September weather forecast
Fulshear, TX

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Weather in September

September, the first month of the autumn in Fulshear, is still a tropical month, with temperature in the range of an average low of 71.8°F (22.1°C) and an average high of 88.7°F (31.5°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from 94.6°F (34.8°C) in August to a still hot 88.7°F (31.5°C). Fulshear experiences an average temperature drop to an agreeable 71.8°F (22.1°C) during September nights.

Heat index

The heat index for September is computed to be a blisteringly hot 105.8°F (41°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. 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 essentially critical for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

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

Rainfall

In Fulshear, during September, the rain falls for 18.8 days and regularly aggregates up to 3.66" (93mm) of precipitation. Throughout the year, there are 169 rainfall days, and 30.12" (765mm) of precipitation is accumulated.

Snowfall

In Fulshear, snow does not fall in February through November.

Daylight

In Fulshear, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 7:01 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:09 pm CDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

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 UV radiation for average individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

How hot is September in Fulshear?

The average high-temperature, in September, in Fulshear, is 88.7°F (31.5°C), while the average low-temperature is 71.8°F (22.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 105.8°F (41°C).

What is the average humidity in September in Fulshear?

In September, the average relative humidity is 75%.

How much does it rain in Fulshear in September?

In Fulshear, Texas, in September, it is raining for 18.8 days, with typically 3.66" (93mm) of accumulated precipitation.

When it does not snow in Fulshear?

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

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

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

When are sunrise and sunset in September in Fulshear?

On the first day of September, sunrise is at 7:01 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:09 pm CDT.

How many hours of sunshine does Fulshear have in September?

The average sunshine duration in September in Fulshear, Texas, is 8.5h.

How high is the UV index in September in Fulshear?

The average daily maximum UV index in September in Fulshear is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Fulshear, TX

Average temperature in September - Fulshear, TX
  • Average high temperature in September: 88.7°F

The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (61°F).

  • Average low temperature in September: 71.8°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (45°F).

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Average pressure in September
Fulshear, TX

Average pressure in September - Fulshear, 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).

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Average wind speed in September
Fulshear, TX

Average wind speed in September - Fulshear, TX
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).

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Average humidity in September
Fulshear, TX

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

The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are August and October (71%).

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Average rainfall in September
Fulshear, TX

Average rainfall in September - Fulshear, TX
  • Average rainfall in September: 3.66"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in September
Fulshear, TX

Average rainfall days in September - Fulshear, TX
  • Average rainfall days in September: 18.8 days

The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is January (10.5 days).

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Average snowfall in September
Fulshear, TX

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

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

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Average snowfall days in September
Fulshear, TX

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Fulshear, 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: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in September
Fulshear, TX

Average sunshine days in September - Fulshear, TX
  • Average sunshine days in September: 8.9 days

The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is September (8.9 days).

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Average UV index in September
Fulshear, TX

Average UV index in September - Fulshear, 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).

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Average cloud cover in September
Fulshear, TX

Average cloud cover in September - Fulshear, TX
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Fulshear, TX

Average visibility in September - Fulshear, TX
  • Average visibility in September: 6mi

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

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Fulshear, Texas, USA

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