September weather forecast
San Mateo Peñasco, Mexico

September

Weather in September

September, the first month of the autumn in San Mateo Peñasco, is still a pleasant month, with temperature in the range of an average low of 13.2°C (55.8°F) and an average high of 22.3°C (72.1°F).

Temperature

The introduction of September sees an average high-temperature of a pleasant 22.3°C (72.1°F), hardly deviating from August. San Mateo Peñasco experiences a consistent average temperature of 13.2°C (55.8°F) throughout the nights in September.

Humidity

With an average relative humidity of 81%, September is the most humid month.

Rainfall

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

Daylight

In San Mateo Peñasco, Mexico, the average length of the day in September is 12h and 14min.
On the first day of September in San Mateo Peñasco, sunrise is at 6:16 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 6:19 pm CST.

Sunshine

The average sunshine in September is 8.9h.

UV index

In San Mateo Peñasco, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 5 in September leads to these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What are September temperatures in San Mateo Peñasco?
September temperatures in San Mateo Peñasco, Mexico, vary between a high-temperature of 22.3°C (72.1°F) and a low-temperature of 13.2°C (55.8°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in April is appraised at 28°C (82.4°F).
What is the most humid month in San Mateo Peñasco?
With an average relative humidity of 81%, September is the most humid month in San Mateo Peñasco.
What is the average humidity in September in San Mateo Peñasco?
In September, the average relative humidity in San Mateo Peñasco, Mexico, is 81%.
How many days does it rain in September in San Mateo Peñasco?
In San Mateo Peñasco, Mexico, during September, the rain falls for 26.6 days and regularly aggregates up to 145mm (5.71") of precipitation.
What is the average length of the day in September in San Mateo Peñasco?
In September, the average day length is 12h and 14min.
What time are sunrise and sunset in September in San Mateo Peñasco?
In September, on the first day of the month, sunrise is at 6:16 am and sunset at 6:43 pm. On the last day of the month, in San Mateo Peñasco, sunrise is at 6:20 am and sunset at 6:19 pm CST.
How many hours of sunshine does San Mateo Peñasco have in September?
In September, the average sunshine duration is 8.9h.
How high is the UV index in September in San Mateo Peñasco?
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents 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 - San Mateo Peñasco, Mexico
Average temperature in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average pressure in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average wind speed in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average humidity in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average rainfall in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average rainfall days in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average daylight in September /
Average sunshine in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average sunshine days in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average UV index in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average cloud cover in September
San Mateo Peñasco, 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 Mateo Peñasco, Mexico
Average visibility in September
San Mateo Peñasco, 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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