September weather forecastMier, Mexico
September
Weather in September
September, the first month of the autumn in Mier, is still a hot month, with temperature in the range of an average low of 25.1°C (77.2°F) and an average high of 33.9°C (93°F).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's fiery hot 38.1°C (100.6°F) to a hot 33.9°C (93°F). During the nights in September, the temperature averages to a moderately hot 25.1°C (77.2°F).Heat index
During September, the heat index is computed to be a blistering 42°C (107.6°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. 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. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
The average relative humidity in September is 61%.Rainfall
The month with the most rainfall is September, when the rain falls for 14.5 days and typically aggregates up to 58mm (2.28") of precipitation.Snowfall
February through December are months without snowfall.Daylight
In September, the average length of the day is 12h and 18min.On the first day of the month, sunrise is at 6:16 am and sunset at 6:55 pm. On the last day of September, sunrise is at 6:28 am and sunset at 6:23 pm CST.
Sunshine
In Mier, the average sunshine in September is 8.5h.UV index
In Mier, Mexico, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 7 in September translates into these instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mier, Mexico
- Average high temperature in September: 33.9°C
The warmest month (with the highest average high temperature) is August (38.1°C).
The month with the lowest average high temperature is January (21°C).
- Average low temperature in September: 25.1°C
The month with the highest average low temperature is August (26.8°C).
The coldest month (with the lowest average low temperature) is January (11.5°C).
Average pressure in September
Mier, Mexico
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is January (1020.2mbar).
The month with the lowest atmospheric pressure is May (1011.3mbar).
Average wind speed in September
Mier, Mexico
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is July (23.2km/h).
The calmest month (with the lowest average wind speed) is December (14.7km/h).
Average humidity in September
Mier, Mexico
- Average humidity in September: 61%
The month with the highest relative humidity is December (63%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Mier, Mexico
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is September (58mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in September
Mier, Mexico
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is September (14.5 days).
The month with the least rainy days is February (5.4 days).
Average snowfall days in September
Mier, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Mier, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Mier, Mexico
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is December (24.1 days).
The month with the least sunshine days is September (13.9 days).
Average UV index in September
Mier, Mexico
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Mier, Mexico
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Mier, 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).
