Weather in Wilsonville in September

General weather information about Wilsonville

Average annual temperature is 9.6 °C

Absolute maximum temperature: 31.4 °C

Absolute minimum temperature: -18.0 °C

Number of sunny days: 145 days

Number of rainy days: 194 days

Number of snow days: 26 days

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* Weather data for Wilsonville Canada is based on climate observations for 2026 year

Wilsonville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.912.811.325.929.731.430.327.630.827.413.813.1
Average daytime temperature (°C)2.24.34.914.319.924.326.424.422.515.57.85.8
Average temperature (°C)-0.8-1.00.18.213.318.721.319.417.411.73.72.9
Average night temperature (°C)-3.6-5.2-3.93.07.213.616.515.113.38.50.00.5
Absolute minimum temperature (°C)-15.0-18.0-9.1-6.31.19.512.39.16.3-2.0-6.3-4.6

Wilsonville monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.315.013.912.511.09.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)2.56.36.58.511.411.711.210.59.46.15.23.1
Precipitation (mm)8687109120451141206836735887
Sunny days10121011231211117111512
Rainy days15111119818302013191218
Snow days6510000000131

Wilsonville - weather forecast by months

Wilsonville weather in januaryWilsonville weather in februaryWilsonville weather in marchWilsonville weather in aprilWilsonville weather in mayWilsonville weather in juneWilsonville weather in julyWilsonville weather in augustWilsonville weather in septemberWilsonville weather in octoberWilsonville weather in novemberWilsonville weather in december

Best time to visit Wilsonville:

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

  • May — 11.4(h)
  • June — 11.7(h)
  • July — 11.2(h)
  • August — 10.5(h)

Months with the longest average daylight duration in Wilsonville:

  • June — 15.3(h)

The largest precipitation sum in Wilsonville is at

  • March — 109(mm)
  • April — 120(mm)
  • June — 114(mm)
  • July — 120(mm)

    • Weather forecast in the closest to Wilsonville admin centers

    Weather forecast in the closest towns to Wilsonville

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    Frequently asked questions

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