September weather forecast
Tecomán, Mexico

September

Weather in September

September, the first month of the autumn in Tecomán, is still a hot month, with temperature in the range of an average low of 22.6°C (72.7°F) and an average high of 31°C (87.8°F).

Temperature

The arrival of September sees an average high-temperature of a still tropical 31°C (87.8°F), hardly diverging from August's 32.1°C (89.8°F). Tecomán's average low-temperature in the month of September is recorded at a pleasant 22.6°C (72.7°F).

Heat index

Throughout September, the heat index is computed to be a blistering 41°C (105.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

September is the most humid month, with an average relative humidity of 79%.

Rainfall

The month with the most rainfall is September, when the rain falls for 18.3 days and typically aggregates up to 101mm (3.98") of precipitation.

Daylight

In September, the average length of the day in Tecomán is 12h and 14min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:09 pm. On the last day of September, in Tecomán, sunrise is at 6:46 am and sunset at 6:44 pm CST.

Sunshine

With an average of 8.9h of sunshine, September has the least sunshine of the year.

UV index

April through October, 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 exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the UV index of 7 transforms into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

How hot does it get in Tecomán in September?
The high-temperature, in September, in Tecomán, is 31°C (87.8°F), while the low-temperature averages to 22.6°C (72.7°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is computed to be 41°C (105.8°F).
What is the most humid month in Tecomán?
September is the most humid month in Tecomán, Mexico, with an average relative humidity of 79%.
What is the average humidity in September in Tecomán?
In September, the average relative humidity in Tecomán, Mexico, is 79%.
What is the wettest month in Tecomán?
September is the month with the most rainfall. Rain falls for 18.3 days and accumulates 101mm (3.98") of precipitation.
How much does it rain in Tecomán in September?
In September, in Tecomán, Mexico, the rain falls for 18.3 days. Throughout September, 101mm (3.98") of precipitation is accumulated.
How many hours of daylight does Tecomán have in September?
In September, the average day length in Tecomán is 12h and 14min.
When are sunrise and sunset in September in Tecomán?
In September, on the first day of the month, sunrise is at 6:40 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:44 pm CST.
What is the month with the least sunshine in Tecomán?
September has the least sunshine of the year in Tecomán, Mexico, with an average of 8.9h of sunshine.
How many hours of sunshine does Tecomán have in September?
In Tecomán, the average sunshine duration in September is 8.9h.
When is the highest UV index in Tecomán?
The months with the highest UV index in Tecomán, Mexico, are April through October, with an average maximum UV index of 7.
What is the UV index intensity in September in Tecomán?
In Tecomán, Mexico, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Tecomán, Mexico
  • Average high temperature in September: 31°C

The warmest month (with the highest average high temperature) is July (32.2°C).
The month with the lowest average high temperature is February (29.8°C).

  • Average low temperature in September: 22.6°C

The months with the highest average low temperature are June and August (23.3°C).
The coldest month (with the lowest average low temperature) is February (19°C).

Average pressure in September
Tecomán, Mexico
  • Average pressure in September: 1011.4mbar

The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is June (1011.3mbar).

Average wind speed in September
Tecomán, Mexico
  • Average wind speed in September: 6.6km/h

The windiest months (with the highest average wind speed) are March and August (6.9km/h).
The calmest month (with the lowest average wind speed) is October (6.3km/h).

Average humidity in September
Tecomán, Mexico
  • Average humidity in September: 79%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is April (59%).

Average rainfall in September
Tecomán, Mexico
  • Average rainfall in September: 101mm

The wettest month (with the highest rainfall) is September (101mm).
The driest month (with the least rainfall) is April (0mm).

Average rainfall days in September
Tecomán, Mexico
  • Average rainfall days in September: 18.3 days

The month with the highest number of rainy days is September (18.3 days).
The month with the least rainy days is April (0.7 days).

Average daylight in September /
Average sunshine in September
Tecomán, Mexico
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in September: 8h and 5min

The months with the most sunshine are March, April and December (Average sunshine: 9h and 54min).
The month with the least sunshine is September (Average sunshine: 8h and 54min).

Average sunshine days in September
Tecomán, Mexico
  • Average sunshine days in September: 9.9 days

The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is September (9.9 days).

Average UV index in September
Tecomán, Mexico
  • Average UV index in September: 7

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).

Average cloud cover in September
Tecomán, Mexico
  • Average cloud cover in September: 33

The month with the most cloud cover is September (Cloud cover 33).
The months with the least cloud cover are March and April (Cloud cover 7).

Average visibility in September
Tecomán, Mexico
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, November and December (10km).
The months with the lowest visibility are August, September and October (9km).

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