Long term weather forecast
Long term weather forecast

September weather forecast and Climate
Alofi, Niue

  • Average high temperature in September: 26°C

Warmest months (with highest average high temperature) are January, February and March (29°C).
Months with lowest average high temperature are July and August (25°C).

  • Average low temperature in September: 20°C

Months with highest average low temperature are January, February and March (23°C).
Coldest months (with lowest average low temperature) are July, August and September (20°C).

  • Average rainfall in September: 138mm

Wettest month (with highest rainfall) is March (322mm).
Driest month (with lowest rainfall) is July (87mm).

  • Average rainfall days in September: 5 days

Months with highest number of rainy days are January and March (18 days).
Month with lowest number of rainy days is August (3 days).

  • Average sea temperature in September: 25°C

Best months for swimming (with highest average sea temperature) are January, February, March and April (28°C).
Coldest months (with lowest average sea temperature) are July, August, September and October (25°C).

  • Average daylight in September: 12h

Months with longest days are January, February, October, November and December (Average daylight: 13h).
Months with shortest days are May, June, July and August (Average daylight: 11h).

  • Average sunshine in September: 5h

Months with most sunshine are January and March (Average sunshine: 18h).
Month with least sunshine is August (Average sunshine: 3h).

  • Average UV index in September: 11

Months with highest UV index are January, February, March, October, November and December (UV index 12).
Month with lowest UV index is June (UV index 6).