September weather forecast
San Juan Cacahuatepec, Mexico

September

Weather in September

The first month of the autumn, September, is still a pleasant month in San Juan Cacahuatepec, Mexico, with an average temperature fluctuating between 13.2°C (55.8°F) and 22.3°C (72.1°F).

Temperature

San Juan Cacahuatepec observes a minor difference in average high-temperatures between August's 23.7°C (74.7°F) and September's 22.3°C (72.1°F). San Juan Cacahuatepec records a steady low-temperature average of 13.2°C (55.8°F) during September.

Humidity

The most humid month is September, with an average relative humidity of 81%.

Rainfall

In San Juan Cacahuatepec, in September, it is raining for 26.6 days, with typically 145mm (5.71") of accumulated precipitation. In San Juan Cacahuatepec, during the entire year, the rain falls for 185.5 days and collects up to 866mm (34.09") of precipitation.

Daylight

In San Juan Cacahuatepec, the average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 6:19 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 6:22 pm CST.

Sunshine

In September, the average sunshine in San Juan Cacahuatepec, Mexico, is 8.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What is the temperature in September in San Juan Cacahuatepec?
The average high-temperature and low-temperature during September are 22.3°C (72.1°F) and 13.2°C (55.8°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in April is appraised at 28°C (82.4°F).
What is the most humid month in San Juan Cacahuatepec?
The most humid month in San Juan Cacahuatepec is September, with an average relative humidity of 81%.
What is the average humidity in September in San Juan Cacahuatepec?
In San Juan Cacahuatepec, the average relative humidity in September is 81%.
How much does it rain in San Juan Cacahuatepec in September?
In September, in San Juan Cacahuatepec, Mexico, the rain falls for 26.6 days. Throughout September, 145mm (5.71") of precipitation is accumulated.
What is the average length of the day in September in San Juan Cacahuatepec?
In September, the average day length is 12h and 13min.
What time are sunrise and sunset in September in San Juan Cacahuatepec?
In September, on the first day of the month, sunrise is at 6:19 am and sunset at 6:45 pm. On the last day of the month, in San Juan Cacahuatepec, Mexico, sunrise is at 6:22 am and sunset at 6:22 pm CST.
How long on average sun shines in September in San Juan Cacahuatepec?
In San Juan Cacahuatepec, the average sunshine duration in September is 8.9h.
How high is the UV index in September in San Juan Cacahuatepec?
The average daily maximum UV index in September in San Juan Cacahuatepec, Mexico, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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 - San Juan Cacahuatepec, Mexico
Average temperature in September
San Juan Cacahuatepec, Mexico
  • Average high temperature in September: 22.3°C

The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is January (21.1°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is May (14.5°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).

Average pressure in September - San Juan Cacahuatepec, Mexico
Average pressure in September
San Juan Cacahuatepec, Mexico
  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).

Average wind speed in September - San Juan Cacahuatepec, Mexico
Average wind speed in September
San Juan Cacahuatepec, Mexico
  • Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest months (with the lowest average wind speed) are June and September (6.7km/h).

Average humidity in September - San Juan Cacahuatepec, Mexico
Average humidity in September
San Juan Cacahuatepec, Mexico
  • Average humidity in September: 81%

The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (56%).

Average rainfall in September - San Juan Cacahuatepec, Mexico
Average rainfall in September
San Juan Cacahuatepec, Mexico
  • Average rainfall in September: 145mm

The wettest month (with the highest rainfall) is June (164mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in September - San Juan Cacahuatepec, Mexico
Average rainfall days in September
San Juan Cacahuatepec, Mexico
  • Average rainfall days in September: 26.6 days

The month with the highest number of rainy days is September (26.6 days).
The month with the least rainy days is December (4.5 days).

Average daylight in September / Average sunshine in September - San Juan Cacahuatepec, Mexico
Average daylight in September /
Average sunshine in September
San Juan Cacahuatepec, 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 12min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).

Average sunshine days in September - San Juan Cacahuatepec, Mexico
Average sunshine days in September
San Juan Cacahuatepec, Mexico
  • Average sunshine days in September: 2 days

The month with the most sunshine days is December (22.2 days).
The months with the least sunshine days are August and September (2 days).

Average UV index in September - San Juan Cacahuatepec, Mexico
Average UV index in September
San Juan Cacahuatepec, Mexico
  • Average UV index in September: 5

The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, June, October, November and December (UV index 4).

Average cloud cover in September - San Juan Cacahuatepec, Mexico
Average cloud cover in September
San Juan Cacahuatepec, Mexico
  • Average cloud cover in September: 42

The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are February, March and April (Cloud cover 15).

Average visibility in September - San Juan Cacahuatepec, Mexico
Average visibility in September
San Juan Cacahuatepec, Mexico
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is September (8km).

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