September weather forecastTapalapa, Mexico
September
Weather in September
September, the first month of the autumn in Tapalapa, is still a warm month, with an average temperature fluctuating between 27.1°C (80.8°F) and 17.4°C (63.3°F).Temperature
September's climate shows a minor adjustment in average high-temperatures to a still warm 27.1°C (80.8°F) from August's 28.7°C (83.7°F). In the month of September, the average temperature dips to an enjoyable 17.4°C (63.3°F) during the night.Heat index
The heat index value for September is appraised at a tropical 31°C (87.8°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
With an average relative humidity of 88%, September is the most humid month.Rainfall
In Tapalapa, in September, it is raining for 27.8 days, with typically 180mm (7.09") of accumulated precipitation. In Tapalapa, during the entire year, the rain falls for 233.7 days and collects up to 1131mm (44.53") of precipitation.Daylight
In Tapalapa, the average length of the day in September is 12h and 14min.On the first day of September in Tapalapa, sunrise is at 5:58 am and sunset at 6:25 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:01 pm CST.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 6 in September suggests the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. 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
Tapalapa, Mexico
- Average high temperature in September: 27.1°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: 17.4°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
Tapalapa, 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
Tapalapa, Mexico
- Average wind speed in September: 3.9km/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
Tapalapa, 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
Tapalapa, Mexico
- Average rainfall in September: 180mm
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
Tapalapa, Mexico
- Average rainfall days in September: 27.8 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
Tapalapa, 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 6min
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
Tapalapa, Mexico
- Average sunshine days in September: 1.9 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
Tapalapa, 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
Tapalapa, Mexico
- Average cloud cover in September: 55
The months with the most cloud cover are September and October (Cloud cover 55).
The month with the least cloud cover is April (Cloud cover 22).
Average visibility in September
Tapalapa, 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).





