September weather forecast
Jalcocotán, Mexico

The first month of the autumn, September, is also a moderately hot month in Jalcocotán, Mexico, with an average temperature fluctuating between 29.6°C (85.3°F) and 20.4°C (68.7°F).

Temperature

Jalcocotán's transition from August to September introduces an average high-temperature of a warm 29.6°C (85.3°F), marking an insignificant variation from the 30.3°C (86.5°F). An average temperature of 20.4°C (68.7°F) is recorded during the nights in September.

Heat index

Throughout September, the heat index is appraised at a very hot 38°C (100.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Heat index determinations are made taking into account the shade and light air movements. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The months with the highest humidity in Jalcocotán are August and September, with an average relative humidity of 86%.

Rainfall

In Jalcocotán, in September, during 29 rainfall days, 339mm (13.35") of precipitation is typically accumulated. In Jalcocotán, Mexico, during the entire year, the rain falls for 164.8 days and collects up to 1589mm (62.56") of precipitation.

Daylight

The average length of the day in September is 12h and 16min.
On the first day of September, sunrise is at 5:43 am and sunset at 6:16 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 5:48 pm MST.

Sunshine

In Jalcocotán, the average sunshine in September is 7.5h.

UV index

February through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.