September brings a close to the summer season in
Tel Aviv-Yafo. There's a slight decrease in temperature, however, the weather remains relatively hot with temperatures peaking at 29.4°C (84.9°F). Rainfall remains scarce, marking the third zero-rainfall month, while adding to the continuity of the hot and dry season. The general conditions, including the longer daylight hours and sea temperatures, add to the appeal for outdoor activities.
Temperature
September's beginning signals an average high-temperature of a warm 29.4°C (84.9°F), barely different from
August's 30.2°C (86.4°F). An average nighttime temperature of 22.5°C (72.5°F) is recorded in Tel Aviv-Yafo during September.
Heat index
Throughout September, the heat index is evaluated at a tropical 32°C (89.6°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. 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 extremely vital to babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in September in Tel Aviv-Yafo is 62.5%.
Rainfall
Months with rainfall are
January through
May, September through
December. September is the first month it rains in Tel Aviv-Yafo. Throughout September, in the average 0.3 rainfall days, it receives 0mm (0") of precipitation. In Tel Aviv-Yafo, during the entire year, the rain falls for 57.1 days and collects up to 528mm (20.79") of precipitation.
Sea temperature
In Tel Aviv-Yafo, in September, the average water temperature is 28.3°C (82.9°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.
Daylight
The average length of the day in September in Tel Aviv-Yafo,
Israel, 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 Tel Aviv-Yafo, sunrise is at 06:34 and sunset at 18:27 IDT.
Sunshine
In Tel Aviv-Yafo, Israel, the average sunshine in September is 10h.
UV index
In Tel Aviv-Yafo, the average daily maximum UV index in September is 9. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 9 during September, leads to the following recommendations:
Protection is paramount; otherwise, swift harm can come to the skin and eyes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Even on overcast days, a sunscreen with a sun protection factor of no less than 30 should be generously applied and reapplied, particularly after swimming or outdoor activities. Notice! The Sun's UV exposure elevates with sand and water reflections.