The highest day temperature in September 2025 was 71°F. The lowest night temperature was 40°F. The average values for day and night temperatures during September were 56.5°F и 46.2°F respectivly.

The average sea surface temperature in September 2025 for Ust-Barguzin was 59.7°F. The maximum and minimum values were 57.0°F and 64.4°F respectively.

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

Precipitation total in September for Ust-Barguzin is 0.9 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 6.9 mph. It makes September one of the most windy months of the year for Ust-Barguzin.

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 Ust-Barguzin in September is 6.5 hours.