September weather forecastAmatitlán, Mexico
September
Weather in September
September, the first month of the autumn in Amatitlán, is still a hot month, with an average temperature varying between 22.4°C (72.3°F) and 30.9°C (87.6°F).Temperature
Transitioning into September, Amatitlán records an average high-temperature of a still hot 30.9°C (87.6°F), almost identical to August's 32.2°C (90°F). During September, Amatitlán experiences an average low-temperature of 22.4°C (72.3°F) at night.Heat index
The heat index value for September is calculated to be an extremely hot 42°C (107.6°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. 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. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
The months with the highest humidity are September through December, with an average relative humidity of 84%.Rainfall
September is the month with the most rainfall. Rain falls for 27.2 days and accumulates 156mm (6.14") of precipitation.Daylight
The average length of the day in September is 12h and 14min.On the first day of September in Amatitlán, sunrise is at 6:08 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:11 pm CST.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. 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. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Amatitlán, Mexico
- Average high temperature in September: 30.9°C
The warmest month (with the highest average high temperature) is May (36°C).
The month with the lowest average high temperature is January (25°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is May (24.2°C).
The coldest month (with the lowest average low temperature) is January (17.1°C).
Average pressure in September
Amatitlán, Mexico
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is May (1012.2mbar).
Average wind speed in September
Amatitlán, Mexico
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is April (9.1km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in September
Amatitlán, Mexico
- Average humidity in September: 84%
The months with the highest relative humidity are September, October, November and December (84%).
The month with the lowest relative humidity is May (64%).
Average rainfall in September
Amatitlán, Mexico
- Average rainfall in September: 156mm
The wettest month (with the highest rainfall) is September (156mm).
The driest month (with the least rainfall) is March (18mm).
Average rainfall days in September
Amatitlán, Mexico
- Average rainfall days in September: 27.2 days
The month with the highest number of rainy days is September (27.2 days).
The month with the least rainy days is February (9.9 days).
Average daylight in September /
Average sunshine in September
Amatitlán, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Amatitlán, Mexico
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is September (2.2 days).
Average UV index in September
Amatitlán, Mexico
- Average UV index in September: 6
The months with the highest UV index are March, April, May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in September
Amatitlán, Mexico
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is April (Cloud cover 24).
Average visibility in September
Amatitlán, Mexico
- Average visibility in September: 8km
The months with the highest visibility are April and May (10km).
The months with the lowest visibility are January, February, July, August, September, October, November and December (8km).
