World Resorts Portugal Terceira Island Weather

Terceira Island 14 Days Forecast

16.09
wed
Day
70°F
W 12 mph
Precip.
20%
Night
64°F
W 7 mph
Precip.
15%
17.09
thu
Day
70°F
W 7 mph
Precip.
10%
Night
64°F
W 6 mph
Precip.
22%
18.09
fri
Day
70°F
NW 6 mph
Precip.
13%
Night
64°F
NW 5 mph
Precip.
12%
19.09
sat
Day
72°F
NW 7 mph
Precip.
4%
Night
64°F
NW 8 mph
Precip.
28%
20.09
sun
Day
72°F
NW 7 mph
Precip.
6%
Night
66°F
NW 4 mph
Precip.
28%
21.09
mon
Day
72°F
W 3 mph
Precip.
14%
Night
66°F
W 4 mph
Precip.
11%
22.09
tue
Day
72°F
W 4 mph
Precip.
12%
Night
64°F
NW 6 mph
Precip.
26%
23.09
wed
Day
72°F
N 7 mph
Precip.
5%
Night
66°F
N 8 mph
Precip.
14%
24.09
thu
Day
70°F
NE 14 mph
Precip.
46%
Night
63°F
SE 14 mph
Precip.
5%
25.09
fri
Day
66°F
SE 7 mph
Precip.
13%
Night
63°F
S 5 mph
Precip.
19%
26.09
sat
Day
64°F
SW 11 mph
Precip.
21%
Night
63°F
SW 11 mph
Precip.
21%
27.09
sun
Day
64°F
SW 7 mph
Precip.
16%
Night
61°F
SW 4 mph
Precip.
21%
28.09
mon
Day
66°F
E 2 mph
Precip.
8%
Night
64°F
NE 4 mph
Precip.
18%
29.09
tue
Day
68°F
NE 6 mph
Precip.
11%
Night
66°F
NE 6 mph
Precip.
18%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 75.5°F. The highest and lowest sea temperatures during the month were 76.5°F and 74.3°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
15:27
Terceira Island
+70°F
W 11 mph
Feels like: +70°F
Precip.: 23%
Places in Portugal:
Name
°F
Albufeira
+77°F
Algarve
+79°F
Cascais
+66°F
Quarteira
+79°F
Lagos
+70°F
Lisbon
+75°F
Madeira
+75°F
Ponta Delgada
+72°F
Portimao
+82°F
Porto
+82°F
Sao Miguel
+72°F
Setubal
+81°F
Faro
+79°F
Funchal
+75°F
Ericeira
+72°F
all places
24 Hours Forecast
Terceira Island
Local time: 15:27
September 16, wednesday
1800
68°F
W
9 mph
2100
66°F
W
8 mph
September 17, thursday
0000
64°F
W
7 mph
0300
64°F
W
6 mph
0600
64°F
W
7 mph
0900
66°F
W
6 mph
1200
70°F
W
7 mph
1500
68°F
W
7 mph
Units of measurement: °C / °F