September weather forecastCosolapa, Mexico
September
Weather in September
September, the first month of the autumn in Cosolapa, is still a hot month, with an average temperature ranging between min 21.3°C (70.3°F) and max 30.5°C (86.9°F).Temperature
September denotes a minimal variation in the average high-temperature to a still tropical 30.5°C (86.9°F) from August's 31.7°C (89.1°F). Cosolapa experiences a nighttime temperature average of 21.3°C (70.3°F) during September.Heat index
The heat index in September is computed to be an extremely hot 40°C (104°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
The months with the highest humidity are September and October, with an average relative humidity of 82%.Rainfall
In Cosolapa, Mexico, during September, the rain falls for 25.1 days and regularly aggregates up to 111mm (4.37") of precipitation. In Cosolapa, during the entire year, the rain falls for 195.4 days and collects up to 758mm (29.84") of precipitation.Daylight
In September, the average length of the day is 12h and 14min.On the first day of the month, sunrise is at 6:12 am and sunset at 6:40 pm. On the last day of September, in Cosolapa, sunrise is at 6:17 am and sunset at 6:15 pm CST.
Sunshine
In September, the average sunshine in Cosolapa is 8.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 6 during September leads to these instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. 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. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cosolapa, Mexico
- Average high temperature in September: 30.5°C
The warmest month (with the highest average high temperature) is May (35.5°C).
The month with the lowest average high temperature is January (24.6°C).
- Average low temperature in September: 21.3°C
The month with the highest average low temperature is May (23.4°C).
The coldest month (with the lowest average low temperature) is January (16.1°C).
Average pressure in September
Cosolapa, Mexico
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is January (1019mbar).
The month with the lowest atmospheric pressure is May (1013mbar).
Average wind speed in September
Cosolapa, Mexico
- Average wind speed in September: 5.7km/h
The windiest month (with the highest average wind speed) is April (7.7km/h).
The calmest months (with the lowest average wind speed) are September, November and December (5.7km/h).
Average humidity in September
Cosolapa, Mexico
- Average humidity in September: 82%
The months with the highest relative humidity are September and October (82%).
The month with the lowest relative humidity is May (63%).
Average rainfall in September
Cosolapa, Mexico
- Average rainfall in September: 111mm
The wettest month (with the highest rainfall) is August (129mm).
The driest month (with the least rainfall) is March (18mm).
Average rainfall days in September
Cosolapa, Mexico
- Average rainfall days in September: 25.1 days
The month with the highest number of rainy days is September (25.1 days).
The month with the least rainy days is March (9.9 days).
Average daylight in September /
Average sunshine in September
Cosolapa, 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 0min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Cosolapa, Mexico
- Average sunshine days in September: 3.7 days
The month with the most sunshine days is March (18.7 days).
The month with the least sunshine days is August (3.6 days).
Average UV index in September
Cosolapa, Mexico
- Average UV index in September: 6
The months with the highest UV index are March, April, May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in September
Cosolapa, Mexico
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility in September
Cosolapa, Mexico
- Average visibility in September: 9km
The months with the highest visibility are April and May (10km).
The months with the lowest visibility are January, February, March, June, July, August, September, October, November and December (9km).
