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's onset brings a negligible change in high-temperatures, falling from a hot 91.4°F (33°C) in August to a moderately hot 82.9°F (28.3°C). Happy's temperature in September lowers to a consistent average of 61.9°F (16.6°C) during the nights.Heat index
The heat index in September is estimated at a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 especially crucial for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
With an average relative humidity of 57%, September is the most humid month.Rainfall
In September, in Happy, the rain falls for 11.9 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. In Happy, Texas, during the entire year, the rain falls for 82.2 days and collects up to 13.35" (339mm) of precipitation.Snowfall
In Happy, snow does not fall in May through September.Daylight
In Happy, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:20 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:32 pm CDT.
Sunshine
The average sunshine in September in Happy is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September leads to these advisories:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
Is it hot in Happy during September?
What is the most humid month in Happy?
What is the average humidity in September in Happy?
How much does it rain in Happy in September?
When it does not snow in Happy?
Does it snow in Happy in September?
How many hours of daylight does Happy have in September?
When are sunrise and sunset in September in Happy?
How many hours of sunshine does Happy have in September?
What is the UV index reading in September in Happy?
Average temperature in September
Happy, TX
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Happy, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Happy, TX
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in September
Happy, TX
- Average humidity in September: 57%
The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is April (41%).
Average rainfall in September
Happy, TX
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days in September
Happy, TX
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in September
Happy, TX
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Happy, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Happy, 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
Happy, TX
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (28.3 days).
The month with the least sunshine days is August (14.5 days).
Average UV index in September
Happy, TX
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Happy, TX
- Average cloud cover in September: 23
The months with the most cloud cover are February and September (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Happy, 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).
Happy, Texas, USA
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