Weather in Tonga in September

General weather information about Tonga

Average annual temperature is 22.9 °C

Absolute maximum temperature: 34.6 °C

Absolute minimum temperature: 17.3 °C

Number of sunny days: 77 days

Number of rainy days: 288 days

Look at detailed online map of Tonga

* Weather data for Tonga Cameroon is based on climate observations for 2026 year

Tonga air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)33.434.633.831.130.528.128.529.129.229.629.131.3
Average daytime temperature (°C)31.633.129.028.228.725.926.326.326.427.627.429.6
Average temperature (°C)24.325.223.223.123.421.721.821.721.922.422.623.8
Average night temperature (°C)19.620.320.220.220.519.719.719.619.719.819.919.5
Absolute minimum temperature (°C)18.218.419.219.019.319.018.918.919.018.818.917.3

Tonga monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.012.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.912.012.112.212.312.412.412.312.112.011.911.8
Daylight minimum duration (h)11.011.012.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)10.510.47.48.59.18.08.98.18.38.48.410.5
Precipitation (mm)18211611017222215821023026312610
Sunny days221942200000523
Rainy days992728293031313031258
Snow days000000000000

Tonga - weather forecast by months

Tonga weather in januaryTonga weather in februaryTonga weather in marchTonga weather in aprilTonga weather in mayTonga weather in juneTonga weather in julyTonga weather in augustTonga weather in septemberTonga weather in octoberTonga weather in novemberTonga weather in december

Best time to visit Tonga:

The largest precipitation sum in Tonga is at

  • May — 172(mm)
  • June — 222(mm)
  • August — 210(mm)
  • September — 230(mm)
  • October — 263(mm)

    • Weather forecast in the closest to Tonga admin centers

    Weather forecast in the closest towns to Tonga