September weather forecastCiudad Altamirano, Mexico
September
Weather in September
September, the first month of the autumn in Ciudad Altamirano, is still a warm month, with an average temperature varying between 28.7°C (83.7°F) and 23.4°C (74.1°F).Temperature
Ciudad Altamirano greets September with an average high-temperature of a still moderately hot 28.7°C (83.7°F), marking a slight deviation from the preceding month. September's nights observe an average temperature of 23.4°C (74.1°F).Heat index
In September, the average heat index is calculated to be a hot 34°C (93.2°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
The months with the highest humidity are September and October, with an average relative humidity of 78%.Rainfall
September is the month with the most rainfall. Rain falls for 25.6 days and accumulates 182mm (7.17") of precipitation.Daylight
In Ciudad Altamirano, the average length of the day in September is 12h and 14min.On the first day of September, sunrise is at 6:28 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:31 pm CST.
Sunshine
In September, the average sunshine in Ciudad Altamirano is 9h.UV index
March through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 7 suggests these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ciudad Altamirano, Mexico
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is May (30.5°C).
The month with the lowest average high temperature is December (28.5°C).
- Average low temperature in September: 23.4°C
The month with the highest average low temperature is June (23.8°C).
The coldest month (with the lowest average low temperature) is February (20.8°C).
Average pressure in September
Ciudad Altamirano, Mexico
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is January (1013.4mbar).
The months with the lowest atmospheric pressure are May, June and September (1010.6mbar).
Average wind speed in September
Ciudad Altamirano, Mexico
- Average wind speed in September: 8km/h
The windiest months (with the highest average wind speed) are March and September (8km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).
Average humidity in September
Ciudad Altamirano, Mexico
- Average humidity in September: 78%
The months with the highest relative humidity are September and October (78%).
The month with the lowest relative humidity is April (58%).
Average rainfall in September
Ciudad Altamirano, Mexico
- Average rainfall in September: 182mm
The wettest month (with the highest rainfall) is September (182mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in September
Ciudad Altamirano, Mexico
- Average rainfall days in September: 25.6 days
The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is February (1.6 days).
Average daylight in September /
Average sunshine in September
Ciudad Altamirano, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are January, February, March, April, May and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 8h and 54min).
Average sunshine days in September
Ciudad Altamirano, Mexico
- Average sunshine days in September: 1.6 days
The month with the most sunshine days is March (28.9 days).
The month with the least sunshine days is September (1.6 days).
Average UV index in September
Ciudad Altamirano, 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
Ciudad Altamirano, Mexico
- Average cloud cover in September: 35
The month with the most cloud cover is September (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 7).
Average visibility in September
Ciudad Altamirano, 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).





