Measurements:
°C
°F
CURRENT WEATHER
10:15
Avarua 
76°F
W 10 mph
Feels like: 80°F
Precip: 24%
World Resorts Cook Islands Avarua  Weather

7 Day Weather Forecast

09.08
tue
DAY
76°F
W 9 mph
precip
22%
NIGHT
74°F
NW 9 mph
precip
9%
09.09
wed
DAY
74°F
NW 5 mph
precip
8%
NIGHT
74°F
NW 3 mph
precip
20%
09.10
thu
DAY
74°F
S 2 mph
precip
8%
NIGHT
76°F
SE 4 mph
precip
8%
09.11
fri
DAY
76°F
SE 10 mph
precip
7%
NIGHT
76°F
SE 12 mph
precip
23%
09.12
sat
DAY
74°F
E 14 mph
precip
66%
NIGHT
74°F
N 9 mph
precip
22%
09.13
sun
DAY
72°F
N 11 mph
precip
19%
NIGHT
72°F
N 14 mph
precip
6%
09.14
mon
DAY
72°F
NW 14 mph
precip
5%
NIGHT
70°F
NW 18 mph
precip
33%

Avarua  Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Avarua  was 24.8°F. The maximum and minimum values were 23.9°F and 25.4°F respectively.

Avarua  on the Weather Map

Best Time to Visit Avarua 
The most sunny months:
July 5 days
September 5 days
August 5 days
The most warm months:
March 87.0 °F
February 86.5 °F
January 85.8 °F
Warmest sea temperature:
March 85.9 °F
February 85.5 °F
April 84.9 °F
The most cold months:
August 77.3 °F
September 78.1 °F
October 78.8 °F
The most rainy months:
March 11 days
February 9 days
January 8 days
The most windy months:
October 16 mph
May 15 mph
September 15 mph
more details