Weather in Onís in September

General weather information about Onís

Average annual temperature is 13.2 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: -2.9 °C

Number of sunny days: 116 days

Number of rainy days: 249 days

Look at detailed online map of Onís

* Weather data for Onís Spain is based on climate observations for 2026 year

Onís air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.416.925.120.928.628.025.735.528.229.920.719.2
Average daytime temperature (°C)9.310.415.415.616.220.720.522.122.621.115.112.3
Average temperature (°C)6.06.110.811.913.017.417.618.618.517.011.78.8
Average night temperature (°C)3.02.56.88.49.614.214.815.415.013.49.05.7
Absolute minimum temperature (°C)-2.7-2.9-2.52.16.211.412.511.49.66.24.71.2

Onís 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)9.410.511.913.414.715.315.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.77.78.69.110.29.78.39.19.66.55.25.6
Precipitation (mm)382767811717819297146130171268146
Sunny days919111344491213612
Rainy days22920172726272218182419
Snow days000000000000

Best time to visit Onís:

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

  • May — 10.2(h)

Months with the longest average daylight duration in Onís:

  • June — 15.3(h)

The largest precipitation sum in Onís is at

  • January — 382(mm)
  • November — 268(mm)