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September weather forecast in Washington
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
+23
1 September, Sunday. day, 29°; night, 23°; clear
2
+27
+23
2 September, Monday. day, 27°; night, 23°; clear
3
+28
+23
3 September, Tuesday. day, 28°; night, 23°; clear
4
+27
+22
4 September, Wednesday. day, 27°; night, 22°; partly cloudy
5
+25
+21
5 September, Thursday. day, 25°; night, 21°; clear
6
+27
+20
6 September, Friday. day, 27°; night, 20°; clear
7
+27
+21
7 September, Saturday. day, 27°; night, 21°; clear
8
+26
+21
8 September, Sunday. day, 26°; night, 21°; clear
9
+25
+20
9 September, Monday. day, 25°; night, 20°; clear
10
+24
+20
10 September, Tuesday. day, 24°; night, 20°; partly cloudy
11
+24
+19
11 September, Wednesday. day, 24°; night, 19°; partly cloudy
12
+24
+19
12 September, Thursday. day, 24°; night, 19°; clear
13
+25
+18
13 September, Friday. day, 25°; night, 18°; clear
14
+25
+19
14 September, Saturday. day, 25°; night, 19°; partly cloudy
15
+23
+19
15 September, Sunday. day, 23°; night, 19°; clear
16
+24
+18
16 September, Monday. day, 24°; night, 18°; partly cloudy
17
+25
+19
17 September, Tuesday. day, 25°; night, 19°; partly cloudy
18
+24
+20
18 September, Wednesday. day, 24°; night, 20°; partly cloudy
19
+25
+20
19 September, Thursday. day, 25°; night, 20°; rain
20
+26
+21
20 September, Friday. day, 26°; night, 21°; clear
21
+25
+20
21 September, Saturday. day, 25°; night, 20°; clear
22
+25
+19
22 September, Sunday. day, 25°; night, 19°; rain
23
+24
+20
23 September, Monday. day, 24°; night, 20°; partly cloudy
24
+24
+20
24 September, Tuesday. day, 24°; night, 20°; clear
25
+24
+19
25 September, Wednesday. day, 24°; night, 19°; clear
26
+23
+19
26 September, Thursday. day, 23°; night, 19°; clear
27
+23
+18
27 September, Friday. day, 23°; night, 18°; clear
28
+22
+18
28 September, Saturday. day, 22°; night, 18°; clear
29
+21
+17
29 September, Sunday. day, 21°; night, 17°; rain
30
+20
+15
30 September, Monday. day, 20°; night, 15°; clear
1
+19
+15
1 October, Tuesday. day, 19°; night, 15°; partly cloudy
2
+19
+15
2 October, Wednesday. day, 19°; night, 15°; partly cloudy
3
+20
+14
3 October, Thursday. day, 20°; night, 14°; clear
4
+22
+15
4 October, Friday. day, 22°; night, 15°; clear
5
+22
+17
5 October, Saturday. day, 22°; night, 17°; rain
Average data for 10 years
Washington September
19
sunny days
3
days with precipitation
8
cloudy days
19 sunny days; 3 days with precipitation; 8 cloudy days;
56
%
air humidity
3.7
m/s
Wind
N
49
mm of precipitation
(6% of annual average)
air humidity 56%; 49 millimeters of precipitation (6% of annual average); Wind northerly 3.7 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
N
N
N
N
NE
NW
NW
NE
NE
N
N
NW
SE
E
NE
NE
E
N
E
W
NE
NE
NE
NE
NE
N
NW
NW
N
N
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
Cities near you
Chicago
Nashville
Indianapolis
Louisville
Dickson
Eldorado
St. Louis
Michigan City
Corbin
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