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Monthly weather forecast in San Juan
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
September
+32
+26
1 September, sun
+32
+26
Feels like
+32
759 mmHg
73%
6.1
m/s
E
+30
Climate normal
+29
+27
1 September, Sunday. day, 32°; night, 26°; thunderstorm with rain
2
+32
+27
2 September, mon
+32
+27
Feels like
+32
759 mmHg
77%
7
m/s
E
+30
Climate normal
+29
+27
2 September, Monday. day, 32°; night, 27°; thunderstorm with rain
3
+32
+26
3 September, tue
+32
+26
Feels like
+32
758 mmHg
76%
7.2
m/s
SE
+29
Climate normal
+28
+27
3 September, Tuesday. day, 32°; night, 26°; light rain
4
+32
+26
4 September, wed
+32
+26
Feels like
+33
759 mmHg
75%
5.8
m/s
E
+29
Climate normal
+28
+26
4 September, Wednesday. day, 32°; night, 26°; light rain
5
+32
+26
5 September, thu
+32
+26
Feels like
+32
758 mmHg
70%
5.3
m/s
E
+30
Climate normal
+29
+27
5 September, Thursday. day, 32°; night, 26°; light rain
6
+32
+26
6 September, fri
+32
+26
Feels like
+32
757 mmHg
71%
5.2
m/s
E
+30
Climate normal
+29
+27
6 September, Friday. day, 32°; night, 26°; rain
7
+32
+26
7 September, sat
+32
+26
Feels like
+34
757 mmHg
72%
5
m/s
E
+30
Climate normal
+29
+27
7 September, Saturday. day, 32°; night, 26°; light rain
8
+32
+26
8 September, sun
+32
+26
Feels like
+33
758 mmHg
74%
4.5
m/s
E
+30
Climate normal
+29
+27
8 September, Sunday. day, 32°; night, 26°; light rain
9
+32
+26
9 September, mon
+32
+26
Feels like
+34
759 mmHg
73%
5.1
m/s
E
+30
Climate normal
+29
+27
9 September, Monday. day, 32°; night, 26°; light rain
10
+32
+27
10 September, tue
+32
+27
Feels like
+32
758 mmHg
73%
5.3
m/s
E
+30
Climate normal
+28
+27
10 September, Tuesday. day, 32°; night, 27°; light rain
11
+32
+27
11 September, wed
+32
+27
Feels like
+33
757 mmHg
74%
4.9
m/s
E
Climate normal
+29
+27
11 September, Wednesday. day, 32°; night, 27°; partly cloudy
12
+32
+27
12 September, thu
+32
+27
Feels like
+32
758 mmHg
70%
5
m/s
SE
Climate normal
+29
+27
12 September, Thursday. day, 32°; night, 27°; partly cloudy
13
+29
+29
13 September, fri
+29
+29
Feels like
+32
759 mmHg
75%
4.4
m/s
E
Climate normal
+29
+27
13 September, Friday. day, 29°; night, 29°; light rain
14
+29
+29
14 September, sat
+29
+29
Feels like
+31
759 mmHg
74%
5.6
m/s
E
Climate normal
+29
+27
14 September, Saturday. day, 29°; night, 29°; light rain
15
+29
+29
15 September, sun
+29
+29
Feels like
+30
758 mmHg
75%
7.2
m/s
E
Climate normal
+29
+27
15 September, Sunday. day, 29°; night, 29°; rain
16
+29
+28
16 September, mon
+29
+28
Feels like
+29
757 mmHg
79%
8.5
m/s
E
Climate normal
+29
+27
16 September, Monday. day, 29°; night, 28°; light rain
17
+29
+29
17 September, tue
+29
+29
Feels like
+30
757 mmHg
78%
7.3
m/s
E
Climate normal
+29
+26
17 September, Tuesday. day, 29°; night, 29°; light rain
18
+29
+29
18 September, wed
+29
+29
Feels like
+31
757 mmHg
76%
6
m/s
E
Climate normal
+29
+27
18 September, Wednesday. day, 29°; night, 29°; rain
19
+29
+29
19 September, thu
+29
+29
Feels like
+32
757 mmHg
