September weather forecastSan Pedro, Mexico
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in San Pedro, Mexico, with an average temperature ranging between max 29.9°C (85.8°F) and min 19.9°C (67.8°F).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's hot 32.9°C (91.2°F) to a moderately hot 29.9°C (85.8°F). San Pedro, in September, witnesses an average low-temperature of 19.9°C (67.8°F).Heat index
Throughout September, the heat index is calculated to be a hot 31°C (87.8°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
With an average relative humidity of 51%, September is the most humid month in San Pedro.Rainfall
In San Pedro, during September, the rain falls for 12 days and regularly aggregates up to 38mm (1.5") of precipitation. In San Pedro, during the entire year, the rain falls for 64.3 days and collects up to 183mm (7.2") of precipitation.Snowfall
January through November are months without snowfall in San Pedro.Daylight
In San Pedro, the average length of the day in September is 12h and 17min.On the first day of September in San Pedro, sunrise is at 6:32 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:39 pm CST.
Sunshine
With an average of 9.4h of sunshine, September has the least sunshine of the year in San Pedro.UV index
In September, the average daily maximum UV index in San Pedro is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Pedro, Mexico
- Average high temperature in September: 29.9°C
The warmest month (with the highest average high temperature) is June (33.8°C).
The month with the lowest average high temperature is January (20.8°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is June (22.3°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).
Average pressure in September
San Pedro, Mexico
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1011.4mbar).
Average wind speed in September
San Pedro, Mexico
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is June (11.3km/h).
The calmest month (with the lowest average wind speed) is November (7km/h).
Average humidity in September
San Pedro, Mexico
- Average humidity in September: 51%
The month with the highest relative humidity is September (51%).
The month with the lowest relative humidity is April (24%).
Average rainfall in September
San Pedro, Mexico
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (44mm).
The driest month (with the least rainfall) is February (3mm).
Average rainfall days in September
San Pedro, Mexico
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is September (12 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in September
San Pedro, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is December (3mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
San Pedro, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
San Pedro, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is September (Average sunshine: 9h and 24min).
Average sunshine days in September
San Pedro, Mexico
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is September (15.1 days).
Average UV index in September
San Pedro, Mexico
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
San Pedro, Mexico
- Average cloud cover in September: 24
The month with the most cloud cover is September (Cloud cover 24).
The months with the least cloud cover are April and May (Cloud cover 11).
Average visibility in September
San Pedro, Mexico
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
