September weather forecastRoosevelt, TX
September
Weather in September
September, the first month of the autumn in Roosevelt, is still a tropical month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 68.2°F (20.1°C).Temperature
A modest decline in the average high-temperature is seen during September, decreasing from a hot 94.3°F (34.6°C) in August to a still tropical 86.5°F (30.3°C). Roosevelt witnesses a consistent average low-temperature of 68.2°F (20.1°C) throughout September.Heat index
In September, the average heat index is calculated to be a hot 93.2°F (34°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. 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. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In September, the average relative humidity in Roosevelt, Texas, is 62%.Rainfall
In September, in Roosevelt, the rain falls for 12.4 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. In Roosevelt, during the entire year, the rain falls for 100.7 days and collects up to 14.65" (372mm) of precipitation.Snowfall
In Roosevelt, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:02 pm. On the last day of September, in Roosevelt, sunrise is at 7:33 am and sunset at 7:26 pm CDT.
Sunshine
In Roosevelt, Texas, the average sunshine in September is 8.7h.UV index
In Roosevelt, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 6 transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roosevelt, TX
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in September: 68.2°F
The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in September
Roosevelt, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).
Average wind speed in September
Roosevelt, TX
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is September (8.8mph).
Average humidity in September
Roosevelt, TX
- Average humidity in September: 62%
The months with the highest relative humidity are May and November (64%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Roosevelt, TX
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days in September
Roosevelt, TX
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is September (12.4 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Roosevelt, TX
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.28").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Roosevelt, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Roosevelt, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The months with the least sunshine are November and December (Average sunshine: 6h and 6min).
Average sunshine days in September
Roosevelt, TX
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is September (15.5 days).
Average UV index in September
Roosevelt, TX
- Average UV index in September: 6
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 3).
Average cloud cover in September
Roosevelt, TX
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Roosevelt, 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).
