The highest day temperature in September 2023 was 112°F. The lowest night temperature was 76°F. The average values for day and night temperatures during September were 99.8°F и 80.5°F respectivly.

Almost all days in September are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in September for Helwan is 0.0 in. This value is relatively stable throughout the year.

The average wind speed in September is 10.8 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 Helwan in September is 11.9 hours.