September weather forecastLa Manzanilla, Mexico
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in La Manzanilla, Mexico, with temperature in the range of an average high of 28.2°C (82.8°F) and an average low of 18.3°C (64.9°F).Temperature
The transition into September is marked with an average high-temperature of a still warm 28.2°C (82.8°F), showing an insignificant shift from August's 28.9°C (84°F). La Manzanilla's average low-temperature is measured at an enjoyable 18.3°C (64.9°F) during September.Heat index
The heat index for September is evaluated at a tropical 33°C (91.4°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Always consider that heat index estimations are for light winds and places in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. 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 of high significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
With an average relative humidity of 85%, September is the most humid month.Rainfall
In September, the rain falls for 28.8 days. Throughout September, 230mm (9.06") of precipitation is accumulated. In La Manzanilla, during the entire year, the rain falls for 182.5 days and collects up to 1082mm (42.6") of precipitation.Daylight
In September, the average length of the day is 12h and 15min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:07 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:41 pm CST.
Sunshine
The month with the least sunshine in La Manzanilla is September, with an average of 8.3h of sunshine.UV index
The months with the highest UV index are February through July, September through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during September translates into the following guidance:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Manzanilla, Mexico
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is May (32°C).
The month with the lowest average high temperature is December (27.7°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is June (19.9°C).
The coldest month (with the lowest average low temperature) is January (14.3°C).
Average pressure in September
La Manzanilla, Mexico
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is January (1014.7mbar).
The months with the lowest atmospheric pressure are May and June (1011.6mbar).
Average wind speed in September
La Manzanilla, Mexico
- Average wind speed in September: 5km/h
The windiest month (with the highest average wind speed) is April (6.6km/h).
The calmest months (with the lowest average wind speed) are July and September (5km/h).
Average humidity in September
La Manzanilla, Mexico
- Average humidity in September: 85%
The month with the highest relative humidity is September (85%).
The month with the lowest relative humidity is April (50%).
Average rainfall in September
La Manzanilla, Mexico
- Average rainfall in September: 230mm
The wettest month (with the highest rainfall) is August (234mm).
The driest month (with the least rainfall) is April (4mm).
Average rainfall days in September
La Manzanilla, Mexico
- Average rainfall days in September: 28.8 days
The month with the highest number of rainy days is August (30.6 days).
The month with the least rainy days is April (2.8 days).
Average daylight in September /
Average sunshine in September
La Manzanilla, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are March, April and May (Average sunshine: 9h and 54min).
The month with the least sunshine is September (Average sunshine: 8h and 18min).
Average sunshine days in September
La Manzanilla, Mexico
- Average sunshine days in September: 0.8 days
The month with the most sunshine days is April (26.3 days).
The month with the least sunshine days is August (0.4 days).
Average UV index in September
La Manzanilla, Mexico
- Average UV index in September: 6
The months with the highest UV index are February, March, April, May, June, July, September, October, November and December (UV index 6).
The months with the lowest UV index are January and August (UV index 5).
Average cloud cover in September
La Manzanilla, Mexico
- Average cloud cover in September: 48
The month with the most cloud cover is September (Cloud cover 48).
The month with the least cloud cover is April (Cloud cover 8).
Average visibility in September
La Manzanilla, Mexico
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April and May (10km).
The month with the lowest visibility is September (7km).





