09.08
tue
tue
DAY
52°F
NE 9 mph
precip
6%
6%
NIGHT
52°F
N 7 mph
precip
22%
22%
09.09
wed
wed
DAY
54°F
NE 9 mph
precip
8%
8%
NIGHT
52°F
N 9 mph
precip
27%
27%
09.10
thu
thu
DAY
56°F
NE 9 mph
precip
24%
24%
NIGHT
54°F
N 9 mph
precip
24%
24%
09.11
fri
fri
DAY
56°F
N 7 mph
precip
18%
18%
NIGHT
52°F
N 13 mph
precip
15%
15%
09.12
sat
sat
DAY
52°F
NE 6 mph
precip
24%
24%
NIGHT
52°F
N 5 mph
precip
7%
7%
09.13
sun
sun
DAY
58°F
NE 5 mph
precip
4%
4%
NIGHT
54°F
N 8 mph
precip
6%
6%
09.14
mon
mon
DAY
58°F
N 13 mph
precip
6%
6%
NIGHT
58°F
N 8 mph
precip
13%
13%
09.15
tue
tue
DAY
60°F
NE 12 mph
precip
19%
19%
NIGHT
54°F
N 3 mph
precip
11%
11%
09.16
wed
wed
DAY
58°F
E 5 mph
precip
19%
19%
NIGHT
54°F
N 8 mph
precip
31%
31%
09.17
thu
thu
DAY
60°F
N 14 mph
precip
5%
5%
NIGHT
56°F
N 9 mph
precip
29%
29%
09.18
fri
fri
DAY
56°F
NE 8 mph
precip
29%
29%
NIGHT
56°F
N 10 mph
precip
30%
30%
09.19
sat
sat
DAY
56°F
NE 8 mph
precip
28%
28%
NIGHT
52°F
N 10 mph
precip
11%
11%
09.20
sun
sun
DAY
58°F
N 17 mph
precip
18%
18%
NIGHT
54°F
N 12 mph
precip
27%
27%
09.21
mon
mon
DAY
58°F
N 12 mph
precip
21%
21%
NIGHT
56°F
N 9 mph
precip
21%
21%
Sea water
temperature
temperature
| San Antonio |
Weather in
September
September
| San Antonio |
7 day weather
forecast
forecast
| San Antonio |
10 day weather
forecast
forecast
| San Antonio |
14 day weather
forecast
forecast
| San Antonio |
Monthly weather
averages
averages
| San Antonio |
Current Weather
Conditions
Conditions
| San Antonio |
When is the Best
Time to Visit?
Time to Visit?
| San Antonio |
San Antonio Sea Water Temperature in September, °F
The average sea surface temperature in September 2025 for San Antonio was 55.8°F. The maximum and minimum values were 54.4°F and 56.8°F respectively.
San Antonio on the Weather Map
Chile Resorts:
NAME
F°
| Algarrobo |  |
+54 |
| Antofagasta |  |
+58 |
| Arica | |
+66 |
| Chiloe | |
+48 |
| Concepcion |  |
+54 |
| Concon | |
+52 |
| Easter Island | |
+68 |
| La Serena | |
+56 |
| Las Cruces | |
+54 |
| Puerto Montt | |
+48 |
| Puerto Natales | |
+40 |
| Punta Arenas | |
+40 |
| Torres del Paine | |
+30 |
| Valparaiso | |
+52 |
| Vina del Mar | |
+52 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
San Antonio
Local time: 17:30
08 sep, tuesday
| 1800 | |
54°F | NE 7 mph |
| 2100 | |
52°F | N 6 mph |
09 sep, wednesday
| 0000 | |
52°F | N 7 mph |
| 0300 | |
52°F | NW 4 mph |
| 0600 | |
50°F | NW 4 mph |
| 0900 | |
50°F | NW 5 mph |
| 1200 | |
54°F | NE 9 mph |
| 1500 | |
54°F | NE 11 mph |