September weather forecast and climate
Funafuti, Tuvalu TV

• Average high temperature in September: 30°C

Warmest months (with the highest average high temperature) are January, April, May, October, November and December (31°C).
Months with the lowest average high temperature are February, March, June, July, August and September (30°C).

• Average low temperature in September: 27°C

The month with the highest average low temperature is May (28°C).
Coldest months (with the lowest average low temperature) are January, February, March, April, June, July, August, September, October, November and December (27°C).

• Average rainfall in September: 231mm

The wettest month (with the highest rainfall) is December (394mm).
The driest month (with the lowest rainfall) is September (231mm).

• Average rainfall days in September: 19 days

The month with the highest number of rainy days is March (21 days).
Months with the lowest number of rainy days are November and December (17 days).

• Average sea temperature in September: 29.1°C

Best months for swimming (with the highest average sea temperature) are January, April, May, November and December (29.8°C).
Coldest months (with the lowest average sea temperature) are August and September (29.1°C).

• Average daylight in September: 12.1h

Months with the longest days are January and December (Average daylight: 12.6h).
The month with shortest days is June (Average daylight: 11.6h).

• Average sunshine in September: 19h

The month with most sunshine is March (Average sunshine: 21h).
Months with least sunshine are November and December (Average sunshine: 17).

• Average UV index in September: 12

Months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 9).