Dahab October Weather Averages. The best time of year to visit Dahab in Egypt. Average high air temperature in Dahab in September is 34°C/92°F, and average low air temperature is 23°C/74°F. September is in the fall / autumn in Dahab and is typically the 4th warmest month of the year. However, the heat may still be too much for some, especially after significant exposure to the sun. The average sea surface temperature in September 2019 for Dahab was 85.3°F.The maximum and minimum values were 83.4°F and 87.4°F respectively. Current water temperature Dahab During October, although the daily weather remains dry, hot and sunny, temperatures in Dahab begin to cool off significantly and many venues for entertainment and festivals start to re-open after a break over the hot summer months. September is a hot time for sunbathing in Dahab.September is an excellent month for swimming in Dahab with very warm sea temperatures. October, the same as September, is another hot autumn month, with average temperature varying between 30.5°C (86.9°F) and 19.8°C (67.6°F). Daytime maximum temperatures average around a warm 35°C (94°F), whilst at night 23°C (73°F) is normal. October weather forecast for Dahab, Egypt. Consider visiting Dahab in the months of May, July, August, October, for the best beach weather.Also consider one of our other suggestions for September. The climate in Dahab during September can be summarized as very hot and very dry. The warmest sea in Dahab in September is 29.5°C/85.1°F, and the coldest sea temperature in September is 25.2°C/77.4°F. Get the monthly weather forecast for Dahab, South Sinai, Egypt, including daily high/low, historical averages, to help you plan ahead. Get the monthly weather forecast for Sharm el Sheikh, South Sinai, Egypt, including daily high/low, historical averages, to help you plan ahead. Get the forecast for today, tonight & tomorrow's weather for Dahab, South Sinai, Egypt. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! Here are some average weather facts we collected from our historical climate data: During the month of January, February and December you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F). Note : In October, the average maximum UV index of 7 translate into the following recommendations: Take precautions and utilize sun safety practices.