18.09
fri
fri
Day
70°F
NW 11 mph
Precip.
15%
15%
Night
70°F
W 6 mph
Precip.
13%
13%
19.09
sat
sat
Day
70°F
W 9 mph
Precip.
8%
8%
Night
72°F
W 6 mph
Precip.
6%
6%
20.09
sun
sun
Day
72°F
SW 14 mph
Precip.
17%
17%
Night
73°F
SW 17 mph
Precip.
19%
19%
21.09
mon
mon
Day
73°F
SW 5 mph
Precip.
19%
19%
Night
72°F
N 9 mph
Precip.
19%
19%
22.09
tue
tue
Day
73°F
W 9 mph
Precip.
7%
7%
Night
73°F
SW 11 mph
Precip.
8%
8%
23.09
wed
wed
Day
75°F
SW 11 mph
Precip.
17%
17%
Night
75°F
SW 12 mph
Precip.
17%
17%
24.09
thu
thu
Day
75°F
SW 11 mph
Precip.
9%
9%
Night
73°F
NW 7 mph
Precip.
7%
7%
25.09
fri
fri
Day
72°F
NW 21 mph
Precip.
38%
38%
Night
72°F
NW 27 mph
Precip.
19%
19%
26.09
sat
sat
Day
68°F
NW 27 mph
Precip.
16%
16%
Night
70°F
NW 29 mph
Precip.
18%
18%
27.09
sun
sun
Day
68°F
NW 27 mph
Precip.
15%
15%
Night
68°F
NW 32 mph
Precip.
29%
29%
28.09
mon
mon
Day
70°F
W 27 mph
Precip.
12%
12%
Night
70°F
NW 28 mph
Precip.
31%
31%
29.09
tue
tue
Day
72°F
W 22 mph
Precip.
17%
17%
Night
72°F
W 22 mph
Precip.
14%
14%
30.09
wed
wed
Day
73°F
W 19 mph
Precip.
9%
9%
Night
73°F
W 20 mph
Precip.
23%
23%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 75.0°F. The highest and lowest sea temperatures during the month were 77.0°F and 72.9°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 78.3°F and 74.5°F.
Air temperature in Avarua , °F
Precipitation total in Avarua , in.
* Charts above show average data for the last 3 years.
Best time for vacation in Avarua
Avarua on a weather map
24 Hours Forecast
Avarua
Local time: 01:01
September 18, friday
0300
70°F
NW
10 mph
10 mph
0600
70°F
NW
9 mph
9 mph
0900
70°F
W
9 mph
9 mph
1200
70°F
NW
11 mph
11 mph
1500
70°F
NW
12 mph
12 mph
1800
70°F
NW
9 mph
9 mph
2100
70°F
W
9 mph
9 mph
September 19, saturday
0000
70°F
W
6 mph
6 mph
