Weather in Alsterfors in September

General weather information about Alsterfors

Average annual temperature is 7.4 °C

Absolute maximum temperature: 27.1 °C

Absolute minimum temperature: -17.5 °C

Number of sunny days: 131 days

Number of rainy days: 207 days

Number of snow days: 27 days

Look at detailed online map of Alsterfors

* Weather data for Alsterfors Sweden is based on climate observations for 2026 year

Alsterfors air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.08.09.718.524.427.125.825.324.817.49.77.1
Average daytime temperature (°C)2.72.84.310.217.522.419.519.119.69.83.20.9
Average temperature (°C)1.00.00.65.011.616.815.415.415.17.11.4-0.8
Average night temperature (°C)-0.9-3.2-2.90.45.010.311.312.111.54.3-0.5-2.9
Absolute minimum temperature (°C)-6.5-17.5-17.4-6.0-1.74.28.98.97.8-0.2-9.3-10.7

Alsterfors monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.013.015.017.017.017.016.013.011.09.07.0
Daylight mean duration (h)7.59.511.814.316.517.817.115.212.810.48.16.9
Daylight minimum duration (h)6.08.010.013.015.017.016.014.011.09.07.06.0
Sunshine mean duration (h)1.63.85.19.813.313.512.47.78.24.01.70.6
Precipitation (mm)101366716168061100271123863
Sunny days61291722183717758
Rainy days22101611912282413242018
Snow days366200000055

Alsterfors - weather forecast by months

Alsterfors weather in januaryAlsterfors weather in februaryAlsterfors weather in marchAlsterfors weather in aprilAlsterfors weather in mayAlsterfors weather in juneAlsterfors weather in julyAlsterfors weather in augustAlsterfors weather in septemberAlsterfors weather in octoberAlsterfors weather in novemberAlsterfors weather in december

Best time to visit Alsterfors:

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

  • April — 9.8(h)
  • May — 13.3(h)
  • June — 13.5(h)
  • July — 12.4(h)

Months with the longest average daylight duration in Alsterfors:

  • May — 16.5(h)
  • June — 17.8(h)
  • July — 17.1(h)

The largest precipitation sum in Alsterfors is at

  • January — 101(mm)
  • June — 80(mm)
  • August — 100(mm)
  • October — 112(mm)

    • Weather forecast in the closest to Alsterfors admin centers

    Weather forecast in the closest towns to Alsterfors

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    Frequently asked questions

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