September weather forecastGustine, TX
September
Weather in September
September, the first month of the autumn in Gustine, is also a hot month, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 68.7°F (20.4°C).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a very hot 95.2°F (35.1°C) in August to a tropical 86.9°F (30.5°C). September witnesses an average nighttime temperature of 68.7°F (20.4°C).Heat index
September's heat index is evaluated at a tropical 93.2°F (34°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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.
Humidity
In Gustine, the average relative humidity in September is 62%.Rainfall
In Gustine, during September, the rain falls for 12.6 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Gustine, during the entire year, the rain falls for 115 days and collects up to 19.49" (495mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Gustine, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:19 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 in September translates into these instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gustine, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The months with the lowest average high temperature are January and December (56.8°F).
- Average low temperature in September: 68.7°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in September
Gustine, 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 (29.89"Hg).
Average wind speed in September
Gustine, TX
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is September (8.1mph).
Average humidity in September
Gustine, TX
- Average humidity in September: 62%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Gustine, TX
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (2.48").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Gustine, TX
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Gustine, TX
- Average snowfall in September: 0"
The months with the highest snowfall are February and December (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Gustine, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gustine, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Gustine, TX
- Average sunshine days in September: 15 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (14.9 days).
Average UV index in September
Gustine, TX
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Gustine, TX
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Gustine, 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).
