°; night, 19°; clear
5
+22
+19
5 September, Thursday. day, 22°; night, 19°; rain
6
+23
+17
6 September, Friday. day, 23°; night, 17°; clear
7
+23
+18
7 September, Saturday. day, 23°; night, 18°; partly cloudy
8
+22
+18
8 September, Sunday. day, 22°; night, 18°; partly cloudy
9
+21
+18
9 September, Monday. day, 21°; night, 18°; rain
10
+21
+17
10 September, Tuesday. day, 21°; night, 17°; partly cloudy
11
+22
+17
11 September, Wednesday. day, 22°; night, 17°; partly cloudy
12
+21
+16
12 September, Thursday. day, 21°; night, 16°; rain
13
+22
+17
13 September, Friday. day, 22°; night, 17°; partly cloudy
14
+22
+17
14 September, Saturday. day, 22°; night, 17°; clear
15
+19
+16
15 September, Sunday. day, 19°; night, 16°; partly cloudy
16
+19
+15
16 September, Monday. day, 19°; night, 15°; rain
17
+20
+15
17 September, Tuesday. day, 20°; night, 15°; clear
18
+19
+15
18 September, Wednesday. day, 19°; night, 15°; clear
19
+19
+16
19 September, Thursday. day, 19°; night, 16°; clear
20
+20
+16
20 September, Friday. day, 20°; night, 16°; clear
21
+21
+17
21 September, Saturday. day, 21°; night, 17°; partly cloudy
22
+19
+16
22 September, Sunday. day, 19°; night, 16°; clear
23
+21
+17
23 September, Monday. day, 21°; night, 17°; clear
24
+19
+16
24 September, Tuesday. day, 19°; night, 16°; partly cloudy
25
+18
+14
25 September, Wednesday. day, 18°; night, 14°; clear
26
+19
+15
26 September, Thursday. day, 19°; night, 15°; clear
27
+21
+17
27 September, Friday. day, 21°; night, 17°; rain
28
+19
+16
28 September, Saturday. day, 19°; night, 16°; rain
29
+17
+16
29 September, Sunday. day, 17°; night, 16°; rain
30
+16
+14
30 September, Monday. day, 16°; night, 14°; clear
1
+16
+14
1 October, Tuesday. day, 16°; night, 14°; rain
2
+16
+13
2 October, Wednesday. day, 16°; night, 13°; rain
3
+16
+14
3 October, Thursday. day, 16°; night, 14°; rain
4
+17
+14
4 October, Friday. day, 17°; night, 14°; clear
5
+16
+13
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
Hartford
Colchester
Portland
Nantucket
Lake George
Greenwich
Queensbury
Cities with similar weather in September
Varna
Podgorica
Toronto
The Golden Sands
Chicago
Genoa
Seattle
Albena
San Remo