Weather - Helsinki Selected year and month

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Weather curves and statistics of month 09/2020
month curves
Low temperature +3.5°C 2020-09-20
High temperature +19.3°C 2020-09-01
Low wind chill 0.6°C 2020-09-20
Average temperature +12.5°C  
High wind speed (10min) 13.9m/s 2020-09-10
Low pressure 990.4hPa 2020-09-10
High pressure 1027.0hPa 2020-09-02
Low R.H 0% 2020-09-02
High daily precipitation 15.8mm 2020-09-12
Total precipitation of the month 73mm  
daily averages

If mean daily temperature is continuously:
< 0 °C = thermal winter,   > +10°C = thermal summer
0°C - +10°C = thermal spring or thermal autumn

Unit conversions:
  • Temperature: 0 °C = 32 °F,    (°F = 32 +1.8*°C)
  • Wind speed:  1 m/s = 3,6 km/h = 2.23694 mph = 1.94387 kt