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
In Rotan, the average high-temperature in September decreases from a fiery hot 96.4°F (35.8°C) in August to a hot 87.3°F (30.7°C). Rotan temperatures generally rest at a low of 68.7°F (20.4°C) during the September nights.Heat index
September's average heat index is calculated to be a hot 91.4°F (33°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
The most humid month in Rotan is September, with an average relative humidity of 55%.Rainfall
In Rotan, 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.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 7:16 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:27 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Rotan in September?
What is the most humid month?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Rotan have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Rotan have in September?
What is the UV index reading in September?
Average temperature in September
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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
Rotan, 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).
Rotan, Texas, USA
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