The highest day temperature in September 2025 was 71°F. The lowest night temperature was 35°F. The average values for day and night temperatures during September were 57.4°F и 47.3°F respectivly.

The average sea surface temperature in September 2025 for Severomorsk was 50.5°F. The maximum and minimum values were 47.6°F and 52.8°F respectively.

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

Precipitation total in September for Severomorsk is 1.3 in. It makes september the most rainy month of the year.

The average wind speed in September is 10.8 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 Severomorsk in September is 4.5 hours.