September weather forecast
Chilapa de Álvarez, Mexico

September

Weather in September

September, the first month of the autumn in Chilapa de Álvarez, is also a moderately hot month, with temperature in the range of an average high of 24.3°C (75.7°F) and an average low of 15.1°C (59.2°F).

Temperature

September, noted for its average high-temperature of 24.3°C (75.7°F) and an average low-temperature of 15.1°C (59.2°F), is considered the coldest month.

Humidity

The most humid month is September, with an average relative humidity of 89%.

Rainfall

The month with the most rainfall in Chilapa de Álvarez is September, when the rain falls for 29.4 days and typically aggregates up to 309mm (12.17") of precipitation.

Daylight

In Chilapa de Álvarez, the average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 6:22 am and sunset at 6:50 pm. On the last day of September, in Chilapa de Álvarez, sunrise is at 6:26 am and sunset at 6:25 pm CST.

Sunshine

September has the least sunshine of the year in Chilapa de Álvarez, Mexico, with an average of 7.4h of sunshine.

UV index

The months with the lowest UV index are January, February, June through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What month is the coldest in Chilapa de Álvarez?
Chilapa de Álvarez witnesses the coldest weather in September, with temperatures averaging a high of 24.3°C (75.7°F) and a low of 15.1°C (59.2°F).
What are September temperatures in Chilapa de Álvarez?
The average high-temperature, in September, in Chilapa de Álvarez, is 24.3°C (75.7°F), while the average low-temperature is 15.1°C (59.2°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in May is evaluated at 32°C (89.6°F).
What is the most humid month in Chilapa de Álvarez?
September is the most humid month, with an average relative humidity of 89%.
What is the average humidity in September in Chilapa de Álvarez?
In September, the average relative humidity is 89%.
What is the wettest month in Chilapa de Álvarez?
The month with the most rainfall is September, when the rain falls for 29.4 days and typically aggregates up to 309mm (12.17") of precipitation.
How much does it rain in Chilapa de Álvarez in September?
In Chilapa de Álvarez, in September, during 29.4 rainfall days, 309mm (12.17") of precipitation is typically accumulated.
What is the average length of the day in September in Chilapa de Álvarez?
In September, the average day length is 12h and 14min.
When is the sunrise / sunset in September in Chilapa de Álvarez?
In September, on the first day of the month, sunrise is at 6:22 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:25 pm CST.
What is the month with the least sunshine in Chilapa de Álvarez?
The month with the least sunshine in Chilapa de Álvarez, Mexico, is September, with an average of 7.4h of sunshine.
How many hours of sunshine does Chilapa de Álvarez have in September?
In Chilapa de Álvarez, the average sunshine duration in September is 7.4h.
When is the lowest UV index in Chilapa de Álvarez?
The months with the lowest UV index are January, February, June through December, with an average maximum UV index of 5.
How high is the UV index in September in Chilapa de Álvarez?
In Chilapa de Álvarez, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Chilapa de Álvarez, Mexico
  • Average high temperature in September: 24.3°C

The warmest month (with the highest average high temperature) is April (30.7°C).
The month with the lowest average high temperature is September (24.3°C).

  • Average low temperature in September: 15.1°C

The months with the highest average low temperature are May and June (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.2°C).

Average pressure in September
Chilapa de Álvarez, Mexico
  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is January (1014.9mbar).
The month with the lowest atmospheric pressure is May (1012mbar).

Average wind speed in September
Chilapa de Álvarez, Mexico
  • Average wind speed in September: 4.6km/h

The windiest month (with the highest average wind speed) is April (5.7km/h).
The calmest month (with the lowest average wind speed) is December (4.4km/h).

Average humidity in September
Chilapa de Álvarez, Mexico
  • Average humidity in September: 89%

The month with the highest relative humidity is September (89%).
The month with the lowest relative humidity is April (54%).

Average rainfall in September
Chilapa de Álvarez, Mexico
  • Average rainfall in September: 309mm

The wettest month (with the highest rainfall) is September (309mm).
The driest month (with the least rainfall) is January (18mm).

Average rainfall days in September
Chilapa de Álvarez, Mexico
  • Average rainfall days in September: 29.4 days

The month with the highest number of rainy days is August (30.6 days).
The month with the least rainy days is December (6.5 days).

Average daylight in September /
Average sunshine in September
Chilapa de Álvarez, Mexico
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in September: 7h and 2min

The months with the most sunshine are February, March, April and December (Average sunshine: 9h and 48min).
The month with the least sunshine is September (Average sunshine: 7h and 24min).

Average sunshine days in September
Chilapa de Álvarez, Mexico
  • Average sunshine days in September: 0.3 days

The month with the most sunshine days is December (23.2 days).
The month with the least sunshine days is August (0.1 days).

Average UV index in September
Chilapa de Álvarez, Mexico
  • Average UV index in September: 5

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

Average cloud cover in September
Chilapa de Álvarez, Mexico
  • Average cloud cover in September: 66

The month with the most cloud cover is September (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 13).

Average visibility in September
Chilapa de Álvarez, Mexico
  • Average visibility in September: 6km

The months with the highest visibility are March and April (10km).
The month with the lowest visibility is September (6km).

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