September weather forecast
Al Jafnayn, Oman

Temperature gradually descends in September, showcasing an observed high of 35.9°C (96.6°F) and an all-time observed low of 27.9°C (82.2°F), signaling an approaching change in the season at Al Jafnayn. The conditions swiftly start transforming from the punishing summer months to a more bearable autumn season. This transformation can also be attributed to the slight increase in cloud cover that helps alleviate the high temperatures. A significant drop in rainfall is also noted, which further accentuates the changing seasons. The combination of these factors presents a marked contrast from the extreme weather conditions of the summer months.

Temperature

Al Jafnayn's average high-temperature marks a still torrid 35.9°C (96.6°F) with the advent of September, closely mirroring that of the preceding month. The average low-temperature of 27.9°C (82.2°F) is witnessed during September.

Heat index

The average heat index in September is calculated to be a blisteringly hot 41°C (105.8°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in September is 45%.

Rainfall

September is the only month when rain does not fall in Al Jafnayn.

Daylight

In Al Jafnayn, the average length of the day in September is 12h and 17min.
On the first day of the month, sunrise is at 05:49 and sunset at 18:24. On the last day of September, sunrise is at 05:58 and sunset at 17:55 +04.

Sunshine

The average sunshine in September is 11.8h.

UV index

In Al Jafnayn, the average daily maximum UV index in September is 8. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 8 during September translates into the following directions:
Without proper safety measures, skin and eyes can be quickly harmed. Be sure to protect yourself. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.