September weather forecastCopainalá, Mexico
September
Weather in September
September, the first month of the autumn in Copainalá, is also a moderately hot month, with an average temperature ranging between min 17.3°C (63.1°F) and max 27.2°C (81°F).Temperature
The shift into September finds Copainalá at an average high-temperature of a still warm 27.2°C (81°F), closely comparable to August's conditions. During the nights in September, Copainalá experiences a consistent average temperature of 17.3°C (63.1°F).Heat index
The heat index for September is calculated to be a tropical 31°C (87.8°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
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 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 hold particular significance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The most humid month is September, with an average relative humidity of 88%.Rainfall
In Copainalá, in September, during 28 rainfall days, 202mm (7.95") of precipitation is typically accumulated. In Copainalá, Mexico, during the entire year, the rain falls for 233.9 days and collects up to 1153mm (45.39") of precipitation.Daylight
The average length of the day in September in Copainalá, Mexico, is 12h and 14min.On the first day of the month, sunrise is at 5:59 am and sunset at 6:25 pm. On the last day of September, in Copainalá, sunrise is at 6:02 am and sunset at 6:02 pm CST.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Copainalá, Mexico
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is April (32°C).
The month with the lowest average high temperature is January (24.9°C).
- Average low temperature in September: 17.3°C
The month with the highest average low temperature is May (20°C).
The coldest month (with the lowest average low temperature) is January (14.4°C).
Average pressure in September
Copainalá, Mexico
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed in September
Copainalá, Mexico
- Average wind speed in September: 4km/h
The windiest month (with the highest average wind speed) is January (6.2km/h).
The calmest month (with the lowest average wind speed) is June (3.8km/h).
Average humidity in September
Copainalá, Mexico
- Average humidity in September: 88%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (63%).
Average rainfall in September
Copainalá, Mexico
- Average rainfall in September: 202mm
The wettest month (with the highest rainfall) is August (226mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in September
Copainalá, Mexico
- Average rainfall days in September: 28 days
The month with the highest number of rainy days is August (28.5 days).
The month with the least rainy days is February (10.4 days).
Average daylight in September /
Average sunshine in September
Copainalá, 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: 7h and 48min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).
Average sunshine days in September
Copainalá, Mexico
- Average sunshine days in September: 1.8 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is August (1.3 days).
Average UV index in September
Copainalá, Mexico
- Average UV index in September: 6
The month with the highest UV index is April (UV index 7).
The months with the lowest UV index are January, August, October and December (UV index 5).
Average cloud cover in September
Copainalá, Mexico
- Average cloud cover in September: 56
The month with the most cloud cover is September (Cloud cover 56).
The month with the least cloud cover is April (Cloud cover 22).
Average visibility in September
Copainalá, Mexico
- Average visibility in September: 7km
The months with the highest visibility are March and April (10km).
The month with the lowest visibility is October (6km).
