September weather forecastCiudad Acuña, Mexico

September

Weather in September

The first month of the autumn, September, is also a hot month in Ciudad Acuña, Mexico, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 32.5°C (90.5°F).

Temperature

In September, the average high-temperature marginally decreases from a fiery hot 36.6°C (97.9°F) in August to a tropical 32.5°C (90.5°F). During September, the nighttime temperature averages to a warm 23°C (73.4°F).

Heat index

For most parts of September, the heat index is evaluated at a sweltering 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In September, the average relative humidity in Ciudad Acuña is 56%.

Rainfall

In Ciudad Acuña, during September, the rain falls for 13.5 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, in Ciudad Acuña, there are 109.5 rainfall days, and 381mm (15") of precipitation is accumulated.

Snowfall

March through November are months without snowfall in Ciudad Acuña.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:05 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:30 pm CST.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In Ciudad Acuña, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in September transforms into this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

An average high-temperature, in September, in Ciudad Acuña, is 32.5°C (90.5°F) and the average low-temperature is 23°C (73.4°F). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 37°C (98.6°F).

In September, the average relative humidity in Ciudad Acuña is 56%.

In Ciudad Acuña, during September, the rain falls for 13.5 days and regularly aggregates up to 46mm (1.81") of precipitation.

In Ciudad Acuña, Mexico, snow does not fall in March through November.

In September, the average day length in Ciudad Acuña is 12h and 20min.

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:05 pm. On the last day of the month, in Ciudad Acuña, Mexico, sunrise is at 6:36 am and sunset at 6:30 pm CST.

In Ciudad Acuña, Mexico, the average sunshine duration in September is 8.8h.

In Ciudad Acuña, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes 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 snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ciudad Acuña, Mexico

  • Average high temperature in September: 32.5°C

The warmest month (with the highest average high temperature) is August (36.6°C).
The month with the lowest average high temperature is January (17.5°C).

  • Average low temperature in September: 23°C

The month with the highest average low temperature is August (26°C).
The coldest month (with the lowest average low temperature) is January (7.5°C).

Average pressure in September
Ciudad Acuña, Mexico

  • Average pressure in September: 1014.5mbar

The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is May (1011.8mbar).

Average wind speed in September
Ciudad Acuña, Mexico

  • Average wind speed in September: 15.3km/h

The windiest month (with the highest average wind speed) is June (20.3km/h).
The calmest month (with the lowest average wind speed) is December (13.5km/h).

Average humidity in September
Ciudad Acuña, Mexico

  • Average humidity in September: 56%

The month with the highest relative humidity is November (60%).
The month with the lowest relative humidity is August (47%).

Average rainfall in September
Ciudad Acuña, Mexico

  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is May (73mm).
The driest months (with the least rainfall) are January and December (13mm).

Average rainfall days in September
Ciudad Acuña, Mexico

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in September
Ciudad Acuña, Mexico

  • Average snowfall in September: 0mm

The months with the highest snowfall are January, February and December (1mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Ciudad Acuña, Mexico

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Ciudad Acuña, Mexico

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).

Average sunshine days in September
Ciudad Acuña, Mexico

  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (12.5 days).

Average UV index in September
Ciudad Acuña, Mexico

  • Average UV index in September: 6

The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in September
Ciudad Acuña, Mexico

  • Average cloud cover in September: 29

The months with the most cloud cover are March and May (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in September
Ciudad Acuña, Mexico

  • Average visibility in September: 10km

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