The highest day temperature in September 2025 was 86°F. The lowest night temperature was 52°F. The average values for day and night temperatures during September were 73.0°F и 65.1°F respectivly.

The average sea surface temperature in September 2025 for Koblevo was 71.8°F. The maximum and minimum values were 64.8°F and 77.4°F respectively.

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

Precipitation total in September for Koblevo is 0.8 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 10.2 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 Koblevo in September is 9.6 hours.