Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 91.9°F (33.3°C) in August to a moderately hot 84.2°F (29°C). In September, the temperature drops to an average of 64.4°F (18°C) at night.Heat index
For September, the heat index is estimated at a tropical 86°F (30°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In September, the average relative humidity is 53%.Rainfall
In Booker, in September, it is raining for 11 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 103 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Booker, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 7:14 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:26 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Booker have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Booker have in September?
How high is the UV index in September?
Average temperature in September
Booker, TX
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (47.3°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Booker, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Booker, TX
- Average wind speed in September: 12.5mph
The windiest month (with the highest average wind speed) is April (14.1mph).
The calmest month (with the lowest average wind speed) is January (11.1mph).
Average humidity in September
Booker, TX
- Average humidity in September: 53%
The month with the highest relative humidity is December (58%).
The month with the lowest relative humidity is July (48%).
Average rainfall in September
Booker, TX
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in September
Booker, TX
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (14.6 days).
The months with the least rainy days are January and December (3.3 days).
Average snowfall in September
Booker, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Booker, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Booker, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Booker, TX
- Average sunshine days in September: 16 days
The month with the most sunshine days is January (25 days).
The months with the least sunshine days are July and August (12.9 days).
Average UV index in September
Booker, TX
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Booker, TX
- Average cloud cover in September: 21
The month with the most cloud cover is April (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in September
Booker, 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).
Booker, Texas, USA
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