The highest day temperature in September 2026 was 74°F. The lowest night temperature was 47°F. The average values for day and night temperatures during September were 65.4°F и 55.4°F respectivly.

The average sea surface temperature in September 2026 for Kaliningrad was 63.8°F. The maximum and minimum values were 59.4°F and 67.8°F respectively.

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in September for Kaliningrad is 1.9 in.

The average wind speed in September is 9.0 mph. It makes September one of the most windless months of the year for Kaliningrad.

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 Kaliningrad in September is 7.2 hours.