September weather forecast
Groom, TX

Share

Weather in September

September, the first month of the autumn in Groom, is also a moderately hot month, with an average temperature fluctuating between 83.5°F (28.6°C) and 63.1°F (17.3°C).

Temperature

Groom in September experiences a gentle temperature dip, with average high-temperatures reducing from a tropical 91.9°F (33.3°C) in August to a warm 83.5°F (28.6°C). Groom in September anticipates an average nighttime temperature of 63.1°F (17.3°C).

Heat index

In September, the average heat index is computed to be a tropical 86°F (30°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in September is 54%.

Rainfall

In Groom, during September, the rain falls for 11.3 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 93.1 rainfall days, and 14.09" (358mm) of precipitation is accumulated.

Snowfall

In Groom, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September in Groom, Texas, sunrise is at 7:17 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:29 pm CDT.

Sunshine

In Groom, the average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Heed the precautions - It is counselled to guard against solar damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

In Groom, 83.5°F (28.6°C) is the average high-temperature and 63.1°F (17.3°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in September in Groom?

In September, the average relative humidity is 54%.

How much does it rain in September?

In Groom, in September, during 11.3 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

In Groom, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

The average day length in September is 12h and 23min.

When are sunrise and sunset in September in Groom?

On the first day of September, sunrise is at 7:17 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:29 pm CDT.

How many hours of sunshine does Groom have in September?

The average sunshine duration in September is 9.3h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Groom, TX

Average temperature in September - Groom, TX
  • Average high temperature in September: 83.5°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in September: 63.1°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in September
Groom, TX

Average pressure in September - Groom, 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
Groom, TX

Average wind speed in September - Groom, TX
  • Average wind speed in September: 11.9mph

The windiest month (with the highest average wind speed) is April (14.5mph).
The calmest month (with the lowest average wind speed) is August (11mph).

Average humidity in September
Groom, TX

Average humidity in September - Groom, TX
  • Average humidity in September: 54%

The month with the highest relative humidity is December (55%).
The months with the lowest relative humidity are March and April (44%).

Average rainfall in September
Groom, TX

Average rainfall in September - Groom, TX
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is February (0.35").

Average rainfall days in September
Groom, TX

Average rainfall days in September - Groom, TX
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is July (13.1 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in September
Groom, TX

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

The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Groom, TX

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

The month with the highest number of snowfall days is February (3.6 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
Groom, TX

Average daylight in September / Average sunshine in September - Groom, 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 48min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in September
Groom, TX

Average sunshine days in September - Groom, TX
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is July (12.6 days).

Average UV index in September
Groom, TX

Average UV index in September - Groom, 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
Groom, TX

Average cloud cover in September - Groom, TX
  • Average cloud cover in September: 21

The months with the most cloud cover are February, March, April and December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in September
Groom, TX

Average visibility in September - Groom, 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).

Groom, Texas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location