World Resorts Portugal Terceira Island Weather

Terceira Island 7 Days Forecast

14.09
mon
Day
73°F
S 6 mph
Precip.
31%
Night
68°F
SW 7 mph
Precip.
28%
15.09
tue
Day
68°F
SW 12 mph
Precip.
52%
Night
68°F
W 11 mph
Precip.
34%
16.09
wed
Day
70°F
W 12 mph
Precip.
21%
Night
64°F
W 8 mph
Precip.
24%
17.09
thu
Day
66°F
W 9 mph
Precip.
38%
Night
64°F
NW 7 mph
Precip.
25%
18.09
fri
Day
70°F
NW 8 mph
Precip.
17%
Night
64°F
NW 7 mph
Precip.
27%
19.09
sat
Day
70°F
NW 9 mph
Precip.
9%
Night
64°F
NW 6 mph
Precip.
18%
20.09
sun
Day
72°F
W 4 mph
Precip.
7%
Night
64°F
W 5 mph
Precip.
11%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 72.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 70.7°F.

Air temperature in Terceira Island, °F

Precipitation total in Terceira Island, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Terceira Island

Sunniest months:
August 8 days
September 7 days
June 7 days
Warmest months:
August 75.3 °F
September 73.3 °F
July 72.8 °F
Warmest sea temp:
August 73.9 °F
September 72.9 °F
July 70.7 °F
Coldest months:
March 59.8 °F
February 59.8 °F
January 60.5 °F
Rainiest months:
December 5 days
February 4 days
January 4 days
Windiest months:
December 17.0 mph
January 16.8 mph
February 16.1 mph

Terceira Island on a weather map

Current weather
23:40
Terceira Island
+68°F
SW 7 mph
Feels like: +68°F
Precip.: 28%
Places in Portugal:
Name
°F
Albufeira
+72°F
Algarve
+73°F
Cascais
+68°F
Quarteira
+73°F
Lagos
+70°F
Lisbon
+75°F
Madeira
+68°F
Ponta Delgada
+73°F
Portimao
+70°F
Porto
+70°F
Sao Miguel
+73°F
Setubal
+72°F
Faro
+73°F
Funchal
+68°F
Ericeira
+68°F
all places
24 Hours Forecast
Terceira Island
Local time: 23:40
September 15, tuesday
0000
68°F
SW
7 mph
0300
68°F
SW
8 mph
0600
68°F
SW
9 mph
0900
68°F
SW
12 mph
1200
68°F
SW
12 mph
1500
68°F
SW
13 mph
1800
68°F
W
14 mph
2100
68°F
W
12 mph
Units of measurement: °C / °F