Weather in Riga in September

General weather information about Riga

Average annual temperature is 6.8 °C

Absolute maximum temperature: 34.1 °C

Absolute minimum temperature: -32.0 °C

Number of sunny days: 184 days

Number of rainy days: 134 days

Number of snow days: 47 days

Look at detailed online map of Riga

* Weather data for Riga Russia is based on climate observations for 2026 year

Riga air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.73.117.127.430.229.434.133.325.519.311.63.5
Average daytime temperature (°C)-9.8-5.35.715.622.521.626.925.720.29.43.1-5.9
Average temperature (°C)-12.7-7.81.79.417.017.022.120.815.06.30.4-8.3
Average night temperature (°C)-15.8-10.8-2.23.110.411.616.515.19.82.8-2.9-11.1
Absolute minimum temperature (°C)-32.0-18.8-8.6-3.8-0.37.711.58.66.3-4.5-15.9-31.3

Riga monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.015.016.017.016.015.013.011.09.07.0
Daylight mean duration (h)8.19.811.914.015.917.016.514.812.710.68.67.5
Daylight minimum duration (h)7.08.010.013.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)4.22.07.410.612.211.012.212.010.24.73.01.8
Precipitation (mm)244438912703918141029150
Sunny days22614242014131722101012
Rainy days22126111618148201411
Snow days7205000000168

Riga - weather forecast by months

Riga weather in januaryRiga weather in februaryRiga weather in marchRiga weather in aprilRiga weather in mayRiga weather in juneRiga weather in julyRiga weather in augustRiga weather in septemberRiga weather in octoberRiga weather in novemberRiga weather in december

Best time to visit Riga:

The best time to visit Riga during the most sunny months:

  • April — 10.6(h)
  • May — 12.2(h)
  • June — 11.0(h)
  • July — 12.2(h)
  • August — 12.0(h)
  • September — 10.2(h)

Months with the longest average daylight duration in Riga:

  • May — 15.9(h)
  • June — 17.0(h)
  • July — 16.5(h)

The largest precipitation sum in Riga is at

  • June — 70(mm)
  • October — 102(mm)
  • November — 91(mm)

    • Weather forecast in the closest to Riga admin centers

    Weather forecast in the closest towns to Riga

    Frequently asked questions

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