September weather forecast
San Andrés Cabecera Nueva, Mexico

September

Weather in September

September, the first month of the autumn in San Andrés Cabecera Nueva, is still a pleasant month, with an average temperature varying between 13.2°C (55.8°F) and 22.3°C (72.1°F).

Temperature

The unfolding of September shows an average high-temperature of an agreeable 22.3°C (72.1°F), indicating a slight variance from August's 23.7°C (74.7°F). An average nighttime temperature of 13.2°C (55.8°F) is recorded in San Andrés Cabecera Nueva during September.

Humidity

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

Rainfall

In September, in San Andrés Cabecera Nueva, the rain falls for 26.6 days. Throughout September, 145mm (5.71") of precipitation is accumulated. Throughout the year, there are 185.5 rainfall days, and 866mm (34.09") of precipitation is accumulated.

Daylight

In San Andrés Cabecera Nueva, the average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 6:17 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 6:20 pm CST.

Sunshine

The average sunshine in September in San Andrés Cabecera Nueva is 8.9h.

UV index

In San Andrés Cabecera Nueva, Mexico, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What are the temperatures in San Andrés Cabecera Nueva in September?
In San Andrés Cabecera Nueva, 22.3°C (72.1°F) is the average high-temperature and 13.2°C (55.8°F) is the average low-temperature during September. In April, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 28°C (82.4°F).
What is the most humid month in San Andrés Cabecera Nueva?
The most humid month in San Andrés Cabecera Nueva, Mexico, is September, with an average relative humidity of 81%.
What is the average humidity in September in San Andrés Cabecera Nueva?
The average relative humidity in September is 81%.
How many days does it rain in September in San Andrés Cabecera Nueva?
In San Andrés Cabecera Nueva, in September, it is raining for 26.6 days, with typically 145mm (5.71") of accumulated precipitation.
How many hours of daylight does San Andrés Cabecera Nueva have in September?
In San Andrés Cabecera Nueva, Mexico, the average day length in September is 12h and 13min.
When is the sunrise / sunset in September in San Andrés Cabecera Nueva?
In September, on the first day of the month, sunrise is at 6:17 am and sunset at 6:43 pm. On the last day of the month, in San Andrés Cabecera Nueva, Mexico, sunrise is at 6:20 am and sunset at 6:20 pm CST.
How long on average sun shines in September in San Andrés Cabecera Nueva?
In September, the average sunshine duration in San Andrés Cabecera Nueva, Mexico, is 8.9h.
What is the UV index reading in September in San Andrés Cabecera Nueva?
In San Andrés Cabecera Nueva, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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 - San Andrés Cabecera Nueva, Mexico
Average temperature in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average pressure in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average wind speed in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average humidity in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average rainfall in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average rainfall days in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average daylight in September /
Average sunshine in September
San Andrés Cabecera Nueva, 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 6min).

  • 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 Andrés Cabecera Nueva, Mexico
Average sunshine days in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average UV index in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average cloud cover in September
San Andrés Cabecera Nueva, 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 Andrés Cabecera Nueva, Mexico
Average visibility in September
San Andrés Cabecera Nueva, 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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