September weather forecastPalmillas, Mexico
September
Weather in September
The first month of the autumn, September, is still a hot month in Palmillas, Mexico, with temperature in the range of an average low of 20.4°C (68.7°F) and an average high of 30.8°C (87.4°F).Temperature
With September's arrival, Palmillas notes an average high-temperature of a still hot 30.8°C (87.4°F), closely following the trend of the preceding month. Throughout September, an average low-temperature of 20.4°C (68.7°F) is expected in Palmillas.Heat index
The heat index value for September is estimated at a sweltering 36°C (96.8°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance 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.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
September is the most humid month in Palmillas, with an average relative humidity of 68%.Rainfall
The wettest months are June and September, with an average 74mm (2.91") of rainfall.Daylight
The average length of the day in September in Palmillas is 12h and 16min.On the first day of the month, sunrise is at 6:20 am and sunset at 6:55 pm. On the last day of September, in Palmillas, sunrise is at 6:29 am and sunset at 6:26 pm CST.
Sunshine
The average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Palmillas, Mexico
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (22.4°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is June (21.7°C).
The coldest month (with the lowest average low temperature) is January (11.3°C).
Average pressure in September
Palmillas, Mexico
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is May (1012.2mbar).
Average wind speed in September
Palmillas, Mexico
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is April (13.2km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).
Average humidity in September
Palmillas, Mexico
- Average humidity in September: 68%
The month with the highest relative humidity is September (68%).
The month with the lowest relative humidity is April (54%).
Average rainfall in September
Palmillas, Mexico
- Average rainfall in September: 74mm
The wettest months (with the highest rainfall) are June and September (74mm).
The driest month (with the least rainfall) is January (5mm).
Average rainfall days in September
Palmillas, Mexico
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is December (4.2 days).
Average daylight in September /
Average sunshine in September
Palmillas, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 7h and 12min).
Average sunshine days in September
Palmillas, Mexico
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is December (25.9 days).
The month with the least sunshine days is June (7.1 days).
Average UV index in September
Palmillas, Mexico
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 5).
Average cloud cover in September
Palmillas, Mexico
- Average cloud cover in September: 27
The month with the most cloud cover is September (Cloud cover 27).
The month with the least cloud cover is February (Cloud cover 17).
Average visibility in September
Palmillas, Mexico
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
