September weather forecast
Dimona, Israel

September marks the gradual transition from summer to autumn in Dimona. A unique aspect of the September climate is the dip in temperature to 30.9°C (87.6°F), signaling the summer's end. Though still dry, there's a slight increase in rainfall which continues into October as the autumn season becomes more pronounced. As September ends, October brings fresher winds and moderate climate.

Temperature

Dimona, Israel, experiences an average high-temperature of a still tropical 30.9°C (87.6°F) in September, marking an insignificant shift from 33.3°C (91.9°F) in August. Nighttime temperatures in September average to an agreeable 21.4°C (70.5°F) in Dimona.

Heat index

In September, the average heat index is evaluated at a very hot 35°C (95°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

With an average relative humidity of 61%, September is the most humid month in Dimona.

Rainfall

January through June, September through December are months with rainfall. September is the first month it rains in Dimona. Throughout September, in the average 2.1 rainfall days, it receives 1mm (0.04") of precipitation. In Dimona, during the entire year, the rain falls for 63.2 days and collects up to 132mm (5.2") of precipitation.

Daylight

In Dimona, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 06:16 and sunset at 19:03. On the last day of September, sunrise is at 06:33 and sunset at 18:26 IDT.

Sunshine

The average sunshine in September is 10.1h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 in September translates into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.