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September weather forecast in San Jose
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
+25
+18
31 August, sun
+25
+18
Feels like
+25
729 mmHg
52%
4
m/s
W
31 August, Sunday. day, 25°; night, 18°; clear
1
+25
+18
1 September, mon
+25
+18
Feels like
+25
730 mmHg
49%
3.4
m/s
W
1 September, Monday. day, 25°; night, 18°; clear
2
+25
+16
2 September, tue
+25
+16
Feels like
+24
730 mmHg
49%
3.9
m/s
W
2 September, Tuesday. day, 25°; night, 16°; clear
3
+23
+15
3 September, wed
+23
+15
Feels like
+22
730 mmHg
55%
3.9
m/s
W
3 September, Wednesday. day, 23°; night, 15°; clear
4
+23
+16
4 September, thu
+23
+16
Feels like
+23
730 mmHg
57%
3.9
m/s
W
4 September, Thursday. day, 23°; night, 16°; clear
5
+25
+18
5 September, fri
+25
+18
Feels like
+25
730 mmHg
46%
3.5
m/s
W
5 September, Friday. day, 25°; night, 18°; clear
6
+25
+17
6 September, sat
+25
+17
Feels like
+24
730 mmHg
47%
3.7
m/s
W
6 September, Saturday. day, 25°; night, 17°; clear
7
+24
+16
7 September, sun
+24
+16
Feels like
+24
730 mmHg
50%
3.5
m/s
W
7 September, Sunday. day, 24°; night, 16°; clear
8
+24
+17
8 September, mon
+24
+17
Feels like
+24
730 mmHg
52%
3.5
m/s
NW
8 September, Monday. day, 24°; night, 17°; clear
9
+25
+18
9 September, tue
+25
+18
Feels like
+25
730 mmHg
47%
3.7
m/s
NW
9 September, Tuesday. day, 25°; night, 18°; clear
10
+25
+17
10 September, wed
+25
+17
Feels like
+25
730 mmHg
50%
3.4
m/s
NW
10 September, Wednesday. day, 25°; night, 17°; clear
11
+23
+15
11 September, thu
+23
+15
Feels like
+23
731 mmHg
62%
3.9
m/s
NW
11 September, Thursday. day, 23°; night, 15°; clear
12
+21
+14
12 September, fri
+21
+14
Feels like
+21
730 mmHg
64%
3
m/s
W
12 September, Friday. day, 21°; night, 14°; clear
13
+20
+14
13 September, sat
+20
+14
Feels like
+19
730 mmHg
64%
3.5
m/s
W
13 September, Saturday. day, 20°; night, 14°; clear
14
+20
+14
14 September, sun
+20
+14
Feels like
+19
731 mmHg
63%
4.4
m/s
W
14 September, Sunday. day, 20°; night, 14°; clear
15
+21
+15
15 September, mon
+21
+15
Feels like
+20
731 mmHg
64%
4.4
m/s
W
15 September, Monday. day, 21°; night, 15°; clear
16
+22
+16
16 September, tue
+22
+16
Feels like
+21
731 mmHg
62%
4
m/s
W
16 September, Tuesday. day, 22°; night, 16°; clear
17
+23
+16
17 September, wed
+23
+16
Feels like
+23
731 mmHg
58%
3.7
m/s
W
17 September, Wednesday. day, 23°; night, 16°; clear
18
+23
+17
18 September, thu
+23
+17
Feels like
+23
731 mmHg
54%
3.7
m/s
NW
18 September, Thursday. day, 23°; night, 17°; clear
19
+23
+17
19 September, fri
+23
+17
Feels like
+23
731 mmHg
56%
3.2
m/s
W
19 September, Friday. day, 23°; night, 17°; clear
20
+21
+15
20 September, sat
+21
+15
Feels like
+20
730 mmHg
60%
4.3
m/s
W
20 September, Saturday. day, 21°; night, 15°; clear
21
+21
+14
21 September, sun
+21
+14
Feels like
+20
731 mmHg
61%
4.1
m/s
W
21 September, Sunday. day, 21°; night, 14°; clear
22
+23
+16
22 September, mon
+23
+16
Feels like
+22
731 mmHg
52%
4.5
m/s
NW
22 September, Monday. day, 23°; night, 16°; clear
23
+23
+17
23 September, tue
+23
+17
Feels like
+22
732 mmHg
50%
4.5
m/s
NW
23 September, Tuesday. day, 23°; night, 17°; clear
24
+23
+17
24 September, wed
+23
+17
Feels like
+22
731 mmHg
50%
4
m/s
NW
24 September, Wednesday. day, 23°; night, 17°; clear
25
+25
+19
25 September, thu
+25
+19
Feels like
+24
731 mmHg
46%
4.1
m/s
NW
25 September, Thursday. day, 25°; night, 19°; clear
26
+26
+19
26 September, fri
+26
+19
Feels like
+25
730 mmHg
40%
3.2
m/s
NW
26 September, Friday. day, 26°; night, 19°; clear
27
+25
+18
27 September, sat
+25
+18
Feels like
+24
730 mmHg
40%
3.2
m/s
NW
27 September, Saturday. day, 25°; night, 18°; partly cloudy
28
+21
+14
28 September, sun
+21
+14
Feels like
+20
731 mmHg
56%
3.5
m/s
NW
28 September, Sunday. day, 21°; night, 14°; clear
29
+20
+15
29 September, mon
+20
+15
Feels like
+20
732 mmHg
62%
3.7
m/s
W
29 September, Monday. day, 20°; night, 15°; clear
30
+21
+16
30 September, tue
+21
+16
Feels like
+20
732 mmHg
54%
3.7
m/s
NW
30 September, Tuesday. day, 21°; night, 16°; clear
1
+22
+16
1 October, wed
+22
+16
Feels like
+20
732 mmHg
44%
4.5
m/s
NW
1 October, Wednesday. day, 22°; night, 16°; clear
2
+20
+15
2 October, thu
+20
+15
Feels like
+18
730 mmHg
55%
4.5
m/s
W
2 October, Thursday. day, 20°; night, 15°; clear
3
+20
+15
3 October, fri
+20
+15
Feels like
+18
730 mmHg
55%
4.3
m/s
SW
3 October, Friday. day, 20°; night, 15°; clear
4
+20
+15
4 October, sat
+20
+15
Feels like
+19
731 mmHg
61%
4.3
m/s
W
4 October, Saturday. day, 20°; night, 15°; clear
Average data for 10 years
San Jose September
29
sunny days
0
days with precipitation
1
cloudy day
29 sunny days; 0 days with precipitation; 1 cloudy day;
55
%
air humidity
2
m/s
Wind
W
5
mm of precipitation
(1% of annual average)
air humidity 55%; 5 millimeters of precipitation (1% of annual average); Wind westerly 2 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
W
W
W
W
NW
NW
NW
NW
W
W
W
W
W
W
NW
W
W
W
NW
NW
NW
NW
NW
NW
NW
W
NW
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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