The highest day temperature in September 2026 was 106°F. The lowest night temperature was 61°F. The average values for day and night temperatures during September were 87.3°F и 71.6°F respectivly.

The average sea surface temperature in September 2026 for Norfolk was 83.7°F. The maximum and minimum values were 72.4°F and 90.0°F respectively.

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

Precipitation total in September for Norfolk is 1.2 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 8.9 mph.

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 Norfolk in September is 6.9 hours.