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September weather forecast in Porto Alegre
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
+21
+16
31 August, sun
+21
+16
Feels like
+21
760 mmHg
70%
5.5
m/s
SE
31 August, Sunday. day, 21°; night, 16°; clear
1
+20
+16
1 September, mon
+20
+16
Feels like
+19
761 mmHg
79%
5.8
m/s
E
1 September, Monday. day, 20°; night, 16°; partly cloudy
2
+21
+18
2 September, tue
+21
+18
Feels like
+21
759 mmHg
79%
6.1
m/s
SE
2 September, Tuesday. day, 21°; night, 18°; overcast
3
+20
+16
3 September, wed
+20
+16
Feels like
+18
760 mmHg
75%
7.3
m/s
SE
3 September, Wednesday. day, 20°; night, 16°; rain
4
+18
+15
4 September, thu
+18
+15
Feels like
+17
762 mmHg
80%
6.1
m/s
SE
4 September, Thursday. day, 18°; night, 15°; rain
5
+20
+16
5 September, fri
+20
+16
Feels like
+19
762 mmHg
76%
6
m/s
SE
5 September, Friday. day, 20°; night, 16°; clear
6
+21
+16
6 September, sat
+21
+16
Feels like
+20
759 mmHg
77%
7.5
m/s
NE
6 September, Saturday. day, 21°; night, 16°; overcast
7
+21
+17
7 September, sun
+21
+17
Feels like
+20
758 mmHg
75%
6.5
m/s
NW
7 September, Sunday. day, 21°; night, 17°; overcast
8
+21
+17
8 September, mon
+21
+17
Feels like
+21
760 mmHg
75%
6.5
m/s
SE
8 September, Monday. day, 21°; night, 17°; clear
9
+23
+17
9 September, tue
+23
+17
Feels like
+23
760 mmHg
73%
6
m/s
E
9 September, Tuesday. day, 23°; night, 17°; partly cloudy
10
+20
+16
10 September, wed
+20
+16
Feels like
+19
761 mmHg
73%
7.1
m/s
S
10 September, Wednesday. day, 20°; night, 16°; rain
11
+20
+17
11 September, thu
+20
+17
Feels like
+18
760 mmHg
75%
7.1
m/s
SE
11 September, Thursday. day, 20°; night, 17°; rain
12
+23
+17
12 September, fri
+23
+17
Feels like
+22
759 mmHg
75%
6.3
m/s
SE
12 September, Friday. day, 23°; night, 17°; clear
13
+21
+15
13 September, sat
+21
+15
Feels like
+20
759 mmHg
70%
7.9
m/s
NW
13 September, Saturday. day, 21°; night, 15°; rain
14
+20
+16
14 September, sun
+20
+16
Feels like
+18
760 mmHg
74%
6.6
m/s
NW
14 September, Sunday. day, 20°; night, 16°; rain
15
+20
+16
15 September, mon
+20
+16
Feels like
+19
759 mmHg
76%
6.3
m/s
SE
15 September, Monday. day, 20°; night, 16°; overcast
16
+19
+15
16 September, tue
+19
+15
Feels like
+17
760 mmHg
81%
7
m/s
SE
16 September, Tuesday. day, 19°; night, 15°; overcast
17
+20
+16
17 September, wed
+20
+16
Feels like
+19
760 mmHg
76%
7.1
m/s
SE
17 September, Wednesday. day, 20°; night, 16°; partly cloudy
18
+19
+16
18 September, thu
+19
+16
Feels like
+18
760 mmHg
80%
7.4
m/s
SE
18 September, Thursday. day, 19°; night, 16°; partly cloudy
19
+20
+16
19 September, fri
+20
+16
Feels like
+18
759 mmHg
81%
7
m/s
W
19 September, Friday. day, 20°; night, 16°; rain
20
+19
+16
20 September, sat
+19
+16
Feels like
+18
759 mmHg
76%
6
m/s
W
20 September, Saturday. day, 19°; night, 16°; clear
21
+21
+16
21 September, sun
+21
+16
Feels like
+20
758 mmHg
75%
6.3
m/s
E
21 September, Sunday. day, 21°; night, 16°; rain
22
+20
+16
22 September, mon
+20
+16
Feels like
+20
759 mmHg
80%
6.4
m/s
S
22 September, Monday. day, 20°; night, 16°; clear
23
+18
+15
23 September, tue
+18
+15
Feels like
+17
761 mmHg
79%
7.1
m/s
SE
23 September, Tuesday. day, 18°; night, 15°; rain
24
+21
+16
24 September, wed
+21
+16
Feels like
+20
761 mmHg
75%
6.6
m/s
E
24 September, Wednesday. day, 21°; night, 16°; rain
25
+20
+16
25 September, thu
+20
+16
Feels like
+20
761 mmHg
75%
6
m/s
SE
25 September, Thursday. day, 20°; night, 16°; clear
26
+19
+15
26 September, fri
+19
+15
Feels like
+18
760 mmHg
76%
7.5
m/s
E
26 September, Friday. day, 19°; night, 15°; clear
27
+20
+15
27 September, sat
+20
+15
Feels like
+18
761 mmHg
77%
7
m/s
E
27 September, Saturday. day, 20°; night, 15°; rain
28
+22
+17
28 September, sun
+22
+17
Feels like
+21
760 mmHg
70%
5.6
m/s
E
28 September, Sunday. day, 22°; night, 17°; partly cloudy
29
+19
+16
29 September, mon
+19
+16
Feels like
+18
760 mmHg
75%
6.4
m/s
SE
29 September, Monday. day, 19°; night, 16°; clear
30
+20
+17
30 September, tue
+20
+17
Feels like
+19
758 mmHg
77%
6.9
m/s
SE
30 September, Tuesday. day, 20°; night, 17°; rain
1
+20
+16
1 October, wed
+20
+16
Feels like
+19
758 mmHg
75%
6.6
m/s
NE
1 October, Wednesday. day, 20°; night, 16°; partly cloudy
2
+20
+15
2 October, thu
+20
+15
Feels like
+18
761 mmHg
72%
7.5
m/s
SE
2 October, Thursday. day, 20°; night, 15°; partly cloudy
3
+21
+17
3 October, fri
+21
+17
Feels like
+20
760 mmHg
70%
6
m/s
E
3 October, Friday. day, 21°; night, 17°; partly cloudy
4
+23
+18
4 October, sat
+23
+18
Feels like
+22
759 mmHg
74%
7.1
m/s
E
4 October, Saturday. day, 23°; night, 18°; clear
Average data for 10 years
Porto Alegre September
8
sunny days
12
days with precipitation
10
cloudy days
8 sunny days; 12 days with precipitation; 10 cloudy days;
76
%
air humidity
4.5
m/s
Wind
SE
154
mm of precipitation
(12% of annual average)
air humidity 76%; 154 millimeters of precipitation (12% of annual average); Wind south-easterly 4.5 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
E
SE
SE
SE
SE
NE
NW
SE
E
S
SE
SE
NW
NW
SE
SE
SE
SE
W
W
E
S
SE
E
SE
E
E
E
SE
SE
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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