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
With the arrival of September, Clarendon notices a mild change in the average high-temperature, sliding from August's tropical 93.6°F (34.2°C) to a moderately hot 84.7°F (29.3°C). During the month of September, Clarendon experiences a steady low-temperature average of 64.6°F (18.1°C).Heat index
The average heat index in September is appraised at a hot 87.8°F (31°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
September is the most humid month, with an average relative humidity of 55%.Rainfall
In Clarendon, in September, during 10.7 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 88.8 rainfall days, and 14.45" (367mm) of precipitation is accumulated.Snowfall
In Clarendon, snow does not fall in May through September.Daylight
In Clarendon, the average length of the day in September is 12h and 23min.On the first day of September in Clarendon, sunrise is at 7:16 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:28 pm CDT.
Sunshine
In September, the average sunshine in Clarendon, Texas, is 9.1h.UV index
In Clarendon, Texas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
How hot is September in Clarendon?
What is the most humid month in Clarendon?
What is the average humidity in September in Clarendon?
How much does it rain in Clarendon in September?
When it does not snow in Clarendon?
Does it snow in Clarendon in September?
How many hours of daylight does Clarendon have in September?
When is the sunrise / sunset in September in Clarendon?
How many hours of sunshine does Clarendon have in September?
What is the UV index intensity in September in Clarendon?
Average temperature in September
Clarendon, TX
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is December (51.1°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure in September
Clarendon, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Clarendon, TX
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in September
Clarendon, TX
- Average humidity in September: 55%
The month with the highest relative humidity is September (55%).
The month with the lowest relative humidity is April (45%).
Average rainfall in September
Clarendon, TX
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Clarendon, TX
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (11.4 days).
The months with the least rainy days are January and February (3.2 days).
Average snowfall in September
Clarendon, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Clarendon, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Clarendon, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- 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 48min).
Average sunshine days in September
Clarendon, TX
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (15.4 days).
Average UV index in September
Clarendon, 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
Clarendon, TX
- Average cloud cover in September: 22
The month with the most cloud cover is April (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Clarendon, 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).
Clarendon, Texas, USA
Weather forecast for your location
2. Allow the app to use your location
