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
September brings a slight decrease in the average high-temperature, shifting from a fiery hot 95.4°F (35.2°C) in August to a hot 87.1°F (30.6°C). An average temperature of 68.7°F (20.4°C) is recorded in Valera, Texas, during the nights in September.Heat index
In September, the heat index is evaluated at a tropical 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Know that the heat index computations account for shaded terrains and slight winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in September in Valera is 59%.Rainfall
In Valera, in September, during 12.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 108.9 rainfall days, and 18.19" (462mm) of precipitation is accumulated.Snowfall
In Valera, Texas, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:14 am and sunset at 8:01 pm. On the last day of September, in Valera, sunrise is at 7:31 am and sunset at 7:23 pm CDT.
Sunshine
In Valera, Texas, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Valera is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Valera in September?
What is the average humidity in September in Valera?
How much does it rain in Valera in September?
When it does not snow in Valera?
What is the average length of the day in September in Valera?
When is the sunrise / sunset in September in Valera?
How long on average sun shines in September in Valera?
How high is the UV index in September in Valera?
Average temperature in September
Valera, TX
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is 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 (38.8°F).
Average pressure in September
Valera, 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 (29.88"Hg).
Average wind speed in September
Valera, TX
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is September (8.6mph).
Average humidity in September
Valera, TX
- Average humidity in September: 59%
The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Valera, TX
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Valera, TX
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Valera, 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
Valera, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Valera, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Valera, TX
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is May (15.2 days).
Average UV index in September
Valera, TX
- Average UV index in September: 6
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 3).
Average cloud cover in September
Valera, TX
- Average cloud cover in September: 28
The months with the most cloud cover are March and May (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Valera, 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).
Valera, Texas, USA
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