September weather forecastBig Lake, TX
September
Weather in September
September, the first month of the autumn in Big Lake, is also a moderately hot month, with an average temperature varying between 67.6°F (19.8°C) and 85.6°F (29.8°C).Temperature
In September, the average high-temperature marginally drops from a hot 93.6°F (34.2°C) in August to a moderately hot 85.6°F (29.8°C). In Big Lake, the nighttime temperature averages to a refreshing 67.6°F (19.8°C) during September.Heat index
For most parts of September, the heat index is evaluated at a tropical 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', arises from combining readings of air temperature and relative moisture content. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
September through November, with an average relative humidity of 57%, are the most humid months in Big Lake.Rainfall
In Big Lake, Texas, during September, the rain falls for 13.2 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 94 rainfall days, and 15.16" (385mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Big Lake, Texas.Daylight
In Big Lake, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:22 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:31 pm CDT.
Sunshine
In Big Lake, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during September translates into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Big Lake, TX
- Average high temperature in September: 85.6°F
The warmest month (with the highest average high temperature) is August (93.6°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in September
Big Lake, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in September
Big Lake, TX
- Average wind speed in September: 11.1mph
The windiest month (with the highest average wind speed) is April (15mph).
The calmest months (with the lowest average wind speed) are September and December (11.1mph).
Average humidity in September
Big Lake, TX
- Average humidity in September: 57%
The months with the highest relative humidity are September, October and November (57%).
The month with the lowest relative humidity is April (46%).
Average rainfall in September
Big Lake, TX
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (2.32").
The driest months (with the least rainfall) are January and February (0.47").
Average rainfall days in September
Big Lake, TX
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Big Lake, TX
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Big Lake, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (1.5 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Big Lake, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).
Average sunshine days in September
Big Lake, TX
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is January (25.5 days).
The months with the least sunshine days are May and September (14.4 days).
Average UV index in September
Big Lake, TX
- 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 and December (UV index 3).
Average cloud cover in September
Big Lake, TX
- Average cloud cover in September: 26
The months with the most cloud cover are March and September (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Big Lake, 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).
