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 move into September indicates a reduction in the average high-temperature, down from August's fiery hot 96.4°F (35.8°C) to a tropical 87.3°F (30.7°C). Throughout September, an average nighttime temperature of 68.7°F (20.4°C) is experienced.Heat index
The heat index value during September is evaluated at a hot 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
September is the most humid month in Clairemont, with an average relative humidity of 55%.Rainfall
In September, in Clairemont, the rain falls for 11.2 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 84.3 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Clairemont, sunrise is at 7:17 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:28 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index in Clairemont, Texas, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
Is it hot in Clairemont during September?
What is the most humid month in Clairemont?
What is the average humidity in September in Clairemont?
How many days does it rain in September in Clairemont?
When it does not snow in Clairemont?
How many hours of daylight does Clairemont have in September?
When is the sunrise / sunset in September in Clairemont?
How many hours of sunshine does Clairemont have in September?
How high is the UV index in September in Clairemont?
Average temperature in September
Clairemont, TX
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in September: 68.7°F
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure in September
Clairemont, 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 (29.85"Hg).
Average wind speed in September
Clairemont, TX
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is April (14mph).
The calmest month (with the lowest average wind speed) is September (10.2mph).
Average humidity in September
Clairemont, TX
- Average humidity in September: 55%
The month with the highest relative humidity is September (55%).
The month with the lowest relative humidity is August (44%).
Average rainfall in September
Clairemont, TX
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and February (0.51").
Average rainfall days in September
Clairemont, TX
- Average rainfall days in September: 11.2 days
The months with the highest number of rainy days are May and September (11.2 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Clairemont, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Clairemont, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Clairemont, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Clairemont, TX
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is September (17.6 days).
Average UV index in September
Clairemont, 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
Clairemont, TX
- Average cloud cover in September: 25
The months with the most cloud cover are March, September and December (Cloud cover 25).
The months with the least cloud cover are June and August (Cloud cover 16).
Average visibility in September
Clairemont, 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).
Clairemont, Texas, USA
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