September weather forecastBarretal, Mexico
September
Weather in September
The first month of the autumn, September, is still a tropical month in Barretal, Mexico, with an average temperature fluctuating between 30.8°C (87.4°F) and 20.5°C (68.9°F).Temperature
In September, Barretal experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 30.8°C (87.4°F), closely mirroring the climate in August. Barretal observes an average low-temperature of 20.5°C (68.9°F) during September nights.Heat index
The heat index value for September is estimated at a very hot 36°C (96.8°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
With an average relative humidity of 68%, September is the most humid month.Rainfall
In Barretal, during September, the rain falls for 16.7 days and regularly aggregates up to 72mm (2.83") of precipitation. Throughout the year, there are 132.3 rainfall days, and 428mm (16.85") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 17min.On the first day of September, sunrise is at 6:18 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 6:24 pm CST.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 6 transforms into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barretal, Mexico
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (22.4°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is June (21.7°C).
The coldest month (with the lowest average low temperature) is January (11.3°C).
Average pressure in September
Barretal, Mexico
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is May (1012.2mbar).
Average wind speed in September
Barretal, Mexico
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is April (13.2km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).
Average humidity in September
Barretal, Mexico
- Average humidity in September: 68%
The month with the highest relative humidity is September (68%).
The month with the lowest relative humidity is April (54%).
Average rainfall in September
Barretal, Mexico
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is June (74mm).
The driest month (with the least rainfall) is January (5mm).
Average rainfall days in September
Barretal, Mexico
- Average rainfall days in September: 16.7 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is December (4.2 days).
Average daylight in September /
Average sunshine in September
Barretal, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 7h and 12min).
Average sunshine days in September
Barretal, Mexico
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is December (25.9 days).
The month with the least sunshine days is June (7.1 days).
Average UV index in September
Barretal, Mexico
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 5).
Average cloud cover in September
Barretal, 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 February (Cloud cover 17).
Average visibility in September
Barretal, 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).
