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September weather forecast in Philadelphia
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
+29
+24
1 September, sun
+29
+24
Feels like
+31
748 mmHg
66%
5.1
m/s
E
1 September, Sunday. day, 29°; night, 24°; rain
2
+30
+24
2 September, mon
+30
+24
Feels like
+32
747 mmHg
64%
5
m/s
NE
2 September, Monday. day, 30°; night, 24°; partly cloudy
3
+29
+24
3 September, tue
+29
+24
Feels like
+30
747 mmHg
62%
5.9
m/s
NE
3 September, Tuesday. day, 29°; night, 24°; clear
4
+28
+23
4 September, wed
+28
+23
Feels like
+29
747 mmHg
70%
5.6
m/s
NE
4 September, Wednesday. day, 28°; night, 23°; rain
5
+28
+22
5 September, thu
+28
+22
Feels like
+29
748 mmHg
64%
4.6
m/s
NE
5 September, Thursday. day, 28°; night, 22°; clear
6
+29
+22
6 September, fri
+29
+22
Feels like
+30
749 mmHg
61%
5
m/s
NE
6 September, Friday. day, 29°; night, 22°; clear
7
+29
+22
7 September, sat
+29
+22
Feels like
+31
749 mmHg
60%
4.8
m/s
NE
7 September, Saturday. day, 29°; night, 22°; clear
8
+29
+23
8 September, sun
+29
+23
Feels like
+31
748 mmHg
62%
5
m/s
E
8 September, Sunday. day, 29°; night, 23°; rain
9
+28
+23
9 September, mon
+28
+23
Feels like
+30
748 mmHg
68%
5.1
m/s
E
9 September, Monday. day, 28°; night, 23°; rain
10
+28
+23
10 September, tue
+28
+23
Feels like
+30
748 mmHg
67%
4.9
m/s
N
10 September, Tuesday. day, 28°; night, 23°; rain
11
+26
+23
11 September, wed
+26
+23
Feels like
+27
748 mmHg
68%
5.3
m/s
NE
11 September, Wednesday. day, 26°; night, 23°; partly cloudy
12
+26
+21
12 September, thu
+26
+21
Feels like
+26
748 mmHg
66%
5.8
m/s
E
12 September, Thursday. day, 26°; night, 21°; rain
13
+28
+22
13 September, fri
+28
+22
Feels like
+29
749 mmHg
62%
5.5
m/s
E
13 September, Friday. day, 28°; night, 22°; clear
14
+28
+22
14 September, sat
+28
+22
Feels like
+29
749 mmHg
63%
5.5
m/s
E
14 September, Saturday. day, 28°; night, 22°; clear
15
+28
+22
15 September, sun
+28
+22
Feels like
+29
750 mmHg
62%
5.1
m/s
NE
15 September, Sunday. day, 28°; night, 22°; clear
16
+29
+22
16 September, mon
+29
+22
Feels like
+31
749 mmHg
68%
4.8
m/s
NE
16 September, Monday. day, 29°; night, 22°; clear
17
+28
+23
17 September, tue
+28
+23
Feels like
+30
748 mmHg
74%
4.9
m/s
E
17 September, Tuesday. day, 28°; night, 23°; rain
18
+27
+23
18 September, wed
+27
+23
Feels like
+29
748 mmHg
70%
4.8
m/s
E
18 September, Wednesday. day, 27°; night, 23°; clear
19
+27
+22
19 September, thu
+27
+22
Feels like
+29
748 mmHg
69%
4.6
m/s
NE
19 September, Thursday. day, 27°; night, 22°; rain
20
+27
+22
20 September, fri
+27
+22
Feels like
+28
749 mmHg
63%
5
m/s
NE
20 September, Friday. day, 27°; night, 22°; clear
21
+27
+22
21 September, sat
+27
+22
Feels like
+28
749 mmHg
60%
5.1
m/s
NE
21 September, Saturday. day, 27°; night, 22°; clear
22
+27
+21
22 September, sun
+27
+21
Feels like
+29
749 mmHg
62%
5
m/s
NE
22 September, Sunday. day, 27°; night, 21°; rain
23
+27
+22
23 September, mon
+27
+22
Feels like
+29
750 mmHg
62%
4.8
m/s
E
23 September, Monday. day, 27°; night, 22°; rain
24
+27
+22
24 September, tue
+27
+22
Feels like
+27
749 mmHg
58%
5.6
m/s
NE
24 September, Tuesday. day, 27°; night, 22°; clear
25
+27
+22
25 September, wed
+27
+22
Feels like
+28
748 mmHg
63%
5
m/s
N
25 September, Wednesday. day, 27°; night, 22°; clear
26
+26
+21
26 September, thu
+26
+21
Feels like
+27
748 mmHg
62%
5
m/s
N
26 September, Thursday. day, 26°; night, 21°; clear
27
+26
+20
27 September, fri
+26
+20
Feels like
+27
747 mmHg
62%
5.1
m/s
N
27 September, Friday. day, 26°; night, 20°; clear
28
+26
+20
28 September, sat
+26
+20
Feels like
+26
747 mmHg
56%
5.4
m/s
N
28 September, Saturday. day, 26°; night, 20°; clear
29
+24
+20
29 September, sun
+24
+20
Feels like
+23
748 mmHg
58%
6.4
m/s
N
29 September, Sunday. day, 24°; night, 20°; rain
30
+25
+19
30 September, mon
+25
+19
Feels like
+23
748 mmHg
60%
5.8
m/s
NE
30 September, Monday. day, 25°; night, 19°; clear
1
+23
+18
1 October, tue
+23
+18
Feels like
+21
747 mmHg
63%
6.3
m/s
N
1 October, Tuesday. day, 23°; night, 18°; rain
2
+22
+17
2 October, wed
+22
+17
Feels like
+21
749 mmHg
58%
6
m/s
N
2 October, Wednesday. day, 22°; night, 17°; clear
3
+22
+17
3 October, thu
+22
+17
Feels like
+20
750 mmHg
56%
5.4
m/s
NE
3 October, Thursday. day, 22°; night, 17°; clear
4
+25
+17
4 October, fri
+25
+17
Feels like
+24
750 mmHg
56%
4.9
m/s
NE
4 October, Friday. day, 25°; night, 17°; clear
5
+26
+19
5 October, sat
+26
+19
Feels like
+26
749 mmHg
58%
5.4
m/s
E
5 October, Saturday. day, 26°; night, 19°; clear
Average data for 10 years
Philadelphia September
17
sunny days
11
days with precipitation
2
cloudy days
17 sunny days; 11 days with precipitation; 2 cloudy days;
63
%
air humidity
3.9
m/s
Wind
NE
115
mm of precipitation
(10% of annual average)
air humidity 63%; 115 millimeters of precipitation (10% of annual average); Wind north-easterly 3.9 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
E
NE
NE
NE
NE
NE
NE
E
E
N
NE
E
E
E
NE
NE
E
E
NE
NE
NE
NE
E
NE
N
N
N
N
N
NE
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
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