Average sea water temperature in September:
+64.8°F
| Minimum sea water temperature in September: | 69.4°F |
| Maximum sea water temperature in September: | 59.0°F |
Daily sea water temperature in September, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
55
58
61
64
67
70
73
76
The average sea water temperature in September of 2024 was 61.4°F. The highest and lowest sea temperatures during the month were 64.0°F and 59.0°F.
Monthly sea water temperature in Cascais, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
60.3
62.5
64.4
64.8
63.9
63.7
63.1
61.2
59.4
57.9
57.7
58.8
Which Portugal resorts have warmest sea in September?
| Place name | September 2024 | September 2023 |
|---|---|---|
| Ponta Delgada | 75.8°F | 74.1°F |
| Santa Maria Island | 75.6°F | 75.0°F |
| Sao Miguel | 75.5°F | 73.8°F |
| Flores Island | 75.4°F | 75.0°F |
| Sao Jorge | 75.3°F | 73.4°F |
| Faial Island | 75.2°F | 73.4°F |
| Corvo Island | 75.2°F | 75.0°F |
| Pico Island | 75.2°F | 73.3°F |
| Graciosa | 75.1°F | 73.1°F |
| Madeira | 74.8°F | 76.5°F |
| Funchal | 74.8°F | 76.5°F |
| Terceira Island | 74.6°F | 73.3°F |
| Canico | 74.6°F | 76.3°F |
| Porto Santo Island | 74.1°F | 75.9°F |
| Tavira | 69.0°F | 69.9°F |
| Faro | 68.3°F | 69.1°F |
| Algarve | 68.3°F | 69.1°F |
| Quarteira | 66.9°F | 68.5°F |
| Portimao | 66.8°F | 68.0°F |
| Albufeira | 66.7°F | 68.4°F |
Best time for vacation in Cascais
Cascais on a weather map
Leaflet | Tiles © Esri
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 10:32
March 17, monday
1200
59°F
N
14 mph
14 mph
1500
59°F
NW
12 mph
12 mph
1800
55°F
NW
9 mph
9 mph
2100
55°F
SW
9 mph
9 mph
March 18, tuesday
0000
55°F
S
7 mph
7 mph
0300
54°F
SE
7 mph
7 mph
0600
55°F
SE
7 mph
7 mph
0900
57°F
E
7 mph
7 mph
