The highest day temperature in September 2023 was 73°F. The lowest night temperature was 39°F. The average values for day and night temperatures during September were 62.9°F и 53.1°F respectivly.

The average sea surface temperature in September 2023 for Juvaskyla was 61.3°F. The maximum and minimum values were 56.8°F and 65.6°F respectively.

Most of the days in September are gloomy but you can also expect sunny days.

Precipitation total in September for Juvaskyla is 1.9 in.

The average wind speed in September is 7.0 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Juvaskyla in September is 5.5 hours.