September weather forecastAyutla de los Libres, Mexico
September
Weather in September
The first month of the autumn, September, is still a tropical month in Ayutla de los Libres, Mexico, with temperature in the range of an average low of 24.5°C (76.1°F) and an average high of 30°C (86°F).Temperature
Ayutla de los Libres starts September with an average high-temperature of a still tropical 30°C (86°F), hinting at a minimal fluctuation from August. Ayutla de los Libres records an average low of 24.5°C (76.1°F) throughout the nights in September.Heat index
For most parts of September, the heat index is appraised at a very hot 37°C (98.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Realize that the values for the heat index are set for shaded places and light winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The months with the highest humidity are September and October, with an average relative humidity of 77%.Rainfall
September is the month with the most rainfall in Ayutla de los Libres. Rain falls for 23.4 days and accumulates 190mm (7.48") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of the month, sunrise is at 6:22 am and sunset at 6:49 pm. On the last day of September, sunrise is at 6:26 am and sunset at 6:25 pm CST.
Sunshine
The month with the least sunshine is September, with an average of 8.8h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Ayutla de los Libres. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Ayutla de los Libres. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 7 turns into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ayutla de los Libres, Mexico
- Average high temperature in September: 30°C
The warmest month (with the highest average high temperature) is May (31.5°C).
The months with the lowest average high temperature are January and December (29.6°C).
- Average low temperature in September: 24.5°C
The month with the highest average low temperature is June (25.3°C).
The coldest months (with the lowest average low temperature) are January and February (22.8°C).
Average pressure in September
Ayutla de los Libres, Mexico
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is January (1013.3mbar).
The month with the lowest atmospheric pressure is May (1010.8mbar).
Average wind speed in September
Ayutla de los Libres, Mexico
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is June (9.8km/h).
The calmest month (with the lowest average wind speed) is December (7.8km/h).
Average humidity in September
Ayutla de los Libres, Mexico
- Average humidity in September: 77%
The months with the highest relative humidity are September and October (77%).
The months with the lowest relative humidity are March and April (62%).
Average rainfall in September
Ayutla de los Libres, Mexico
- Average rainfall in September: 190mm
The wettest month (with the highest rainfall) is September (190mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in September
Ayutla de los Libres, Mexico
- Average rainfall days in September: 23.4 days
The month with the highest number of rainy days is August (24.5 days).
The month with the least rainy days is February (1.1 days).
Average daylight in September /
Average sunshine in September
Ayutla de los Libres, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are March and April (Average sunshine: 10h and 0min).
The month with the least sunshine is September (Average sunshine: 8h and 48min).
Average sunshine days in September
Ayutla de los Libres, Mexico
- Average sunshine days in September: 5.3 days
The month with the most sunshine days is March (29.3 days).
The month with the least sunshine days is August (5 days).
Average UV index in September
Ayutla de los Libres, Mexico
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Ayutla de los Libres, Mexico
- Average cloud cover in September: 36
The month with the most cloud cover is September (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 8).
Average visibility in September
Ayutla de los Libres, 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).





