September weather forecastHalachó, Mexico
September
Weather in September
The first month of the autumn, September, is still a hot month in Halachó, Mexico, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 25.3°C (77.5°F).Temperature
Halachó's shift into September is marked by a subtle change to a still hot 30.7°C (87.3°F) from August's 31.4°C (88.5°F) in temperature. In Halachó, September nights cool down to an average of 25.3°C (77.5°F).Heat index
The heat index for September is estimated at a very hot 39°C (102.2°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
The most humid month is September, with an average relative humidity of 78%.Rainfall
In Halachó, in September, during 22.7 rainfall days, 91mm (3.58") of precipitation is typically accumulated. Throughout the year, in Halachó, there are 154.1 rainfall days, and 532mm (20.94") of precipitation is accumulated.Daylight
In Halachó, the average length of the day in September is 12h and 15min.On the first day of the month, sunrise is at 5:44 am and sunset at 6:15 pm. On the last day of September, sunrise is at 5:51 am and sunset at 5:48 pm CST.
Sunshine
In Halachó, the average sunshine in September is 10.6h.UV index
The months with the highest UV index are March through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halachó, Mexico
- Average high temperature in September: 30.7°C
The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (25.8°C).
- Average low temperature in September: 25.3°C
The month with the highest average low temperature is June (25.7°C).
The coldest month (with the lowest average low temperature) is January (20.7°C).
Average pressure in September
Halachó, Mexico
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is September (1011.8mbar).
Average wind speed in September
Halachó, Mexico
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is March (20.9km/h).
The calmest month (with the lowest average wind speed) is September (15.9km/h).
Average humidity in September
Halachó, Mexico
- Average humidity in September: 78%
The month with the highest relative humidity is September (78%).
The months with the lowest relative humidity are March and April (71%).
Average rainfall in September
Halachó, Mexico
- Average rainfall in September: 91mm
The wettest month (with the highest rainfall) is June (103mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in September
Halachó, Mexico
- Average rainfall days in September: 22.7 days
The month with the highest number of rainy days is September (22.7 days).
The month with the least rainy days is February (4.8 days).
Average daylight in September /
Average sunshine in September
Halachó, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 10h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in September
Halachó, Mexico
- Average sunshine days in September: 4.7 days
The month with the most sunshine days is March (24.8 days).
The month with the least sunshine days is September (4.7 days).
Average UV index in September
Halachó, Mexico
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in September
Halachó, Mexico
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 30).
The months with the least cloud cover are April and July (Cloud cover 19).
Average visibility in September
Halachó, 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).
