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September weather forecast in Lewiston
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
31
+25
+20
31 August, sun
+25
+20
Feels like
+23
700 mmHg
37%
4
m/s
W
31 August, Sunday. day, 25°; night, 20°; clear
1
+25
+19
1 September, mon
+25
+19
Feels like
+23
701 mmHg
34%
5
m/s
W
1 September, Monday. day, 25°; night, 19°; clear
2
+24
+19
2 September, tue
+24
+19
Feels like
+22
702 mmHg
34%
4
m/s
W
2 September, Tuesday. day, 24°; night, 19°; partly cloudy
3
+25
+18
3 September, wed
+25
+18
Feels like
+22
701 mmHg
31%
4.3
m/s
N
3 September, Wednesday. day, 25°; night, 18°; clear
4
+23
+18
4 September, thu
+23
+18
Feels like
+20
701 mmHg
37%
4.1
m/s
W
4 September, Thursday. day, 23°; night, 18°; partly cloudy
5
+23
+19
5 September, fri
+23
+19
Feels like
+21
702 mmHg
40%
3.2
m/s
W
5 September, Friday. day, 23°; night, 19°; clear
6
+23
+18
6 September, sat
+23
+18
Feels like
+21
701 mmHg
38%
3.7
m/s
NW
6 September, Saturday. day, 23°; night, 18°; clear
7
+24
+19
7 September, sun
+24
+19
Feels like
+22
701 mmHg
40%
3.7
m/s
W
7 September, Sunday. day, 24°; night, 19°; partly cloudy
8
+26
+19
8 September, mon
+26
+19
Feels like
+23
701 mmHg
37%
4.9
m/s
W
8 September, Monday. day, 26°; night, 19°; clear
9
+25
+19
9 September, tue
+25
+19
Feels like
+22
702 mmHg
33%
3.7
m/s
W
9 September, Tuesday. day, 25°; night, 19°; clear
10
+26
+20
10 September, wed
+26
+20
Feels like
+24
703 mmHg
31%
4
m/s
E
10 September, Wednesday. day, 26°; night, 20°; clear
11
+27
+20
11 September, thu
+27
+20
Feels like
+24
701 mmHg
28%
3.9
m/s
NW
11 September, Thursday. day, 27°; night, 20°; clear
12
+25
+19
12 September, fri
+25
+19
Feels like
+22
700 mmHg
28%
4.1
m/s
NW
12 September, Friday. day, 25°; night, 19°; clear
13
+24
+19
13 September, sat
+24
+19
Feels like
+21
700 mmHg
31%
3.7
m/s
W
13 September, Saturday. day, 24°; night, 19°; partly cloudy
14
+24
+18
14 September, sun
+24
+18
Feels like
+21
700 mmHg
34%
3.5
m/s
NE
14 September, Sunday. day, 24°; night, 18°; partly cloudy
15
+24
+18
15 September, mon
+24
+18
Feels like
+22
701 mmHg
40%
4
m/s
S
15 September, Monday. day, 24°; night, 18°; partly cloudy
16
+23
+17
16 September, tue
+23
+17
Feels like
+21
700 mmHg
41%
3.7
m/s
SW
16 September, Tuesday. day, 23°; night, 17°; clear
17
+22
+16
17 September, wed
+22
+16
Feels like
+20
700 mmHg
46%
4.5
m/s
S
17 September, Wednesday. day, 22°; night, 16°; clear
18
+22
+17
18 September, thu
+22
+17
Feels like
+20
700 mmHg
49%
4.5
m/s
SW
18 September, Thursday. day, 22°; night, 17°; clear
19
+23
+17
19 September, fri
+23
+17
Feels like
+21
700 mmHg
40%
4.4
m/s
W
19 September, Friday. day, 23°; night, 17°; clear
20
+21
+17
20 September, sat
+21
+17
Feels like
+19
701 mmHg
44%
3.2
m/s
S
20 September, Saturday. day, 21°; night, 17°; partly cloudy
21
+21
+16
21 September, sun
+21
+16
Feels like
+19
700 mmHg
40%
4
m/s
SW
21 September, Sunday. day, 21°; night, 16°; overcast
22
+21
+16
22 September, mon
+21
+16
Feels like
+19
701 mmHg
46%
4
m/s
SW
22 September, Monday. day, 21°; night, 16°; clear
23
+21
+15
23 September, tue
+21
+15
Feels like
+19
701 mmHg
44%
3.9
m/s
S
23 September, Tuesday. day, 21°; night, 15°; clear
24
+22
+16
24 September, wed
+22
+16
Feels like
+20
701 mmHg
46%
4
m/s
W
24 September, Wednesday. day, 22°; night, 16°; partly cloudy
25
+21
+16
25 September, thu
+21
+16
Feels like
+18
702 mmHg
46%
4.3
m/s
W
25 September, Thursday. day, 21°; night, 16°; rain
26
+21
+16
26 September, fri
+21
+16
Feels like
+19
703 mmHg
43%
3.2
m/s
E
26 September, Friday. day, 21°; night, 16°; clear
27
+22
+18
27 September, sat
+22
+18
Feels like
+20
701 mmHg
40%
4.1
m/s
S
27 September, Saturday. day, 22°; night, 18°; partly cloudy
28
+22
+16
28 September, sun
+22
+16
Feels like
+20
700 mmHg
41%
3.9
m/s
SW
28 September, Sunday. day, 22°; night, 16°; clear
29
+21
+15
29 September, mon
+21
+15
Feels like
+18
700 mmHg
43%
4.5
m/s
W
29 September, Monday. day, 21°; night, 15°; clear
30
+20
+14
30 September, tue
+20
+14
Feels like
+17
702 mmHg
44%
4.1
m/s
SW
30 September, Tuesday. day, 20°; night, 14°; clear
1
+19
+14
1 October, wed
+19
+14
Feels like
+17
702 mmHg
47%
3.5
m/s
SW
1 October, Wednesday. day, 19°; night, 14°; clear
2
+17
+11
2 October, thu
+17
+11
Feels like
+15
701 mmHg
51%
4.3
m/s
W
2 October, Thursday. day, 17°; night, 11°; clear
3
+16
+12
3 October, fri
+16
+12
Feels like
+13
701 mmHg
54%
3.7
m/s
E
3 October, Friday. day, 16°; night, 12°; partly cloudy
4
+16
+12
4 October, sat
+16
+12
Feels like
+13
701 mmHg
50%
3.7
m/s
S
4 October, Saturday. day, 16°; night, 12°; partly cloudy
Average data for 10 years
Lewiston September
19
sunny days
1
day with precipitation
10
cloudy days
19 sunny days; 1 day with precipitation; 10 cloudy days;
40
%
air humidity
2.7
m/s
Wind
W
20
mm of precipitation
(3% of annual average)
air humidity 40%; 20 millimeters of precipitation (3% of annual average); Wind westerly 2.7 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
N
W
W
NW
W
W
W
E
NW
NW
W
NE
S
SW
S
SW
W
S
SW
SW
S
W
W
E
S
SW
W
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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