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Mamanuca weather in September

Weather in Mamanuca: September

Average day temperature: 81.9°F
Average night temperature: 70.9°F
Sea water temperature: 80.0°F
Number of sunny days: 14 days
Day length: 11.8 - 12.2 hours
Number of rainy days: 5 days
Precipitation totals: 2.8 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 82°F. At the same time the lowest night temperature was 63°F. Daily and nightly averages during September were 79.4°F and 69.6°F.

Sea water temperature in Mamanuca in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 79.9°F. The highest and lowest sea temperatures during the month were 80.8°F and 79.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Mamanuca in September is 2.7 in. It makes september one of the most dry months of the year.

Wind speed in September, mph

The average wind speed value in September is 5.8 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.5.

Best time for vacation in Mamanuca

Sunniest months:
June 16 days
July 16 days
August 14 days
Warmest months:
February 86.3 °F
January 86.0 °F
December 85.9 °F
Warmest sea temp:
February 85.2 °F
March 85.0 °F
January 84.7 °F
Coldest months:
August 80.7 °F
July 81.5 °F
September 81.9 °F
Rainiest months:
March 18 days
January 17 days
February 16 days
Windiest months:
August 7.6 mph
July 7.1 mph
February 6.7 mph

Mamanuca on a weather map

Mamanuca
+75°F
NW 4 mph
Feels like: +79°F
Precip.: 0%
Places in Fiji:
Name
°F
+75°F
+79°F
+75°F
+72°F
+72°F
+73°F
+73°F
+75°F
+81°F
24 Hours Forecast
Mamanuca
Local time: 23:37
December 06, saturday
0000
75°F
NW
4 mph
0300
73°F
NW
4 mph
0600
73°F
NW
3 mph
0900
82°F
N
1 mph
1200
84°F
SE
6 mph
1500
82°F
SE
3 mph
1800
81°F
S
2 mph
2100
77°F
S
1 mph
Units of measurement: °C / °F