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September weather forecast in Flagstaff
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
+23
+18
1 September, sun
+23
+18
Feels like
+21
604 mmHg
41%
4.5
m/s
SW
1 September, Sunday. day, 23°; night, 18°; partly cloudy
2
+23
+18
2 September, mon
+23
+18
Feels like
+21
604 mmHg
40%
4.3
m/s
SW
2 September, Monday. day, 23°; night, 18°; partly cloudy
3
+23
+17
3 September, tue
+23
+17
Feels like
+20
603 mmHg
40%
5
m/s
SW
3 September, Tuesday. day, 23°; night, 17°; clear
4
+22
+16
4 September, wed
+22
+16
Feels like
+19
603 mmHg
41%
5.3
m/s
SW
4 September, Wednesday. day, 22°; night, 16°; clear
5
+23
+17
5 September, thu
+23
+17
Feels like
+20
603 mmHg
41%
4.4
m/s
SW
5 September, Thursday. day, 23°; night, 17°; clear
6
+22
+17
6 September, fri
+22
+17
Feels like
+20
603 mmHg
44%
4.5
m/s
SW
6 September, Friday. day, 22°; night, 17°; rain
7
+21
+16
7 September, sat
+21
+16
Feels like
+19
603 mmHg
50%
4.1
m/s
S
7 September, Saturday. day, 21°; night, 16°; rain
8
+20
+15
8 September, sun
+20
+15
Feels like
+17
603 mmHg
50%
5.1
m/s
SW
8 September, Sunday. day, 20°; night, 15°; clear
9
+21
+15
9 September, mon
+21
+15
Feels like
+18
603 mmHg
49%
4.5
m/s
S
9 September, Monday. day, 21°; night, 15°; clear
10
+21
+16
10 September, tue
+21
+16
Feels like
+19
604 mmHg
44%
4.5
m/s
S
10 September, Tuesday. day, 21°; night, 16°; clear
11
+21
+15
11 September, wed
+21
+15
Feels like
+19
604 mmHg
41%
5
m/s
SW
11 September, Wednesday. day, 21°; night, 15°; clear
12
+21
+14
12 September, thu
+21
+14
Feels like
+18
603 mmHg
41%
5.5
m/s
SW
12 September, Thursday. day, 21°; night, 14°; partly cloudy
13
+19
+14
13 September, fri
+19
+14
Feels like
+16
602 mmHg
49%
6.1
m/s
SW
13 September, Friday. day, 19°; night, 14°; clear
14
+20
+14
14 September, sat
+20
+14
Feels like
+16
603 mmHg
43%
6
m/s
S
14 September, Saturday. day, 20°; night, 14°; clear
15
+20
+14
15 September, sun
+20
+14
Feels like
+17
604 mmHg
40%
4.5
m/s
S
15 September, Sunday. day, 20°; night, 14°; clear
16
+20
+14
16 September, mon
+20
+14
Feels like
+17
603 mmHg
41%
5.1
m/s
SW
16 September, Monday. day, 20°; night, 14°; clear
17
+21
+16
17 September, tue
+21
+16
Feels like
+18
603 mmHg
36%
4.1
m/s
SW
17 September, Tuesday. day, 21°; night, 16°; rain
18
+22
+17
18 September, wed
+22
+17
Feels like
+19
603 mmHg
31%
4.9
m/s
SW
18 September, Wednesday. day, 22°; night, 17°; rain
19
+22
+17
19 September, thu
+22
+17
Feels like
+19
603 mmHg
34%
4.8
m/s
SW
19 September, Thursday. day, 22°; night, 17°; clear
20
+21
+14
20 September, fri
+21
+14
Feels like
+17
603 mmHg
36%
5.3
m/s
SW
20 September, Friday. day, 21°; night, 14°; clear
21
+19
+13
21 September, sat
+19
+13
Feels like
+14
602 mmHg
43%
6.4
m/s
SW
21 September, Saturday. day, 19°; night, 13°; clear
22
+20
+14
22 September, sun
+20
+14
Feels like
+16
602 mmHg
34%
5.8
m/s
SW
22 September, Sunday. day, 20°; night, 14°; clear
23
+20
+14
23 September, mon
+20
+14
Feels like
+15
603 mmHg
28%
5
m/s
SW
23 September, Monday. day, 20°; night, 14°; clear
24
+20
+15
24 September, tue
+20
+15
Feels like
+15
603 mmHg
28%
5.8
m/s
S
24 September, Tuesday. day, 20°; night, 15°; clear
25
+20
+14
25 September, wed
+20
+14
Feels like
+15
603 mmHg
31%
5.8
m/s
S
25 September, Wednesday. day, 20°; night, 14°; clear
26
+20
+14
26 September, thu
+20
+14
Feels like
+16
603 mmHg
36%
4.8
m/s
SE
26 September, Thursday. day, 20°; night, 14°; clear
27
+20
+14
27 September, fri
+20
+14
Feels like
+17
603 mmHg
34%
4.5
m/s
S
27 September, Friday. day, 20°; night, 14°; clear
28
+21
+15
28 September, sat
+21
+15
Feels like
+17
603 mmHg
34%
4.5
m/s
SW
28 September, Saturday. day, 21°; night, 15°; clear
29
+20
+13
29 September, sun
+20
+13
Feels like
+16
603 mmHg
34%
5.5
m/s
SW
29 September, Sunday. day, 20°; night, 13°; rain
30
+19
+13
30 September, mon
+19
+13
Feels like
+15
603 mmHg
33%
5.3
m/s
SW
30 September, Monday. day, 19°; night, 13°; rain
1
+19
+13
1 October, tue
+19
+13
Feels like
+14
603 mmHg
33%
6.1
m/s
SW
1 October, Tuesday. day, 19°; night, 13°; clear
2
+18
+12
2 October, wed
+18
+12
Feels like
+13
601 mmHg
34%
6
m/s
SW
2 October, Wednesday. day, 18°; night, 12°; clear
3
+16
+10
3 October, thu
+16
+10
Feels like
+11
601 mmHg
40%
8.3
m/s
SW
3 October, Thursday. day, 16°; night, 10°; rain
4
+14
+8
4 October, fri
+14
+8
Feels like
+9
601 mmHg
46%
7.5
m/s
SW
4 October, Friday. day, 14°; night, 8°; clear
5
+14
+9
5 October, sat
+14
+9
Feels like
+10
601 mmHg
43%
5.9
m/s
SW
5 October, Saturday. day, 14°; night, 9°; partly cloudy
Average data for 10 years
Flagstaff September
21
sunny days
6
days with precipitation
3
cloudy days
21 sunny days; 6 days with precipitation; 3 cloudy days;
38
%
air humidity
3.5
m/s
Wind
SW
63
mm of precipitation
(10% of annual average)
air humidity 38%; 63 millimeters of precipitation (10% of annual average); Wind south-westerly 3.5 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
SW
SW
SW
SW
S
SW
S
S
SW
SW
SW
S
S
SW
SW
SW
SW
SW
SW
SW
SW
S
S
SE
S
SW
SW
SW
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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