The highest day temperature in September 2025 was 96°F. The lowest night temperature was 47°F. The average values for day and night temperatures during September were 77.4°F и 62.7°F respectivly.

The average sea surface temperature in September 2025 for Astrahan was 55.5°F. The maximum and minimum values were 49.8°F and 63.2°F respectively.

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

Precipitation total in September for Astrahan is 0.6 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 10.5 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 Astrahan in September is 9.9 hours.