September weather forecastAyapa, Mexico
September
Weather in September
September, the first month of the autumn in Ayapa, is also a hot month, with an average temperature varying between 24.7°C (76.5°F) and 30.6°C (87.1°F).Temperature
Ayapa records an average high-temperature of a still hot 30.6°C (87.1°F) in September, maintaining a close correlation with August's 31.3°C (88.3°F). Ayapa, during the month of September, experiences an average low-temperature of 24.7°C (76.5°F).Heat index
The heat index value during September is calculated to be an extremely hot 40°C (104°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In September, the average relative humidity is 82%.Rainfall
In Ayapa, in September, during 25.5 rainfall days, 155mm (6.1") of precipitation is typically accumulated. Throughout the year, there are 223 rainfall days, and 1255mm (49.41") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 14min.On the first day of September, sunrise is at 5:58 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:01 pm CST.
Sunshine
The average sunshine in September is 9.2h.UV index
The months with the highest UV index are March through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. 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
Ayapa, Mexico
- Average high temperature in September: 30.6°C
The warmest month (with the highest average high temperature) is May (33.1°C).
The month with the lowest average high temperature is January (25.3°C).
- Average low temperature in September: 24.7°C
The month with the highest average low temperature is May (25.5°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).
Average pressure in September
Ayapa, Mexico
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is January (1016.9mbar).
The month with the lowest atmospheric pressure is May (1010.6mbar).
Average wind speed in September
Ayapa, Mexico
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is July (12.6km/h).
The calmest month (with the lowest average wind speed) is October (9.6km/h).
Average humidity in September
Ayapa, Mexico
- Average humidity in September: 82%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in September
Ayapa, Mexico
- Average rainfall in September: 155mm
The wettest month (with the highest rainfall) is October (197mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in September
Ayapa, Mexico
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is September (25.5 days).
The month with the least rainy days is April (11.4 days).
Average daylight in September /
Average sunshine in September
Ayapa, 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 12min
The months with the most sunshine are May and July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Ayapa, Mexico
- Average sunshine days in September: 2.7 days
The month with the most sunshine days is March (17.1 days).
The month with the least sunshine days is September (2.7 days).
Average UV index in September
Ayapa, Mexico
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover in September
Ayapa, Mexico
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is April (Cloud cover 22).
Average visibility in September
Ayapa, Mexico
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July and August (10km).
The months with the lowest visibility are January, September, October, November and December (9km).
