September weather forecast
Holon, Israel

September in Holon witnesses a break in the summertime heat, as the average high temperature dips to 29.3°C (84.7°F). Interestingly, there is a slight increase in precipitation to 2mm (0.08"), marking the first signs of change in seasons. As temperatures slowly start to descend, residents can enjoy more comfortable nights and less intense sunlight. The city experiences a touch more rainfall than the preceding months, signaling the onset of autumn. Thus, September serves as a gentle transition from the fiercer summer months to the more moderate autumn season.

Temperature

Holon's transition from August to September introduces an average high-temperature of a warm 29.3°C (84.7°F), marking an insignificant variation from the 30.9°C (87.6°F). In Holon, the nighttime temperature averages to an agreeable 22.9°C (73.2°F) during September.

Heat index

The heat index value for September is evaluated at a tropical 33°C (91.4°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The average relative humidity in September in Holon is 66%.

Rainfall

January through June, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 2.4 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, in Holon, there are 69.7 rainfall days, and 203mm (7.99") of precipitation is accumulated.

Sea temperature

In Holon, the average seawater temperature in September is 28.3°C (82.9°F).
Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.

Daylight

In Holon, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 06:16 and sunset at 19:05. On the last day of September, in Holon, sunrise is at 06:34 and sunset at 18:27 IDT.

Sunshine

In September, the average sunshine in Holon is 10.1h.

UV index

The months with the highest UV index in Holon, Israel, are June through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 7 during September translates into the following guidance:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Attention! UV radiation is markedly stronger with water and sand reflections.