September weather forecast
Seadrift, TX

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Weather in September

The first month of the autumn, September, is still a tropical month in Seadrift, Texas, with an average temperature varying between 77.4°F (25.2°C) and 86°F (30°C).

Temperature

The transition into September marks the average high-temperature at a still hot 86°F (30°C), differing minimally from August's 89.6°F (32°C). September in Seadrift is characterized by a steady nighttime low-temperature of 77.4°F (25.2°C).

Heat index

The average heat index in September is estimated at a fiery hot 96.8°F (36°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
In reference to the heat index, it's for places in shade and with a slight 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', reflects the blend of air temperature and relative humidity to give a temperature impression. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating 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 75%.

Rainfall

The month with the most rainfall in Seadrift is September, when the rain falls for 17.1 days and typically aggregates up to 1.93" (49mm) of precipitation.

Snowfall

In Seadrift, Texas, snow does not fall in January, March through December.

Daylight

The average length of the day in September in Seadrift is 12h and 19min.
On the first day of the month, sunrise is at 7:05 am and sunset at 7:47 pm. On the last day of September, in Seadrift, sunrise is at 7:19 am and sunset at 7:13 pm CDT.

Sunshine

In September, the average sunshine in Seadrift 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 health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Seadrift?

An average high-temperature, in September, in Seadrift, is 86°F (30°C) and the average low-temperature is 77.4°F (25.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is estimated at 96.8°F (36°C).

What is the average humidity in September in Seadrift?

In Seadrift, the average relative humidity in September is 75%.

What is the wettest month in Seadrift?

September is the month with the most rainfall in Seadrift. Rain falls for 17.1 days and accumulates 1.93" (49mm) of precipitation.

How many days does it rain in September in Seadrift?

In September, the rain falls for 17.1 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow in Seadrift?

In Seadrift, Texas, snow does not fall in January, March through December.

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

The average day length in September in Seadrift, Texas, is 12h and 19min.

When are sunrise and sunset in September in Seadrift?

On the first day of September in Seadrift, sunrise is at 7:05 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:13 pm CDT.

How many hours of sunshine does Seadrift have in September?

The average sunshine duration in September in Seadrift, Texas, is 8.7h.

What is the UV index reading in September in Seadrift?

In Seadrift, Texas, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
Seadrift, TX

Average temperature in September - Seadrift, TX
  • Average high temperature in September: 86°F

The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is January (62.2°F).

  • Average low temperature in September: 77.4°F

The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (51.3°F).

Average pressure in September
Seadrift, TX

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Seadrift, TX

Average wind speed in September - Seadrift, TX
  • Average wind speed in September: 9.1mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is September (9.1mph).

Average humidity in September
Seadrift, TX

Average humidity in September - Seadrift, TX
  • Average humidity in September: 75%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Seadrift, TX

Average rainfall in September - Seadrift, TX
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is September (1.93").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in September
Seadrift, TX

Average rainfall days in September - Seadrift, 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 February (8.7 days).

Average snowfall in September
Seadrift, TX

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

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Seadrift, TX

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

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in September
Seadrift, TX

Average sunshine days in September - Seadrift, TX
  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is March (20.3 days).
The month with the least sunshine days is September (10.5 days).

Average UV index in September
Seadrift, TX

Average UV index in September - Seadrift, TX
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in September
Seadrift, TX

Average cloud cover in September - Seadrift, TX
  • Average cloud cover in September: 30

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Seadrift, TX

Average visibility in September - Seadrift, 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).

Seadrift, Texas, USA

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