The highest day temperature in September 2026 was 89°F. The lowest night temperature was 68°F. The average values for day and night temperatures during September were 80.9°F и 74.1°F respectivly.

The average sea surface temperature in September 2026 for Sumgayit was 77.6°F. The maximum and minimum values were 75.6°F and 80.0°F respectively.

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

Precipitation total in September for Sumgayit is 0.4 in.

The average wind speed in September is 13.3 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 Sumgayit in September is 9.8 hours.