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September weather forecast in Hermiston
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
+28
+22
1 September, sun
+28
+22
Feels like
+25
739 mmHg
37%
6.4
m/s
W
1 September, Sunday. day, 28°; night, 22°; clear
2
+27
+22
2 September, mon
+27
+22
Feels like
+24
740 mmHg
34%
6.1
m/s
W
2 September, Monday. day, 27°; night, 22°; clear
3
+27
+22
3 September, tue
+27
+22
Feels like
+24
740 mmHg
36%
4.5
m/s
W
3 September, Tuesday. day, 27°; night, 22°; clear
4
+26
+21
4 September, wed
+26
+21
Feels like
+24
739 mmHg
37%
5.9
m/s
W
4 September, Wednesday. day, 26°; night, 21°; clear
5
+26
+22
5 September, thu
+26
+22
Feels like
+23
740 mmHg
36%
5
m/s
SW
5 September, Thursday. day, 26°; night, 22°; clear
6
+26
+21
6 September, fri
+26
+21
Feels like
+24
739 mmHg
41%
4.8
m/s
W
6 September, Friday. day, 26°; night, 21°; clear
7
+27
+22
7 September, sat
+27
+22
Feels like
+25
740 mmHg
38%
5.1
m/s
W
7 September, Saturday. day, 27°; night, 22°; clear
8
+28
+23
8 September, sun
+28
+23
Feels like
+26
740 mmHg
34%
5.1
m/s
W
8 September, Sunday. day, 28°; night, 23°; clear
9
+27
+22
9 September, mon
+27
+22
Feels like
+25
741 mmHg
36%
5
m/s
W
9 September, Monday. day, 27°; night, 22°; clear
10
+28
+23
10 September, tue
+28
+23
Feels like
+25
741 mmHg
31%
4.9
m/s
NW
10 September, Tuesday. day, 28°; night, 23°; clear
11
+28
+23
11 September, wed
+28
+23
Feels like
+26
739 mmHg
28%
5
m/s
NW
11 September, Wednesday. day, 28°; night, 23°; clear
12
+27
+22
12 September, thu
+27
+22
Feels like
+24
738 mmHg
28%
5.9
m/s
W
12 September, Thursday. day, 27°; night, 22°; clear
13
+26
+21
13 September, fri
+26
+21
Feels like
+22
738 mmHg
31%
5.5
m/s
W
13 September, Friday. day, 26°; night, 21°; clear
14
+26
+20
14 September, sat
+26
+20
Feels like
+23
739 mmHg
31%
5
m/s
SW
14 September, Saturday. day, 26°; night, 20°; partly cloudy
15
+26
+21
15 September, sun
+26
+21
Feels like
+23
739 mmHg
36%
5
m/s
W
15 September, Sunday. day, 26°; night, 21°; clear
16
+25
+20
16 September, mon
+25
+20
Feels like
+23
738 mmHg
40%
6.3
m/s
W
16 September, Monday. day, 25°; night, 20°; clear
17
+25
+20
17 September, tue
+25
+20
Feels like
+21
739 mmHg
40%
6.6
m/s
W
17 September, Tuesday. day, 25°; night, 20°; clear
18
+25
+20
18 September, wed
+25
+20
Feels like
+23
738 mmHg
41%
6.1
m/s
SW
18 September, Wednesday. day, 25°; night, 20°; clear
19
+24
+19
19 September, thu
+24
+19
Feels like
+21
739 mmHg
40%
6.4
m/s
W
19 September, Thursday. day, 24°; night, 19°; clear
20
+23
+19
20 September, fri
+23
+19
Feels like
+21
739 mmHg
43%
4.8
m/s
W
20 September, Friday. day, 23°; night, 19°; clear
21
+23
+19
21 September, sat
+23
+19
Feels like
+20
739 mmHg
38%
5.4
m/s
W
21 September, Saturday. day, 23°; night, 19°; partly cloudy
22
+23
+19
22 September, sun
+23
+19
Feels like
+21
739 mmHg
41%
5.6
m/s
SW
22 September, Sunday. day, 23°; night, 19°; clear
23
+22
+18
23 September, mon
+22
+18
Feels like
+20
740 mmHg
46%
5
m/s
W
23 September, Monday. day, 22°; night, 18°; partly cloudy
24
+23
+19
24 September, tue
+23
+19
Feels like
+21
740 mmHg
44%
5
m/s
SW
24 September, Tuesday. day, 23°; night, 19°; partly cloudy
25
+24
+19
25 September, wed
+24
+19
Feels like
+22
741 mmHg
46%
5.1
m/s
W
25 September, Wednesday. day, 24°; night, 19°; clear
26
+23
+20
26 September, thu
+23
+20
Feels like
+21
742 mmHg
46%
4.8
m/s
NW
26 September, Thursday. day, 23°; night, 20°; clear
27
+24
+20
27 September, fri
+24
+20
Feels like
+22
739 mmHg
40%
5.1
m/s
W
27 September, Friday. day, 24°; night, 20°; clear
28
+22
+18
28 September, sat
+22
+18
Feels like
+18
739 mmHg
38%
6.6
m/s
W
28 September, Saturday. day, 22°; night, 18°; clear
29
+22
+18
29 September, sun
+22
+18
Feels like
+18
739 mmHg
37%
6.5
m/s
W
29 September, Sunday. day, 22°; night, 18°; clear
30
+21
+17
30 September, mon
+21
+17
Feels like
+18
741 mmHg
44%
5.3
m/s
W
30 September, Monday. day, 21°; night, 17°; clear
1
+21
+17
1 October, tue
+21
+17
Feels like
+19
741 mmHg
46%
5.3
m/s
W
1 October, Tuesday. day, 21°; night, 17°; partly cloudy
2
+19
+14
2 October, wed
+19
+14
Feels like
+17
740 mmHg
50%
5.3
m/s
W
2 October, Wednesday. day, 19°; night, 14°; partly cloudy
3
+19
+15
3 October, thu
+19
+15
Feels like
+15
740 mmHg
44%
4.9
m/s
NW
3 October, Thursday. day, 19°; night, 15°; clear
4
+19
+15
4 October, fri
+19
+15
Feels like
+15
740 mmHg
43%
5.3
m/s
W
4 October, Friday. day, 19°; night, 15°; clear
5
+20
+16
5 October, sat
+20
+16
Feels like
+16
741 mmHg
43%
5.5
m/s
W
5 October, Saturday. day, 20°; night, 16°; clear
Average data for 10 years
Hermiston September
26
sunny days
0
days with precipitation
4
cloudy days
26 sunny days; 0 days with precipitation; 4 cloudy days;
38
%
air humidity
3.9
m/s
Wind
W
12
mm of precipitation
(5% of annual average)
air humidity 38%; 12 millimeters of precipitation (5% of annual average); Wind westerly 3.9 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
W
SW
W
W
W
W
NW
NW
W
W
SW
W
W
W
SW
W
W
W
SW
W
SW
W
NW
W
W
W
W
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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