September weather forecastMontemorelos, Mexico
September
Weather in September
September, the first month of the autumn in Montemorelos, is also a moderately hot month, with an average temperature ranging between max 29.5°C (85.1°F) and min 19.7°C (67.5°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 33.4°C (92.1°F) in August to a warm 29.5°C (85.1°F). Montemorelos throughout September, records an average low-temperature of 19.7°C (67.5°F).Heat index
The average heat index in September is computed to be a tropical 33°C (91.4°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
September is the most humid month, with an average relative humidity of 67%.Rainfall
September is the month with the most rainfall. Rain falls for 19 days and accumulates 84mm (3.31") of precipitation.Snowfall
February through December are months without snowfall in Montemorelos.Daylight
In September, the average length of the day in Montemorelos is 12h and 17min.On the first day of the month, sunrise is at 6:20 am and sunset at 6:57 pm. On the last day of September, in Montemorelos, sunrise is at 6:31 am and sunset at 6:26 pm CST.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 during September translates into the following guidance:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Montemorelos, Mexico
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is August (33.4°C).
The month with the lowest average high temperature is January (20.3°C).
- Average low temperature in September: 19.7°C
The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).
Average pressure in September
Montemorelos, 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 (1012mbar).
Average wind speed in September
Montemorelos, Mexico
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is July (12.2km/h).
The calmest month (with the lowest average wind speed) is December (7.8km/h).
Average humidity in September
Montemorelos, Mexico
- Average humidity in September: 67%
The month with the highest relative humidity is September (67%).
The month with the lowest relative humidity is April (51%).
Average rainfall in September
Montemorelos, Mexico
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is September (84mm).
The driest month (with the least rainfall) is February (4mm).
Average rainfall days in September
Montemorelos, Mexico
- Average rainfall days in September: 19 days
The month with the highest number of rainy days is September (19 days).
The month with the least rainy days is February (3.5 days).
Average snowfall days in September
Montemorelos, 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
Montemorelos, 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 12min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are November and December (Average sunshine: 7h and 12min).
Average sunshine days in September
Montemorelos, Mexico
- Average sunshine days in September: 8.8 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in September
Montemorelos, Mexico
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Montemorelos, Mexico
- Average cloud cover in September: 26
The month with the most cloud cover is September (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Montemorelos, 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).
