September weather forecastBonney, TX
September
Weather in September
The first month of the autumn, September, is also a hot month in Bonney, Texas, with an average temperature fluctuating between 86.4°F (30.2°C) and 75.2°F (24°C).Temperature
The commencement of September brings an average high-temperature of a still hot 86.4°F (30.2°C), marking an inconsequential divergence from August. Throughout the September nights, Bonney encounters a low-temperature of 75.2°F (24°C).Heat index
For most parts of September, the heat index is computed to be a sweltering 98.6°F (37°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.The standards for the heat index are set for locations in shade and under light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In Bonney, the average relative humidity in September is 77%.Rainfall
September is the month with the most rainfall in Bonney. Rain falls for 20.8 days and accumulates 5.39" (137mm) of precipitation.Snowfall
In Bonney, Texas, snow does not fall in February through November.Daylight
In September, the average length of the day is 12h and 20min.On the first day of September, sunrise is at 6:59 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:08 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in Bonney is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bonney, TX
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (61°F).
- Average low temperature in September: 75.2°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (48.9°F).
Average pressure in September
Bonney, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Bonney, TX
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in September
Bonney, TX
- Average humidity in September: 77%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Bonney, TX
- Average rainfall in September: 5.39"
The wettest month (with the highest rainfall) is September (5.39").
The driest months (with the least rainfall) are February and March (1.38").
Average rainfall days in September
Bonney, TX
- Average rainfall days in September: 20.8 days
The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in September
Bonney, TX
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Bonney, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Bonney, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Bonney, TX
- Average sunshine days in September: 6.5 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is September (6.5 days).
Average UV index in September
Bonney, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Bonney, TX
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July, August and October (Cloud cover 27).
Average visibility in September
Bonney, TX
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





