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
A mild drop in Ralls's average high-temperature is observed in September, transitioning from a hot 92.8°F (33.8°C) in August to a moderately hot 83.8°F (28.8°C). Throughout the month of September, Ralls observes an average nighttime temperature of 64.4°F (18°C).Heat index
The average heat index in September is computed to be a tropical 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
With an average relative humidity of 58%, September is the most humid month.Rainfall
The months with the most rainfall are May and September, with an average 2.32" (59mm) of precipitation.Snowfall
May through September are months without snowfall in Ralls.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 7:19 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:30 pm CDT.
Sunshine
In Ralls, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. To protect against the Sun's most potent rays, avoid direct exposure around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Ralls in September?
What is the most humid month in Ralls?
What is the average humidity in September in Ralls?
What is the rainiest month in Ralls?
How much does it rain in Ralls in September?
When it does not snow in Ralls?
Does it snow in Ralls in September?
What is the average length of the day in September in Ralls?
When is the sunrise / sunset in September in Ralls?
How long on average sun shines in September in Ralls?
How high is the UV index in September in Ralls?
Average temperature in September
Ralls, TX
- Average high temperature in September: 83.8°F
The warmest months (with the highest average high temperature) are July and August (92.8°F).
The month with the lowest average high temperature is December (52.3°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in September
Ralls, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Ralls, TX
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in September
Ralls, TX
- Average humidity in September: 58%
The month with the highest relative humidity is September (58%).
The month with the lowest relative humidity is April (42%).
Average rainfall in September
Ralls, TX
- Average rainfall in September: 2.32"
The wettest months (with the highest rainfall) are May and September (2.32").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Ralls, TX
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is September (12.5 days).
The months with the least rainy days are January and November (3.2 days).
Average snowfall in September
Ralls, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Ralls, 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
Ralls, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Ralls, TX
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (26.9 days).
The month with the least sunshine days is September (15.4 days).
Average UV index in September
Ralls, 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
Ralls, TX
- Average cloud cover in September: 24
The month with the most cloud cover is September (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Ralls, 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).
Ralls, Texas, USA
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