September weather forecast
Shrewsbury, LA

September, the first month of the autumn in Shrewsbury, is still a hot month, with an average temperature fluctuating between 86.5°F (30.3°C) and 75.2°F (24°C).

Temperature

The transition from August to September sees average high-temperatures adjusting to a still hot 86.5°F (30.3°C), from a not significantly different 89.1°F (31.7°C). During September nights, Shrewsbury records an average temperature of 75.2°F (24°C).

Heat index

Throughout September, the heat index is evaluated at a sweltering 98.6°F (37°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Shrewsbury, in September, during 10.9 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 104.1 rainfall days, and 8.39" (213mm) of precipitation is accumulated.

Daylight

In Shrewsbury, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:22 pm. On the last day of September, in Shrewsbury, Louisiana, sunrise is at 6:53 am and sunset at 6:46 pm CDT.

Sunshine

In Shrewsbury, the average sunshine in September is 10.2h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 7 during September translates into the following guidance:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.