10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
September weather forecast in Altoona
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
+24
+16
31 August, sun
+24
+16
Feels like
+19
717 mmHg
75%
3.7
m/s
S
31 August, Sunday. day, 24°; night, 16°; overcast
1
+24
+15
1 September, mon
+24
+15
Feels like
+18
717 mmHg
75%
3.5
m/s
S
1 September, Monday. day, 24°; night, 15°; rain
2
+24
+15
2 September, tue
+24
+15
Feels like
+18
717 mmHg
76%
3.6
m/s
S
2 September, Tuesday. day, 24°; night, 15°; rain
3
+25
+15
3 September, wed
+25
+15
Feels like
+19
716 mmHg
76%
3.4
m/s
SW
3 September, Wednesday. day, 25°; night, 15°; clear
4
+25
+15
4 September, thu
+25
+15
Feels like
+19
716 mmHg
75%
3.6
m/s
SW
4 September, Thursday. day, 25°; night, 15°; clear
5
+24
+15
5 September, fri
+24
+15
Feels like
+18
717 mmHg
74%
3.5
m/s
SW
5 September, Friday. day, 24°; night, 15°; clear
6
+24
+14
6 September, sat
+24
+14
Feels like
+18
717 mmHg
74%
3.6
m/s
S
6 September, Saturday. day, 24°; night, 14°; clear
7
+24
+15
7 September, sun
+24
+15
Feels like
+18
716 mmHg
74%
4
m/s
SW
7 September, Sunday. day, 24°; night, 15°; clear
8
+23
+15
8 September, mon
+23
+15
Feels like
+18
715 mmHg
76%
3.9
m/s
S
8 September, Monday. day, 23°; night, 15°; overcast
9
+22
+14
9 September, tue
+22
+14
Feels like
+17
716 mmHg
78%
3.8
m/s
S
9 September, Tuesday. day, 22°; night, 14°; rain
10
+22
+14
10 September, wed
+22
+14
Feels like
+17
717 mmHg
77%
3.7
m/s
S
10 September, Wednesday. day, 22°; night, 14°; rain
11
+22
+13
11 September, thu
+22
+13
Feels like
+16
717 mmHg
76%
3.6
m/s
S
11 September, Thursday. day, 22°; night, 13°; rain
12
+22
+13
12 September, fri
+22
+13
Feels like
+16
717 mmHg
76%
3.8
m/s
S
12 September, Friday. day, 22°; night, 13°; partly cloudy
13
+22
+14
13 September, sat
+22
+14
Feels like
+16
716 mmHg
78%
4.1
m/s
SW
13 September, Saturday. day, 22°; night, 14°; rain
14
+22
+14
14 September, sun
+22
+14
Feels like
+16
716 mmHg
77%
4.19
m/s
SW
14 September, Sunday. day, 22°; night, 14°; overcast
15
+21
+13
15 September, mon
+21
+13
Feels like
+15
717 mmHg
76%
3.6
m/s
SW
15 September, Monday. day, 21°; night, 13°; partly cloudy
16
+21
+12
16 September, tue
+21
+12
Feels like
+14
718 mmHg
77%
3.5
m/s
S
16 September, Tuesday. day, 21°; night, 12°; partly cloudy
17
+21
+12
17 September, wed
+21
+12
Feels like
+14
717 mmHg
78%
3.6
m/s
S
17 September, Wednesday. day, 21°; night, 12°; partly cloudy
18
+22
+12
18 September, thu
+22
+12
Feels like
+15
716 mmHg
76%
3.7
m/s
S
18 September, Thursday. day, 22°; night, 12°; clear
19
+21
+12
19 September, fri
+21
+12
Feels like
+14
717 mmHg
74%
3.9
m/s
S
19 September, Friday. day, 21°; night, 12°; clear
20
+22
+12
20 September, sat
+22
+12
Feels like
+15
717 mmHg
75%
3.8
m/s
S
20 September, Saturday. day, 22°; night, 12°; clear
21
+22
+12
21 September, sun
+22
+12
Feels like
+15
717 mmHg
75%
3.6
m/s
S
21 September, Sunday. day, 22°; night, 12°; clear
22
+21
+13
22 September, mon
+21
+13
Feels like
+15
716 mmHg
76%
4.5
m/s
SW
22 September, Monday. day, 21°; night, 13°; rain
23
+20
+11
23 September, tue
+20
+11
Feels like
+13
716 mmHg
75%
4.3
m/s
SW
23 September, Tuesday. day, 20°; night, 11°; clear
24
+20
+11
24 September, wed
+20
+11
Feels like
+13
717 mmHg
76%
4
m/s
S
24 September, Wednesday. day, 20°; night, 11°; clear
25
+20
+11
25 September, thu
+20
+11
Feels like
+13
716 mmHg
75%
4
m/s
S
25 September, Thursday. day, 20°; night, 11°; overcast
26
+19
+12
26 September, fri
+19
+12
Feels like
+13
716 mmHg
78%
4.4
m/s
S
26 September, Friday. day, 19°; night, 12°; rain
27
+20
+12
27 September, sat
+20
+12
Feels like
+14
715 mmHg
80%
4.5
m/s
S
27 September, Saturday. day, 20°; night, 12°; rain
28
+19
+13
28 September, sun
+19
+13
Feels like
+13
714 mmHg
81%
4.69
m/s
SW
28 September, Sunday. day, 19°; night, 13°; rain
29
+18
+11
29 September, mon
+18
+11
Feels like
+11
715 mmHg
79%
4.4
m/s
SW
29 September, Monday. day, 18°; night, 11°; overcast
30
+17
+9
30 September, tue
+17
+9
Feels like
+10
715 mmHg
80%
4.3
m/s
S
30 September, Tuesday. day, 17°; night, 9°; rain
1
+18
+9
1 October, wed
+18
+9
Feels like
+10
716 mmHg
79%
4.1
m/s
SW
1 October, Wednesday. day, 18°; night, 9°; clear
2
+18
+9
2 October, thu
+18
+9
Feels like
+10
716 mmHg
79%
4.19
m/s
SW
2 October, Thursday. day, 18°; night, 9°; partly cloudy
3
+19
+10
3 October, fri
+19
+10
Feels like
+11
717 mmHg
78%
4
m/s
SW
3 October, Friday. day, 19°; night, 10°; partly cloudy
4
+18
+10
4 October, sat
+18
+10
Feels like
+12
717 mmHg
80%
4.19
m/s
S
4 October, Saturday. day, 18°; night, 10°; rain
Average data for 10 years
Altoona September
11
sunny days
11
days with precipitation
8
cloudy days
11 sunny days; 11 days with precipitation; 8 cloudy days;
76
%
air humidity
2.7
m/s
Wind
S
109
mm of precipitation
(10% of annual average)
air humidity 76%; 109 millimeters of precipitation (10% of annual average); Wind southerly 2.7 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
SW
SW
SW
S
SW
S
S
S
S
S
SW
SW
SW
S
S
S
S
S
S
SW
SW
S
S
S
S
SW
SW
S
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
Washington
Toronto
Philadelphia
Pittsburgh
Edinburg
Brooklyn
Burlington
Ocean City
Baltimore
Cities with similar weather in September
Toronto
Boston
Minneapolis
Detroit
Milwaukee
Hamilton
Hiroshima
London
Saint Paul
