Lubbock
Texas, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Lubbock, TX

September, the first month of the autumn, in Lubbock, is still a warm month, with average temperature fluctuating between 63.5°F (17.5°C) and 83.3°F (28.5°C).

Temperature

In September, the average high-temperature decreases, from a tropical 92.3°F (33.5°C) in August, to a moderately hot 83.3°F (28.5°C). In September, the average low-temperature is 63.5°F (17.5°C).

Heat index

In September, the average heat index is estimated at 85.6°F (29.8°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, differences in body mass, height, and shape, metabolic differences). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

September is the most humid month, with an average relative humidity of 57%.

Rainfall

The month with the most rainfall is September when the rain falls for 12.8 days and typically aggregates up to 2.36" (60mm) of precipitation.

Snowfall

In Lubbock snow does not fall in April through September.

Daylight

In Lubbock, the average length of the day is 12.4h.

Sunshine

In Lubbock, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Lubbock?

In September, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines relative humidity and air temperature, in September is estimated at 85.6°F (29.8°C).

What is the most humid month in Lubbock?

The most humid month in Lubbock, Texas, is September, with an average relative humidity of 57%.

What is the average humidity in September in Lubbock?

In Lubbock, the average relative humidity in September is 57%.

How many days does it rain in September in Lubbock?

In Lubbock, in September, during 12.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

What is the wettest month in Lubbock?

The month with the most rainfall in Lubbock, Texas, is September when the rain falls for 12.8 days and typically aggregates up to 2.36" (60mm) of precipitation.

Does it snow in Lubbock in September?

In Lubbock, Texas, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Lubbock?

In Lubbock, Texas, snow does not fall in April through September.

How many hours of daylight does Lubbock have in September?

In Lubbock, the average length of the day in September is 12.4h.

How many hours of sunshine does Lubbock have in September?

In Lubbock, the average sunshine in September is 9h.

What is the UV index reading in September in Lubbock?

The average daily maximum UV index in September in Lubbock, Texas, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Lubbock, TX
  • Average high temperature in September: 83.3°F

The warmest months (with the highest average high temperature) are July and August (92.3°F).
The month with the lowest average high temperature is December (52.5°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average humidity in September - Lubbock, TX
  • Average humidity in September: 57%

The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is April (39%).

Average rainfall in September - Lubbock, TX
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is September (2.36").
The driest month (with the least rainfall) is February (0.39").

Average rainfall days in September - Lubbock, TX
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is September (12.8 days).
The month with the least rainy days is November (3.2 days).

Average snowfall in September - Lubbock, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.93").
Months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in September - Lubbock, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Lubbock, TX
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 9h

The month with the most sunshine is June (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 6.8h).

Average UV index in September - Lubbock, TX
  • Average UV index in September: 6

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 2).