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September weather forecast in Grand Junction
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
+26
+19
1 September, sun
+26
+19
Feels like
+24
624 mmHg
44%
5.5
m/s
S
1 September, Sunday. day, 26°; night, 19°; partly cloudy
2
+26
+19
2 September, mon
+26
+19
Feels like
+24
625 mmHg
40%
4.8
m/s
S
2 September, Monday. day, 26°; night, 19°; clear
3
+26
+19
3 September, tue
+26
+19
Feels like
+23
624 mmHg
34%
5.9
m/s
S
3 September, Tuesday. day, 26°; night, 19°; clear
4
+26
+19
4 September, wed
+26
+19
Feels like
+23
623 mmHg
37%
6.5
m/s
S
4 September, Wednesday. day, 26°; night, 19°; clear
5
+25
+19
5 September, thu
+25
+19
Feels like
+22
624 mmHg
36%
4.5
m/s
S
5 September, Thursday. day, 25°; night, 19°; clear
6
+25
+18
6 September, fri
+25
+18
Feels like
+22
624 mmHg
37%
4.5
m/s
S
6 September, Friday. day, 25°; night, 18°; clear
7
+24
+18
7 September, sat
+24
+18
Feels like
+23
624 mmHg
44%
4.8
m/s
S
7 September, Saturday. day, 24°; night, 18°; clear
8
+23
+18
8 September, sun
+23
+18
Feels like
+21
624 mmHg
40%
5.3
m/s
SW
8 September, Sunday. day, 23°; night, 18°; clear
9
+24
+17
9 September, mon
+24
+17
Feels like
+21
625 mmHg
37%
4.8
m/s
SE
9 September, Monday. day, 24°; night, 17°; partly cloudy
10
+24
+18
10 September, tue
+24
+18
Feels like
+22
625 mmHg
38%
4.3
m/s
SE
10 September, Tuesday. day, 24°; night, 18°; clear
11
+23
+17
11 September, wed
+23
+17
Feels like
+21
625 mmHg
40%
4.3
m/s
SE
11 September, Wednesday. day, 23°; night, 17°; clear
12
+23
+17
12 September, thu
+23
+17
Feels like
+20
623 mmHg
40%
5.5
m/s
SW
12 September, Thursday. day, 23°; night, 17°; clear
13
+22
+15
13 September, fri
+22
+15
Feels like
+20
623 mmHg
43%
4.1
m/s
S
13 September, Friday. day, 22°; night, 15°; clear
14
+22
+16
14 September, sat
+22
+16
Feels like
+20
624 mmHg
46%
4.5
m/s
SW
14 September, Saturday. day, 22°; night, 16°; clear
15
+22
+16
15 September, sun
+22
+16
Feels like
+20
625 mmHg
43%
5
m/s
S
15 September, Sunday. day, 22°; night, 16°; clear
16
+23
+17
16 September, mon
+23
+17
Feels like
+20
624 mmHg
40%
4.8
m/s
S
16 September, Monday. day, 23°; night, 17°; clear
17
+23
+17
17 September, tue
+23
+17
Feels like
+20
624 mmHg
37%
4.9
m/s
SW
17 September, Tuesday. day, 23°; night, 17°; clear
18
+23
+18
18 September, wed
+23
+18
Feels like
+20
624 mmHg
34%
4.6
m/s
SW
18 September, Wednesday. day, 23°; night, 18°; clear
19
+24
+18
19 September, thu
+24
+18
Feels like
+21
624 mmHg
33%
4.6
m/s
S
19 September, Thursday. day, 24°; night, 18°; clear
20
+22
+16
20 September, fri
+22
+16
Feels like
+19
623 mmHg
34%
5.5
m/s
S
20 September, Friday. day, 22°; night, 16°; rain
21
+20
+15
21 September, sat
+20
+15
Feels like
+17
623 mmHg
44%
6
m/s
S
21 September, Saturday. day, 20°; night, 15°; clear
22
+21
+15
22 September, sun
+21
+15
Feels like
+18
623 mmHg
41%
5.3
m/s
SW
22 September, Sunday. day, 21°; night, 15°; clear
23
+21
+16
23 September, mon
+21
+16
Feels like
+17
625 mmHg
36%
5
m/s
SE
23 September, Monday. day, 21°; night, 16°; clear
24
+21
+15
24 September, tue
+21
+15
Feels like
+18
624 mmHg
34%
5
m/s
S
24 September, Tuesday. day, 21°; night, 15°; clear
25
+22
+16
25 September, wed
+22
+16
Feels like
+19
624 mmHg
36%
4.1
m/s
SE
25 September, Wednesday. day, 22°; night, 16°; clear
26
+21
+16
26 September, thu
+21
+16
Feels like
+18
624 mmHg
37%
5.1
m/s
SE
26 September, Thursday. day, 21°; night, 16°; clear
27
+21
+16
27 September, fri
+21
+16
Feels like
+19
625 mmHg
37%
3.9
m/s
SE
27 September, Friday. day, 21°; night, 16°; clear
28
+22
+16
28 September, sat
+22
+16
Feels like
+19
625 mmHg
37%
4.5
m/s
SE
28 September, Saturday. day, 22°; night, 16°; clear
29
+20
+15
29 September, sun
+20
+15
Feels like
+17
624 mmHg
44%
5.5
m/s
S
29 September, Sunday. day, 20°; night, 15°; clear
30
+20
+14
30 September, mon
+20
+14
Feels like
+16
624 mmHg
40%
4.6
m/s
SW
30 September, Monday. day, 20°; night, 14°; clear
1
+18
+13
1 October, tue
+18
+13
Feels like
+15
624 mmHg
37%
4.1
m/s
SE
1 October, Tuesday. day, 18°; night, 13°; clear
2
+19
+13
2 October, wed
+19
+13
Feels like
+16
622 mmHg
37%
4.4
m/s
S
2 October, Wednesday. day, 19°; night, 13°; clear
3
+16
+11
3 October, thu
+16
+11
Feels like
+12
622 mmHg
44%
6.5
m/s
S
3 October, Thursday. day, 16°; night, 11°; partly cloudy
4
+15
+11
4 October, fri
+15
+11
Feels like
+12
622 mmHg
46%
5
m/s
SW
4 October, Friday. day, 15°; night, 11°; partly cloudy
5
+14
+10
5 October, sat
+14
+10
Feels like
+10
623 mmHg
46%
5
m/s
W
5 October, Saturday. day, 14°; night, 10°; clear
Average data for 10 years
Grand Junction September
27
sunny days
1
day with precipitation
2
cloudy days
27 sunny days; 1 day with precipitation; 2 cloudy days;
38
%
air humidity
3
m/s
Wind
S
15
mm of precipitation
(7% of annual average)
air humidity 38%; 15 millimeters of precipitation (7% of annual average); Wind southerly 3 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
S
S
S
S
SW
SE
SE
SE
SW
S
SW
S
S
SW
SW
S
S
S
SW
SE
S
SE
SE
SE
SE
S
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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