77%
4.7
m/s
E
Climate normal
+28
+26
19 September, Thursday. day, 29°; night, 29°; light rain
20
+29
+29
20 September, fri
+29
+29
Feels like
+32
757 mmHg
77%
3.8
m/s
SE
Climate normal
+28
+27
20 September, Friday. day, 29°; night, 29°; rain
21
+29
+29
21 September, sat
+29
+29
Feels like
+32
757 mmHg
77%
5.2
m/s
SE
Climate normal
+28
+27
21 September, Saturday. day, 29°; night, 29°; rain
22
+29
+28
22 September, sun
+29
+28
Feels like
+32
758 mmHg
77%
4.1
m/s
NE
Climate normal
+28
+27
22 September, Sunday. day, 29°; night, 28°; light rain
23
+29
+29
23 September, mon
+29
+29
Feels like
+30
758 mmHg
76%
7.1
m/s
SE
Climate normal
+29
+26
23 September, Monday. day, 29°; night, 29°; rain
24
+29
+29
24 September, tue
+29
+29
Feels like
+29
757 mmHg
77%
8.2
m/s
E
Climate normal
+29
+27
24 September, Tuesday. day, 29°; night, 29°; rain
25
+30
+30
25 September, wed
+30
+30
Feels like
+28
757 mmHg
75%
9.7
m/s
SE
Climate normal
+29
+27
25 September, Wednesday. day, 30°; night, 30°; light rain
26
+30
+28
26 September, thu
+30
+28
Feels like
+28
758 mmHg
74%
9.7
m/s
E
Climate normal
+29
+27
26 September, Thursday. day, 30°; night, 28°; light rain
27
+29
+29
27 September, fri
+29
+29
Feels like
+32
757 mmHg
75%
3.7
m/s
E
Climate normal
+29
+27
27 September, Friday. day, 29°; night, 29°; mostly clear
28
+29
+29
28 September, sat
+29
+29
Feels like
+32
758 mmHg
77%
4.1
m/s
E
Climate normal
+29
+27
28 September, Saturday. day, 29°; night, 29°; light rain
29
+29
+28
29 September, sun
+29
+28
Feels like
+29
758 mmHg
78%
6.5
m/s
SE
Climate normal
+29
+27
29 September, Sunday. day, 29°; night, 28°; rain
30
+29
+29
30 September, mon
+29
+29
Feels like
+29
758 mmHg
74%
8.3
m/s
E
Climate normal
+29
+26
30 September, Monday. day, 29°; night, 29°; light rain
Average data for 10 years
Next, the average data for 10 years
1 October
+29
+27
1 October, tue
+29
+27
Feels like
+32
753 mmHg
76%
5.3
m/s
E
+29
1 October, Tuesday. day, 29°; night, 27°; rain
2
+29
+27
2 October, wed
+29
+27
Feels like
+32
754 mmHg
76%
5.1
m/s
E
+29
2 October, Wednesday. day, 29°; night, 27°; rain
3
+29
+27
3 October, thu
+29
+27
Feels like
+32
753 mmHg
75%
5.4
m/s
E
+29
3 October, Thursday. day, 29°; night, 27°; partly cloudy
4
+29
+26
4 October, fri
+29
+26
Feels like
+32
753 mmHg
77%
4.5
m/s
E
+29
4 October, Friday. day, 29°; night, 26°; clear
5
+29
+27
5 October, sat
+29
+27
Feels like
+32
753 mmHg
75%
4.4
m/s
SE
+29
5 October, Saturday. day, 29°; night, 27°; rain
Average for 30 days
7
sunny days
21
days with precipitation
2
cloudy days
7 sunny days; 21 days with precipitation; 2 cloudy days;
75
%
air humidity
6
m/s
Wind
E
29
mm of precipitation
(4% of annual average)
+30
°C
Water temperature
air humidity 75%; 29 millimeters of precipitation (4% of annual average); Wind easterly 6 Meters per second; Water temperature +30°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
E
SE
E
E
E
E
E
E
E
E
SE
E
E
E
E
E
E
E
SE
SE
NE
SE
E
SE
E
E
E
SE
E
1
September
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
