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September weather forecast in Princeton
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
31
+18
+6
31 August, sun
+18
+6
Feels like
+8
649 mmHg
72%
3.5
m/s
SW
31 August, Sunday. day, 18°; night, 6°; rain
1
+18
+5
1 September, mon
+18
+5
Feels like
+8
649 mmHg
71%
3.5
m/s
SW
1 September, Monday. day, 18°; night, 5°; partly cloudy
2
+19
+5
2 September, tue
+19
+5
Feels like
+8
649 mmHg
68%
3.3
m/s
SW
2 September, Tuesday. day, 19°; night, 5°; partly cloudy
3
+19
+6
3 September, wed
+19
+6
Feels like
+9
649 mmHg
68%
3.1
m/s
SW
3 September, Wednesday. day, 19°; night, 6°; rain
4
+18
+5
4 September, thu
+18
+5
Feels like
+8
650 mmHg
68%
3
m/s
SW
4 September, Thursday. day, 18°; night, 5°; partly cloudy
5
+18
+5
5 September, fri
+18
+5
Feels like
+8
650 mmHg
69%
3.2
m/s
SW
5 September, Friday. day, 18°; night, 5°; clear
6
+18
+5
6 September, sat
+18
+5
Feels like
+8
650 mmHg
69%
3.1
m/s
SW
6 September, Saturday. day, 18°; night, 5°; clear
7
+18
+5
7 September, sun
+18
+5
Feels like
+8
650 mmHg
68%
3.4
m/s
SW
7 September, Sunday. day, 18°; night, 5°; clear
8
+18
+5
8 September, mon
+18
+5
Feels like
+8
649 mmHg
68%
3.3
m/s
S
8 September, Monday. day, 18°; night, 5°; rain
9
+18
+5
9 September, tue
+18
+5
Feels like
+8
649 mmHg
70%
3.4
m/s
SW
9 September, Tuesday. day, 18°; night, 5°; clear
10
+18
+5
10 September, wed
+18
+5
Feels like
+7
649 mmHg
68%
3.2
m/s
S
10 September, Wednesday. day, 18°; night, 5°; clear
11
+18
+5
11 September, thu
+18
+5
Feels like
+8
650 mmHg
67%
3.3
m/s
S
11 September, Thursday. day, 18°; night, 5°; clear
12
+18
+5
12 September, fri
+18
+5
Feels like
+8
650 mmHg
68%
3.3
m/s
SW
12 September, Friday. day, 18°; night, 5°; clear
13
+18
+5
13 September, sat
+18
+5
Feels like
+8
649 mmHg
69%
3
m/s
S
13 September, Saturday. day, 18°; night, 5°; clear
14
+18
+5
14 September, sun
+18
+5
Feels like
+8
648 mmHg
67%
2.9
m/s
S
14 September, Sunday. day, 18°; night, 5°; partly cloudy
15
+17
+5
15 September, mon
+17
+5
Feels like
+7
647 mmHg
71%
2.9
m/s
S
15 September, Monday. day, 17°; night, 5°; rain
16
+16
+4
16 September, tue
+16
+4
Feels like
+6
647 mmHg
71%
3
m/s
SW
16 September, Tuesday. day, 16°; night, 4°; rain
17
+15
+4
17 September, wed
+15
+4
Feels like
+6
647 mmHg
72%
3.2
m/s
SW
17 September, Wednesday. day, 15°; night, 4°; overcast
18
+14
+4
18 September, thu
+14
+4
Feels like
+5
647 mmHg
76%
3.3
m/s
S
18 September, Thursday. day, 14°; night, 4°; rain
19
+13
+4
19 September, fri
+13
+4
Feels like
+5
648 mmHg
77%
3.4
m/s
SW
19 September, Friday. day, 13°; night, 4°; rain
20
+14
+3
20 September, sat
+14
+3
Feels like
+4
649 mmHg
74%
3.2
m/s
S
20 September, Saturday. day, 14°; night, 3°; overcast
21
+15
+2
21 September, sun
+15
+2
Feels like
+4
650 mmHg
71%
3.3
m/s
S
21 September, Sunday. day, 15°; night, 2°; partly cloudy
22
+16
+3
22 September, mon
+16
+3
Feels like
+5
649 mmHg
68%
3.3
m/s
S
22 September, Monday. day, 16°; night, 3°; clear
23
+15
+4
23 September, tue
+15
+4
Feels like
+5
649 mmHg
71%
3.3
m/s
S
23 September, Tuesday. day, 15°; night, 4°; partly cloudy
24
+16
+3
24 September, wed
+16
+3
Feels like
+5
649 mmHg
71%
3.2
m/s
S
24 September, Wednesday. day, 16°; night, 3°; clear
25
+15
+4
25 September, thu
+15
+4
Feels like
+6
648 mmHg
72%
3.4
m/s
SW
25 September, Thursday. day, 15°; night, 4°; rain
26
+15
+3
26 September, fri
+15
+3
Feels like
+5
649 mmHg
76%
3.2
m/s
SW
26 September, Friday. day, 15°; night, 3°; rain
27
+14
+3
27 September, sat
+14
+3
Feels like
+5
649 mmHg
74%
3.2
m/s
S
27 September, Saturday. day, 14°; night, 3°; partly cloudy
28
+15
+3
28 September, sun
+15
+3
Feels like
+4
649 mmHg
72%
3.3
m/s
S
28 September, Sunday. day, 15°; night, 3°; partly cloudy
29
+14
+3
29 September, mon
+14
+3
Feels like
+4
648 mmHg
72%
3.3
m/s
S
29 September, Monday. day, 14°; night, 3°; overcast
30
+13
+3
30 September, tue
+13
+3
Feels like
+4
648 mmHg
74%
3.3
m/s
S
30 September, Tuesday. day, 13°; night, 3°; rain
1
+12
+2
1 October, wed
+12
+2
Feels like
+3
648 mmHg
73%
3.2
m/s
S
1 October, Wednesday. day, 12°; night, 2°; clear
2
+12
+2
2 October, thu
+12
+2
Feels like
+2
648 mmHg
74%
3.1
m/s
S
2 October, Thursday. day, 12°; night, 2°; partly cloudy
3
+11
+1
3 October, fri
+11
+1
Feels like
+2
648 mmHg
74%
3
m/s
S
3 October, Friday. day, 11°; night, 1°; clear
4
+11
+1
4 October, sat
+11
+1
Feels like
+2
648 mmHg
74%
3
m/s
S
4 October, Saturday. day, 11°; night, 1°; clear
Average data for 10 years
Princeton September
10
sunny days
9
days with precipitation
7
cloudy days
10 sunny days; 9 days with precipitation; 7 cloudy days;
71
%
air humidity
1.8
m/s
Wind
S
49
mm of precipitation
(6% of annual average)
air humidity 71%; 49 millimeters of precipitation (6% of annual average); Wind southerly 1.8 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
SW
SW
SW
SW
SW
S
SW
S
S
SW
S
S
S
SW
SW
S
SW
S
S
S
S
S
SW
SW
S
S
S
S
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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