September weather forecastRio Rico, Mexico
September
Weather in September
September, the first month of the autumn in Rio Rico, is still a hot month, with an average temperature ranging between min 25.2°C (77.4°F) and max 33.6°C (92.5°F).Temperature
In Rio Rico, entering September brings a subtle temperature decrement, reducing from August's fiery hot 36.6°C (97.9°F) to a hot 33.6°C (92.5°F). Rio Rico experiences a mean low-temperature of 25.2°C (77.4°F) during September.Heat index
The average heat index in September is computed to be a blisteringly hot 44°C (111.2°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.Understanding the heat index involves considering values for shaded locales with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In Rio Rico, the average relative humidity in September is 66%.Rainfall
The months with the most rainfall are July and September, with an average 51mm (2.01") of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Rio Rico, the average length of the day in September is 12h and 18min.On the first day of the month, sunrise is at 7:11 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:18 pm CDT.
Sunshine
In Rio Rico, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 7 during September translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rio Rico, Mexico
- Average high temperature in September: 33.6°C
The warmest month (with the highest average high temperature) is August (36.6°C).
The month with the lowest average high temperature is January (20.9°C).
- Average low temperature in September: 25.2°C
The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (12.3°C).
Average pressure in September
Rio Rico, Mexico
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is January (1019.9mbar).
The month with the lowest atmospheric pressure is June (1011.5mbar).
Average wind speed in September
Rio Rico, Mexico
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is May (18.9km/h).
The calmest month (with the lowest average wind speed) is September (13.7km/h).
Average humidity in September
Rio Rico, Mexico
- Average humidity in September: 66%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Rio Rico, Mexico
- Average rainfall in September: 51mm
The wettest months (with the highest rainfall) are July and September (51mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Rio Rico, Mexico
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is July (6.4 days).
Average snowfall in September
Rio Rico, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Rio Rico, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Rio Rico, 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 30min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Rio Rico, Mexico
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is September (13.8 days).
Average UV index in September
Rio Rico, Mexico
- Average UV index in September: 7
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Rio Rico, Mexico
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Rio Rico, 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).





