September weather forecast
Melvin, TX

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Weather in September

The first month of the autumn, September, is still a tropical month in Melvin, Texas, with an average temperature varying between 87.3°F (30.7°C) and 68.7°F (20.4°C).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's very hot 95.4°F (35.2°C) to a tropical 87.3°F (30.7°C). Nighttime temperature experiences an average drop to a pleasant 68.7°F (20.4°C) in September.

Heat index

In September, the heat index is estimated at a hot 93.2°F (34°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. 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', comes about by integrating the temperature readings with the humidity levels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In Melvin, Texas, the average relative humidity in September is 61%.

Rainfall

In Melvin, Texas, during September, the rain falls for 13.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 109.4 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

Snowfall

In Melvin, Texas, snow does not fall in March through November.

Daylight

In Melvin, Texas, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 7:14 am and sunset at 8:01 pm. On the last day of September, in Melvin, sunrise is at 7:31 am and sunset at 7:24 pm CDT.

Sunshine

In Melvin, Texas, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Melvin in September?

In September, in Melvin, the average high-temperature is 87.3°F (30.7°C), and the average low-temperature is 68.7°F (20.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is estimated at 93.2°F (34°C).

What is the average humidity in September in Melvin?

In Melvin, Texas, the average relative humidity in September is 61%.

How much does it rain in Melvin in September?

In Melvin, in September, during 13.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow in Melvin?

In Melvin, snow does not fall in March through November.

What is the average length of the day in September in Melvin?

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

When are sunrise and sunset in September in Melvin?

In September, on the first day of the month, sunrise is at 7:14 am and sunset at 8:01 pm. On the last day of the month, in Melvin, Texas, sunrise is at 7:31 am and sunset at 7:24 pm CDT.

How long on average sun shines in September in Melvin?

In September, the average sunshine duration is 8.7h.

What is the UV index intensity in September in Melvin?

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to 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
Melvin, TX

Average temperature in September - Melvin, TX
  • Average high temperature in September: 87.3°F

The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is December (58.8°F).

  • Average low temperature in September: 68.7°F

The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

Average pressure in September
Melvin, TX

Average pressure in September - Melvin, 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 (29.88"Hg).

Average wind speed in September
Melvin, TX

Average wind speed in September - Melvin, TX
  • Average wind speed in September: 8.4mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.4mph).

Average humidity in September
Melvin, TX

Average humidity in September - Melvin, TX
  • Average humidity in September: 61%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is August (51%).

Average rainfall in September
Melvin, TX

Average rainfall in September - Melvin, TX
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (0.75").

Average rainfall days in September
Melvin, TX

Average rainfall days in September - Melvin, TX
  • Average rainfall days in September: 13.5 days

The months with the highest number of rainy days are May and September (13.5 days).
The month with the least rainy days is January (5.2 days).

Average snowfall in September
Melvin, TX

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

The month with the highest snowfall is February (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Melvin, TX

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

The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Melvin, TX

Average daylight in September / Average sunshine in September - Melvin, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in September
Melvin, TX

Average sunshine days in September - Melvin, TX
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is September (14.5 days).

Average UV index in September
Melvin, TX

Average UV index in September - Melvin, 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
Melvin, TX

Average cloud cover in September - Melvin, TX
  • Average cloud cover in September: 28

The months with the most cloud cover are March and May (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Melvin, TX

Average visibility in September - Melvin, 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).

Melvin, Texas, USA

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