September weather forecast
New Waverly, TX

Share

Weather in September

The first month of the autumn, September, is also a hot month in New Waverly, Texas, with an average temperature fluctuating between 89.1°F (31.7°C) and 70.2°F (21.2°C).

Temperature

The advent of September brings a subtle shift in temperature, with the average high moving from a torrid 95.5°F (35.3°C) in August to a tropical 89.1°F (31.7°C). In New Waverly, September nights witness a steady temperature drop to a pleasant 70.2°F (21.2°C).

Heat index

The heat index in September is estimated at a blistering 105.8°F (41°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity 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 highly critical to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In New Waverly, Texas, during September, the rain falls for 17.1 days and regularly aggregates up to 2.05" (52mm) of precipitation. In New Waverly, Texas, during the entire year, the rain falls for 150.2 days and collects up to 19.72" (501mm) of precipitation.

Snowfall

In New Waverly, Texas, snow does not fall in February through November.

Daylight

In New Waverly, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 6:58 am and sunset at 7:44 pm. On the last day of September, in New Waverly, sunrise is at 7:15 am and sunset at 7:08 pm CDT.

Sunshine

In New Waverly, Texas, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the UV index of 6 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in New Waverly during September?

The high-temperature in New Waverly during September is 89.1°F (31.7°C) and the low-temperature is 70.2°F (21.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 105.8°F (41°C).

What is the average humidity in September in New Waverly?

In New Waverly, Texas, the average relative humidity in September is 74%.

How many days does it rain in September in New Waverly?

In September, the rain falls for 17.1 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in New Waverly?

In New Waverly, snow does not fall in February through November.

How many hours of daylight does New Waverly have in September?

The average day length in September in New Waverly is 12h and 20min.

When is the sunrise / sunset in September in New Waverly?

On the first day of September in New Waverly, sunrise is at 6:58 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:08 pm CDT.

How long on average sun shines in September in New Waverly?

In September, the average sunshine duration in New Waverly is 8.5h.

How high is the UV index in September in New Waverly?

The average daily maximum UV index in September in New Waverly, Texas, is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
New Waverly, TX

Average temperature in September - New Waverly, TX
  • Average high temperature in September: 89.1°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (59.2°F).

  • Average low temperature in September: 70.2°F

The months with the highest average low temperature are July and August (74.5°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

Average pressure in September
New Waverly, TX

Average pressure in September - New Waverly, TX
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
New Waverly, TX

Average wind speed in September - New Waverly, TX
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).

Average humidity in September
New Waverly, TX

Average humidity in September - New Waverly, TX
  • Average humidity in September: 74%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
New Waverly, TX

Average rainfall in September - New Waverly, TX
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is March (0.98").

Average rainfall days in September
New Waverly, TX

Average rainfall days in September - New Waverly, TX
  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is September (17.1 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September
New Waverly, TX

Average snowfall in September - New Waverly, TX
  • Average snowfall in September: 0"

The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
New Waverly, TX

Average snowfall days in September - New Waverly, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
New Waverly, TX

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

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 3min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in September
New Waverly, TX

Average sunshine days in September - New Waverly, TX
  • Average sunshine days in September: 10 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is September (10 days).

Average UV index in September
New Waverly, TX

Average UV index in September - New Waverly, TX
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
New Waverly, TX

Average cloud cover in September - New Waverly, TX
  • Average cloud cover in September: 36

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
New Waverly, TX

Average visibility in September - New Waverly, TX
  • Average visibility in September: 5mi

The months with the highest visibility are January, August, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July and September (5mi).

New Waverly, Texas, USA

Weather forecast for your location

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