September weather forecastTopo Chico, Mexico
September
Weather in September
September, the first month of the autumn in Topo Chico, is still a warm month, with temperature in the range of an average low of 19.1°C (66.4°F) and an average high of 27.6°C (81.7°F).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a hot 31.7°C (89.1°F) in August to a moderately hot 27.6°C (81.7°F). September nights are marked by an average low-temperature of 19.1°C (66.4°F).Heat index
In September, the average heat index is evaluated at a hot 30°C (86°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
With an average relative humidity of 69%, September is the most humid month.Rainfall
In Topo Chico, during September, the rain falls for 22.8 days and regularly aggregates up to 101mm (3.98") of precipitation. In Topo Chico, during the entire year, the rain falls for 158.3 days and collects up to 602mm (23.7") of precipitation.Snowfall
January through November are months without snowfall.Daylight
In Topo Chico, the average length of the day in September is 12h and 17min.On the first day of September in Topo Chico, sunrise is at 6:21 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:28 pm CST.
Sunshine
In Topo Chico, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Topo Chico, Mexico
- Average high temperature in September: 27.6°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (18.5°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).
Average pressure in September
Topo Chico, Mexico
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed in September
Topo Chico, Mexico
- Average wind speed in September: 9km/h
The windiest months (with the highest average wind speed) are June and July (11.9km/h).
The calmest month (with the lowest average wind speed) is December (7.4km/h).
Average humidity in September
Topo Chico, Mexico
- Average humidity in September: 69%
The month with the highest relative humidity is September (69%).
The month with the lowest relative humidity is April (50%).
Average rainfall in September
Topo Chico, Mexico
- Average rainfall in September: 101mm
The wettest month (with the highest rainfall) is May (105mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in September
Topo Chico, Mexico
- Average rainfall days in September: 22.8 days
The month with the highest number of rainy days is September (22.8 days).
The month with the least rainy days is December (6 days).
Average snowfall in September
Topo Chico, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is December (6mm).
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
Topo Chico, Mexico
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.2 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
Topo Chico, 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: 8h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in September
Topo Chico, Mexico
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is September (5.5 days).
Average UV index in September
Topo Chico, Mexico
- Average UV index in September: 6
The months with the highest UV index are May and July (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Topo Chico, Mexico
- Average cloud cover in September: 33
The month with the most cloud cover is September (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Topo Chico, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (10km).
The month with the lowest visibility is September (9km).
