September weather forecast
Ruidosa, TX

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Weather in September

The first month of the autumn, September, is still a tropical month in Ruidosa, Texas, with temperature in the range of an average low of 70.2°F (21.2°C) and an average high of 87.1°F (30.6°C).

Temperature

In September, the average high-temperature marginally drops from 93.6°F (34.2°C) in August to a still tropical 87.1°F (30.6°C). Throughout the month of September, Ruidosa witnesses an average low-temperature of 70.2°F (21.2°C).

Heat index

For most parts of September, the heat index is computed to be a hot 87.8°F (31°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The most humid month is September, with an average relative humidity of 45%.

Rainfall

September is the month with the most rainfall. Rain falls for 11.9 days and accumulates 1.18" (30mm) of precipitation.

Snowfall

February through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 7:36 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 7:44 pm CDT.

Sunshine

In Ruidosa, the average sunshine in September is 9.5h.

UV index

In Ruidosa, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Ruidosa in September?

In September, the average high-temperature and low-temperature are 87.1°F (30.6°C) and 70.2°F (21.2°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is computed to be 87.8°F (31°C).

What is the most humid month?

September is the most humid month, with an average relative humidity of 45%.

What is the average humidity in September?

The average relative humidity in September is 45%.

What is the rainiest month in Ruidosa?

The month with the most rainfall is September, when the rain falls for 11.9 days and typically aggregates up to 1.18" (30mm) of precipitation.

How much does it rain in September?

In Ruidosa, during September, the rain falls for 11.9 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Ruidosa have in September?

In Ruidosa, the average day length in September is 12h and 20min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:36 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 7:44 pm CDT.

How long on average sun shines in September?

In Ruidosa, the average sunshine duration in September is 9.5h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ruidosa, TX

Average temperature in September - Ruidosa, TX
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is June (96.3°F).
The month with the lowest average high temperature is January (61.9°F).

  • Average low temperature in September: 70.2°F

The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in September
Ruidosa, TX

Average pressure in September - Ruidosa, TX
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in September
Ruidosa, TX

Average wind speed in September - Ruidosa, TX
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is December (5.4mph).

Average humidity in September
Ruidosa, TX

Average humidity in September - Ruidosa, TX
  • Average humidity in September: 45%

The month with the highest relative humidity is September (45%).
The month with the lowest relative humidity is April (23%).

Average rainfall in September
Ruidosa, TX

Average rainfall in September - Ruidosa, TX
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is September (1.18").
The driest month (with the least rainfall) is February (0.12").

Average rainfall days in September
Ruidosa, TX

Average rainfall days in September - Ruidosa, TX
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is July (13 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in September
Ruidosa, TX

Average snowfall in September - Ruidosa, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Ruidosa, TX

Average snowfall days in September - Ruidosa, TX
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and December (0.3 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
Ruidosa, TX

Average daylight in September / Average sunshine in September - Ruidosa, TX
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 8h and 18min).

Average sunshine days in September
Ruidosa, TX

Average sunshine days in September - Ruidosa, TX
  • Average sunshine days in September: 13.2 days

The months with the most sunshine days are January and December (27.3 days).
The month with the least sunshine days is September (13.2 days).

Average UV index in September
Ruidosa, TX

Average UV index in September - Ruidosa, 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
Ruidosa, TX

Average cloud cover in September - Ruidosa, TX
  • Average cloud cover in September: 20

The month with the most cloud cover is September (Cloud cover 20).
The months with the least cloud cover are May and June (Cloud cover 10).

Average visibility in September
Ruidosa, TX

Average visibility in September - Ruidosa, 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).

Ruidosa, Texas, USA

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