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 average high-temperature drops in September, from August's very hot 96.4°F (35.8°C) to a tropical 87.3°F (30.7°C). The temperature dips to an average of 68.7°F (20.4°C) during September nights.Heat index
For most parts of September, the heat index is appraised at a hot 91.4°F (33°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.In reference to the heat index, it's for places in shade and with a slight wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
With an average relative humidity of 55%, September is the most humid month.Rainfall
In Clairemont, in September, it is raining for 11.2 days, with typically 1.85" (47mm) of accumulated precipitation. 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 in Clairemont.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:28 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Clairemont have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity 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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