Weather in Rathwatta in September

General weather information about Rathwatta

Average annual temperature is 21.6 °C

Absolute maximum temperature: 29.1 °C

Absolute minimum temperature: 14.8 °C

Number of sunny days: 29 days

Number of rainy days: 336 days

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* Weather data for Rathwatta Sri Lanka is based on climate observations for 2026 year

Rathwatta air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)24.826.028.629.128.426.825.827.625.526.726.626.7
Average daytime temperature (°C)23.724.926.427.425.825.024.125.924.124.925.324.8
Average temperature (°C)20.020.922.022.722.522.121.422.021.221.521.721.7
Average night temperature (°C)16.917.518.819.320.220.119.619.419.519.419.419.5
Absolute minimum temperature (°C)14.815.118.017.718.519.518.717.918.617.918.317.4

Rathwatta monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.711.912.112.312.512.512.512.412.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.29.610.110.29.410.49.210.88.77.97.77.6
Precipitation (mm)7264125170167179242103217489797322
Sunny days1373200000103
Rainy days182128283130313130303028
Snow days000000000000

Rathwatta - weather forecast by months

Rathwatta weather in januaryRathwatta weather in februaryRathwatta weather in marchRathwatta weather in aprilRathwatta weather in mayRathwatta weather in juneRathwatta weather in julyRathwatta weather in augustRathwatta weather in septemberRathwatta weather in octoberRathwatta weather in novemberRathwatta weather in december

Best time to visit Rathwatta:

The largest precipitation sum in Rathwatta is at

  • October — 489(mm)
  • November — 797(mm)
  • December — 322(mm)

    • Weather forecast in the closest to Rathwatta admin centers

    Weather forecast in the closest towns to Rathwatta

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    Frequently asked questions

    When is the best time to visit Rathwatta?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Rathwatta.
    What is the weather like in Rathwatta?
    See average temperature, rainfall and daylight hours for Rathwatta by month in the table above.
    How many sunny days does Rathwatta have?
    The monthly weather statistics above show sunshine and rainfall patterns for Rathwatta throughout the year.