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 advent of September brings a subtle shift in temperature, with the average high moving from a very hot 95.5°F (35.3°C) in August to a tropical 87.1°F (30.6°C). Robert Lee, during the nights of September, experiences an average temperature drop to an agreeable 68.7°F (20.4°C).Heat index
The heat index for September is estimated at a hot 91.4°F (33°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Note that heat index values are valued for light wind and location in the shade. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 hold great significance to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
September and November, with an average relative humidity of 57%, are the most humid months in Robert Lee.Rainfall
In Robert Lee, during September, the rain falls for 11.3 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 89.1 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
In Robert Lee, Texas, snow does not fall in April through October.Daylight
In September, the average length of the day in Robert Lee is 12h and 21min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:27 pm CDT.
Sunshine
In September, the average sunshine in Robert Lee is 8.8h.UV index
In September, the average daily maximum UV index in Robert Lee is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during September leads to these advisories:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
How hot does it get in Robert Lee in September?
What are the most humid months in Robert Lee?
What is the average humidity in September in Robert Lee?
How many days does it rain in September in Robert Lee?
When it does not snow in Robert Lee?
How many hours of daylight does Robert Lee have in September?
When are sunrise and sunset in September in Robert Lee?
How many hours of sunshine does Robert Lee have in September?
What is the UV index intensity in September in Robert Lee?
Average temperature in September
Robert Lee, TX
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The months with the lowest average high temperature are January and December (57.4°F).
- Average low temperature in September: 68.7°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in September
Robert Lee, 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 (29.86"Hg).
Average wind speed in September
Robert Lee, TX
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is September (9.7mph).
Average humidity in September
Robert Lee, TX
- Average humidity in September: 57%
The months with the highest relative humidity are September and November (57%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Robert Lee, TX
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Robert Lee, TX
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Robert Lee, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Robert Lee, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 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
Robert Lee, TX
- Average daylight in September: 12h and 2min
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 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Robert Lee, TX
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is September (16.1 days).
Average UV index in September
Robert Lee, 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
Robert Lee, TX
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Robert Lee, 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).
Robert Lee, Texas, USA
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