September weather forecast
Huehuetlán, Mexico

September

Weather in September

September, the first month of the autumn in Huehuetlán, is still a warm month, with an average temperature ranging between min 18.5°C (65.3°F) and max 28.4°C (83.1°F).

Temperature

With the onset of September, Huehuetlán's average high-temperature clocks in at a moderately hot 28.4°C (83.1°F), showing a minor fluctuation from the previous month. Throughout the September nights, Huehuetlán encounters a low-temperature of 18.5°C (65.3°F).

Heat index

September's average heat index is calculated to be a tropical 34°C (93.2°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

September is the most humid month, with an average relative humidity of 83%.

Rainfall

September is the month with the most rainfall. Rain falls for 22.5 days and accumulates 98mm (3.86") of precipitation.

Daylight

In September, the average length of the day is 12h and 16min.
On the first day of September, sunrise is at 6:19 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:24 pm CST.

Sunshine

The average sunshine in September is 8h.

UV index

The months with the highest UV index in Huehuetlán are March through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

How hot does it get in Huehuetlán in September?
The high-temperature, in September, in Huehuetlán, records 28.4°C (83.1°F), while the low-temperature is 18.5°C (65.3°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is calculated to be 34°C (93.2°F).
What is the most humid month in Huehuetlán?
The most humid month in Huehuetlán is September, with an average relative humidity of 83%.
What is the average humidity in September in Huehuetlán?
In Huehuetlán, the average relative humidity in September is 83%.
What is the rainiest month in Huehuetlán?
September is the month with the most rainfall in Huehuetlán. Rain falls for 22.5 days and accumulates 98mm (3.86") of precipitation.
How much does it rain in Huehuetlán in September?
In Huehuetlán, Mexico, in September, during 22.5 rainfall days, 98mm (3.86") of precipitation is typically accumulated.
What is the average length of the day in September in Huehuetlán?
In September, the average day length is 12h and 16min.
When is the sunrise / sunset in September in Huehuetlán?
On the first day of September in Huehuetlán, sunrise is at 6:19 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:24 pm CST.
How long on average sun shines in September in Huehuetlán?
The average sunshine duration in September is 8h.
What are the months with the highest UV index in Huehuetlán?
March through September, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index intensity in September in Huehuetlán?
The average daily maximum UV index in September in Huehuetlán is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Huehuetlán, Mexico
  • Average high temperature in September: 28.4°C

The warmest month (with the highest average high temperature) is May (32°C).
The month with the lowest average high temperature is January (21.8°C).

  • Average low temperature in September: 18.5°C

The month with the highest average low temperature is June (19.3°C).
The coldest month (with the lowest average low temperature) is January (10.9°C).

Average pressure in September
Huehuetlán, Mexico
  • Average pressure in September: 1014.4mbar

The month with the highest atmospheric pressure is January (1019.3mbar).
The month with the lowest atmospheric pressure is May (1013mbar).

Average wind speed in September
Huehuetlán, Mexico
  • Average wind speed in September: 5.2km/h

The windiest month (with the highest average wind speed) is April (6.6km/h).
The calmest month (with the lowest average wind speed) is November (4.8km/h).

Average humidity in September
Huehuetlán, Mexico
  • Average humidity in September: 83%

The month with the highest relative humidity is September (83%).
The month with the lowest relative humidity is April (67%).

Average rainfall in September
Huehuetlán, Mexico
  • Average rainfall in September: 98mm

The wettest month (with the highest rainfall) is September (98mm).
The driest month (with the least rainfall) is December (20mm).

Average rainfall days in September
Huehuetlán, Mexico
  • Average rainfall days in September: 22.5 days

The month with the highest number of rainy days is September (22.5 days).
The month with the least rainy days is February (10.6 days).

Average daylight in September /
Average sunshine in September
Huehuetlán, Mexico
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).

Average sunshine days in September
Huehuetlán, Mexico
  • Average sunshine days in September: 6.5 days

The month with the most sunshine days is January (17 days).
The month with the least sunshine days is September (6.5 days).

Average UV index in September
Huehuetlán, Mexico
  • Average UV index in September: 6

The months with the highest UV index are March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 5).

Average cloud cover in September
Huehuetlán, Mexico
  • Average cloud cover in September: 47

The month with the most cloud cover is September (Cloud cover 47).
The month with the least cloud cover is April (Cloud cover 30).

Average visibility in September
Huehuetlán, Mexico
  • Average visibility in September: 7km

The month with the highest visibility is April (9km).
The months with the lowest visibility are July and September (7km).

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