September weather forecast
San José de la Montaña, Mexico

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in San José de la Montaña, Mexico, with an average temperature varying between 24.8°C (76.6°F) and 12.5°C (54.5°F).

Temperature

Shifting into September, San José de la Montaña records an average high-temperature of a still warm 24.8°C (76.6°F), presenting minor fluctuations compared to the previous month. Against the high September temperatures, San José de la Montaña records an average drop to a cool 12.5°C (54.5°F) at night.

Humidity

The most humid month is September, with an average relative humidity of 78%.

Rainfall

In San José de la Montaña, in September, it is raining for 19 days, with typically 68mm (2.68") of accumulated precipitation. In San José de la Montaña, during the entire year, the rain falls for 126.9 days and collects up to 460mm (18.11") of precipitation.

Daylight

In September, the average length of the day is 12h and 15min.
On the first day of September, sunrise is at 6:28 am and sunset at 6:59 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:32 pm CST.

Sunshine

In September, the average sunshine is 9.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What are the temperatures in September?
The average high-temperature, in September, in San José de la Montaña, is 24.8°C (76.6°F), while the average low-temperature is 12.5°C (54.5°F). In June, 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 appraised at 30°C (86°F).
What is the most humid month?
September is the most humid month, with an average relative humidity of 78%.
What is the average humidity in September?
The average relative humidity in September is 78%.
How much does it rain in September?
In San José de la Montaña, during September, the rain falls for 19 days and regularly aggregates up to 68mm (2.68") of precipitation.
What is the average length of the day in September?
In San José de la Montaña, the average day length in September is 12h and 15min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 6:28 am and sunset at 6:59 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:32 pm CST.
How long on average sun shines in September?
In September, the average sunshine duration is 9.4h.
How high is the UV index in September?
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
San José de la Montaña, Mexico
  • Average high temperature in September: 24.8°C

The warmest month (with the highest average high temperature) is May (31°C).
The month with the lowest average high temperature is January (22.3°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is May (15.9°C).
The coldest month (with the lowest average low temperature) is January (7.7°C).

Average pressure in September
San José de la Montaña, Mexico
  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is January (1018mbar).
The month with the lowest atmospheric pressure is May (1013.4mbar).

Average wind speed in September
San José de la Montaña, Mexico
  • Average wind speed in September: 7.3km/h

The windiest month (with the highest average wind speed) is April (8.6km/h).
The calmest month (with the lowest average wind speed) is July (6.7km/h).

Average humidity in September
San José de la Montaña, Mexico
  • Average humidity in September: 78%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is April (36%).

Average rainfall in September
San José de la Montaña, Mexico
  • Average rainfall in September: 68mm

The wettest month (with the highest rainfall) is July (105mm).
The driest months (with the least rainfall) are January and December (5mm).

Average rainfall days in September
San José de la Montaña, Mexico
  • Average rainfall days in September: 19 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is December (2.5 days).

Average daylight in September /
Average sunshine in September
San José de la Montaña, 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 54min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 9h and 12min).

Average sunshine days in September
San José de la Montaña, Mexico
  • Average sunshine days in September: 8 days

The month with the most sunshine days is December (27.7 days).
The month with the least sunshine days is July (5.6 days).

Average UV index in September
San José de la Montaña, Mexico
  • Average UV index in September: 5

The months with the highest UV index are March, April and May (UV index 6).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in September
San José de la Montaña, Mexico
  • Average cloud cover in September: 36

The month with the most cloud cover is September (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 10).

Average visibility in September
San José de la Montaña, Mexico
  • Average visibility in September: 8km

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

englishespañol中文
Share