Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The introduction of September notes a subtle temperature variation to a still tropical 31.9°C (89.4°F) from August's 33.1°C (91.6°F). In the month of September, Santa María Chimalapa's average low-temperature falls to a pleasant 22.7°C (72.9°F).Heat index
The heat index value during September is calculated to be a blistering 42°C (107.6°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
With an average relative humidity of 75%, September is the most humid month in Santa María Chimalapa.Rainfall
September is the month with the most rainfall in Santa María Chimalapa. Rain falls for 18.6 days and accumulates 74mm (2.91") of precipitation.Daylight
In Santa María Chimalapa, the average length of the day in September is 12h and 13min.On the first day of September in Santa María Chimalapa, sunrise is at 6:05 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 6:08 pm CST.
Sunshine
The average sunshine in September is 8.8h.UV index
February through September, with an average maximum UV index of 7, are months with the highest UV index. 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: An average maximum UV index of 7 in September leads to these recommendations:
Shield from overexposure. Defense against sun-related harm is required. 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.
Frequently asked questions
Is it hot in Santa María Chimalapa during September?
What is the most humid month in Santa María Chimalapa?
What is the average humidity in September in Santa María Chimalapa?
What is the wettest month in Santa María Chimalapa?
How many days does it rain in September in Santa María Chimalapa?
How many hours of daylight does Santa María Chimalapa have in September?
When are sunrise and sunset in September in Santa María Chimalapa?
How long on average sun shines in September in Santa María Chimalapa?
What are the months with the highest UV index in Santa María Chimalapa?
How high is the UV index in September in Santa María Chimalapa?
Average temperature in September
Santa María Chimalapa, Mexico
- Average high temperature in September: 31.9°C
The warmest month (with the highest average high temperature) is May (35°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in September: 22.7°C
The month with the highest average low temperature is May (23.8°C).
The coldest month (with the lowest average low temperature) is January (18.4°C).
Average pressure in September
Santa María Chimalapa, Mexico
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is January (1015.8mbar).
The month with the lowest atmospheric pressure is May (1011.3mbar).
Average wind speed in September
Santa María Chimalapa, Mexico
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is January (17.4km/h).
The calmest month (with the lowest average wind speed) is June (8.9km/h).
Average humidity in September
Santa María Chimalapa, Mexico
- Average humidity in September: 75%
The month with the highest relative humidity is September (75%).
The months with the lowest relative humidity are April and May (62%).
Average rainfall in September
Santa María Chimalapa, Mexico
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is September (74mm).
The driest months (with the least rainfall) are February, March, November and December (2mm).
Average rainfall days in September
Santa María Chimalapa, Mexico
- Average rainfall days in September: 18.6 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2.1 days).
Average daylight in September /
Average sunshine in September
Santa María Chimalapa, Mexico
- Average daylight in September: 12h and 1min
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 5min
The month with the most sunshine is May (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).
Average sunshine days in September
Santa María Chimalapa, Mexico
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is December (26.5 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Santa María Chimalapa, Mexico
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Santa María Chimalapa, Mexico
- Average cloud cover in September: 37
The month with the most cloud cover is September (Cloud cover 37).
The months with the least cloud cover are March and December (Cloud cover 14).
Average visibility in September
Santa María Chimalapa, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
Santa María Chimalapa, Mexico
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