Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Fronteras notes an average high-temperature of a warm 29.6°C (85.3°F) in September, displaying minor variation from August. In the month of September, Fronteras witnesses a consistent average low-temperature of 18.6°C (65.5°F).Heat index
September's mean heat index is evaluated at a hot 30°C (86°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In Fronteras, the average relative humidity in September is 46%.Rainfall
In September, the rain falls for 10 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 80.2 rainfall days, and 236mm (9.29") of precipitation is accumulated.Snowfall
In Fronteras, snow does not fall in March through November.Daylight
The average length of the day in September in Fronteras is 12h and 20min.On the first day of the month, sunrise is at 5:55 am and sunset at 6:40 pm. On the last day of September, sunrise is at 6:11 am and sunset at 6:04 pm MST.
Sunshine
In September, the average sunshine in Fronteras is 10.4h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 suggests these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Fronteras in September?
What is the average humidity in September in Fronteras?
How many days does it rain in September in Fronteras?
When it does not snow in Fronteras?
What is the average length of the day in September in Fronteras?
When is the sunrise / sunset in September in Fronteras?
How many hours of sunshine does Fronteras have in September?
What is the UV index intensity in September in Fronteras?
Average temperature in September
Fronteras, Mexico
- Average high temperature in September: 29.6°C
The warmest month (with the highest average high temperature) is June (34°C).
The month with the lowest average high temperature is December (14.4°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is July (22.2°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in September
Fronteras, Mexico
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is January (1018.8mbar).
The month with the lowest atmospheric pressure is June (1011.1mbar).
Average wind speed in September
Fronteras, Mexico
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is May (15.3km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Fronteras, Mexico
- Average humidity in September: 46%
The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).
Average rainfall in September
Fronteras, Mexico
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (62mm).
The driest months (with the least rainfall) are April and May (2mm).
Average rainfall days in September
Fronteras, Mexico
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is May (1.8 days).
Average snowfall in September
Fronteras, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Fronteras, Mexico
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Fronteras, Mexico
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
Fronteras, Mexico
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is May (28.9 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
Fronteras, Mexico
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Fronteras, Mexico
- Average cloud cover in September: 15
The month with the most cloud cover is July (Cloud cover 21).
The month with the least cloud cover is May (Cloud cover 6).
Average visibility in September
Fronteras, 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).
Fronteras, Mexico
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