September weather forecastMochis, Mexico
September
Weather in September
September, the first month of the autumn in Mochis, is still a tropical month, with an average temperature fluctuating between 27.5°C (81.5°F) and 32.5°C (90.5°F).Temperature
The transition into September is marked with an average high-temperature of a still hot 32.5°C (90.5°F), showing an insignificant shift from August's 33.3°C (91.9°F). September nights experience a minor temperature downturn to a warm 27.5°C (81.5°F).Heat index
Throughout September, the heat index is calculated to be a blisteringly hot 42°C (107.6°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. 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.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
August and September, with an average relative humidity of 69%, are the most humid months.Rainfall
The month with the most rainfall is September, when the rain falls for 13.1 days and typically aggregates up to 71mm (2.8") of precipitation.Daylight
The average length of the day in September in Mochis is 12h and 17min.On the first day of September, sunrise is at 5:56 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 6:03 pm MST.
Sunshine
In Mochis, the average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mochis, Mexico
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (23.8°C).
- Average low temperature in September: 27.5°C
The month with the highest average low temperature is August (28.2°C).
The coldest months (with the lowest average low temperature) are January and February (16.6°C).
Average pressure in September
Mochis, Mexico
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is September (1009.5mbar).
Average wind speed in September
Mochis, Mexico
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in September
Mochis, Mexico
- Average humidity in September: 69%
The months with the highest relative humidity are August and September (69%).
The month with the lowest relative humidity is May (52%).
Average rainfall in September
Mochis, Mexico
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is September (71mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in September
Mochis, Mexico
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is May (1.2 days).
Average daylight in September /
Average sunshine in September
Mochis, 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 48min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in September
Mochis, Mexico
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Mochis, Mexico
- Average UV index in September: 7
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in September
Mochis, Mexico
- Average cloud cover in September: 20
The month with the most cloud cover is July (Cloud cover 23).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in September
Mochis, 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).
