September weather forecast
Alturas, FL

September, the first month of the autumn in Alturas, is still a tropical month, with an average temperature ranging between min 73.6°F (23.1°C) and max 88°F (31.1°C).

Temperature

Entering September, the average high-temperature is recorded at a still hot 88°F (31.1°C), exhibiting a minimal shift from August's 90°F (32.2°C). Throughout September, Alturas witnesses a consistent average low-temperature of 73.6°F (23.1°C).

Heat index

For most parts of September, the heat index is calculated to be a scorching 105.8°F (41°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The most humid month is September, with an average relative humidity of 80%.

Rainfall

In Alturas, in September, it is raining for 20.2 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 166.5 rainfall days, and 19.09" (485mm) of precipitation is accumulated.

Daylight

In Alturas, the average length of the day in September is 12h and 19min.
On the first day of September, sunrise is at 7:05 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:13 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.