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September weather forecast in Santa Rosa
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
+21
+15
1 September, sun
+21
+15
Feels like
+18
677 mmHg
40%
4.9
m/s
E
1 September, Sunday. day, 21°; night, 15°; partly cloudy
2
+19
+14
2 September, mon
+19
+14
Feels like
+16
678 mmHg
47%
5.1
m/s
SE
2 September, Monday. day, 19°; night, 14°; partly cloudy
3
+17
+11
3 September, tue
+17
+11
Feels like
+12
680 mmHg
46%
6.6
m/s
NE
3 September, Tuesday. day, 17°; night, 11°; clear
4
+18
+11
4 September, wed
+18
+11
Feels like
+14
679 mmHg
43%
5.5
m/s
NE
4 September, Wednesday. day, 18°; night, 11°; clear
5
+18
+12
5 September, thu
+18
+12
Feels like
+15
678 mmHg
47%
6
m/s
N
5 September, Thursday. day, 18°; night, 12°; clear
6
+19
+12
6 September, fri
+19
+12
Feels like
+15
677 mmHg
44%
5.9
m/s
N
6 September, Friday. day, 19°; night, 12°; clear
7
+20
+12
7 September, sat
+20
+12
Feels like
+16
677 mmHg
37%
6
m/s
N
7 September, Saturday. day, 20°; night, 12°; clear
8
+21
+14
8 September, sun
+21
+14
Feels like
+17
676 mmHg
36%
6.5
m/s
N
8 September, Sunday. day, 21°; night, 14°; clear
9
+19
+13
9 September, mon
+19
+13
Feels like
+15
678 mmHg
38%
6.4
m/s
NE
9 September, Monday. day, 19°; night, 13°; clear
10
+19
+12
10 September, tue
+19
+12
Feels like
+15
679 mmHg
37%
6
m/s
NE
10 September, Tuesday. day, 19°; night, 12°; clear
11
+21
+13
11 September, wed
+21
+13
Feels like
+17
677 mmHg
38%
6.4
m/s
NE
11 September, Wednesday. day, 21°; night, 13°; clear
12
+18
+13
12 September, thu
+18
+13
Feels like
+14
679 mmHg
46%
6.1
m/s
S
12 September, Thursday. day, 18°; night, 13°; clear
13
+19
+11
13 September, fri
+19
+11
Feels like
+15
678 mmHg
41%
7
m/s
N
13 September, Friday. day, 19°; night, 11°; clear
14
+20
+13
14 September, sat
+20
+13
Feels like
+17
678 mmHg
44%
5.1
m/s
NE
14 September, Saturday. day, 20°; night, 13°; clear
15
+20
+14
15 September, sun
+20
+14
Feels like
+16
678 mmHg
46%
5.8
m/s
NE
15 September, Sunday. day, 20°; night, 14°; clear
16
+19
+12
16 September, mon
+19
+12
Feels like
+15
679 mmHg
47%
6
m/s
NE
16 September, Monday. day, 19°; night, 12°; clear
17
+20
+13
17 September, tue
+20
+13
Feels like
+16
678 mmHg
44%
6.5
m/s
NE
17 September, Tuesday. day, 20°; night, 13°; clear
18
+20
+13
18 September, wed
+20
+13
Feels like
+17
678 mmHg
46%
6.5
m/s
NE
18 September, Wednesday. day, 20°; night, 13°; clear
19
+21
+14
19 September, thu
+21
+14
Feels like
+16
678 mmHg
44%
7.3
m/s
NE
19 September, Thursday. day, 21°; night, 14°; clear
20
+21
+13
20 September, fri
+21
+13
Feels like
+17
677 mmHg
40%
6.9
m/s
NE
20 September, Friday. day, 21°; night, 13°; clear
21
+19
+13
21 September, sat
+19
+13
Feels like
+16
678 mmHg
47%
6.1
m/s
E
21 September, Saturday. day, 19°; night, 13°; clear
22
+18
+12
22 September, sun
+18
+12
Feels like
+14
680 mmHg
46%
5.6
m/s
NE
22 September, Sunday. day, 18°; night, 12°; clear
23
+19
+11
23 September, mon
+19
+11
Feels like
+15
678 mmHg
49%
7.1
m/s
NE
23 September, Monday. day, 19°; night, 11°; clear
24
+21
+13
24 September, tue
+21
+13
Feels like
+17
678 mmHg
46%
6
m/s
NE
24 September, Tuesday. day, 21°; night, 13°; clear
25
+20
+13
25 September, wed
+20
+13
Feels like
+17
678 mmHg
51%
5.5
m/s
NE
25 September, Wednesday. day, 20°; night, 13°; clear
26
+20
+13
26 September, thu
+20
+13
Feels like
+15
678 mmHg
50%
7.1
m/s
NE
26 September, Thursday. day, 20°; night, 13°; clear
27
+21
+13
27 September, fri
+21
+13
Feels like
+17
676 mmHg
43%
6.6
m/s
NE
27 September, Friday. day, 21°; night, 13°; clear
28
+19
+14
28 September, sat
+19
+14
Feels like
+16
678 mmHg
47%
5.5
m/s
SE
28 September, Saturday. day, 19°; night, 14°; clear
29
+19
+13
29 September, sun
+19
+13
Feels like
+16
677 mmHg
50%
5.6
m/s
NE
29 September, Sunday. day, 19°; night, 13°; clear
30
+20
+13
30 September, mon
+20
+13
Feels like
+17
677 mmHg
50%
6.3
m/s
NE
30 September, Monday. day, 20°; night, 13°; clear
1
+19
+13
1 October, tue
+19
+13
Feels like
+16
678 mmHg
50%
6.3
m/s
NE
1 October, Tuesday. day, 19°; night, 13°; clear
2
+20
+13
2 October, wed
+20
+13
Feels like
+16
677 mmHg
55%
6.8
m/s
NE
2 October, Wednesday. day, 20°; night, 13°; partly cloudy
3
+22
+13
3 October, thu
+22
+13
Feels like
+20
676 mmHg
52%
6.5
m/s
NE
3 October, Thursday. day, 22°; night, 13°; partly cloudy
4
+23
+15
4 October, fri
+23
+15
Feels like
+19
676 mmHg
44%
6.6
m/s
NE
4 October, Friday. day, 23°; night, 15°; clear
5
+23
+15
5 October, sat
+23
+15
Feels like
+19
677 mmHg
44%
6.5
m/s
NE
5 October, Saturday. day, 23°; night, 15°; clear
Average data for 10 years
Santa Rosa September
28
sunny days
0
days with precipitation
2
cloudy days
28 sunny days; 0 days with precipitation; 2 cloudy days;
44
%
air humidity
4.5
m/s
Wind
NE
11
mm of precipitation
(2% of annual average)
air humidity 44%; 11 millimeters of precipitation (2% of annual average); Wind north-easterly 4.5 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
E
SE
NE
NE
N
N
N
N
NE
NE
NE
S
N
NE
NE
NE
NE
NE
NE
NE
E
NE
NE
NE
NE
NE
NE
SE
NE
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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