September weather forecast
Gustine, TX

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Weather in September

September, the first month of the autumn in Gustine, is also a hot month, with an average temperature fluctuating between 68.7°F (20.4°C) and 86.9°F (30.5°C).

Temperature

In Gustine, entering September brings a subtle temperature decrement, reducing from August's torrid 95.2°F (35.1°C) to a hot 86.9°F (30.5°C). During the nights in September, the temperature averages to a pleasant 68.7°F (20.4°C).

Heat index

September's mean heat index is computed to be a hot 93.2°F (34°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In Gustine, the average relative humidity in September is 62%.

Rainfall

In September, in Gustine, the rain falls for 12.6 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. In Gustine, during the entire year, the rain falls for 115 days and collects up to 19.49" (495mm) of precipitation.

Snowfall

In Gustine, snow does not fall in April through November.

Daylight

In Gustine, Texas, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 7:09 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:19 pm CDT.

Sunshine

The average sunshine in September in Gustine is 8.6h.

UV index

In Gustine, Texas, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

How hot is September in Gustine?

September temperatures in Gustine vary between a high-temperature of 86.9°F (30.5°C) and a low-temperature of 68.7°F (20.4°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 93.2°F (34°C).

What is the average humidity in September in Gustine?

The average relative humidity in September in Gustine, Texas, is 62%.

How much does it rain in Gustine in September?

In September, the rain falls for 12.6 days. Throughout September, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in Gustine?

April through November are months without snowfall in Gustine, Texas.

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

In September, the average day length in Gustine is 12h and 21min.

When are sunrise and sunset in September in Gustine?

On the first day of September in Gustine, sunrise is at 7:09 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:19 pm CDT.

How many hours of sunshine does Gustine have in September?

In Gustine, Texas, the average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Gustine?

In Gustine, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes 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
Gustine, TX

Average temperature in September - Gustine, TX
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is August (95.2°F).
The months with the lowest average high temperature are January and December (56.8°F).

  • Average low temperature in September: 68.7°F

The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

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Average pressure in September
Gustine, TX

Average pressure in September - Gustine, 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 (29.89"Hg).

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Average wind speed in September
Gustine, TX

Average wind speed in September - Gustine, TX
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is September (8.1mph).

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Average humidity in September
Gustine, TX

Average humidity in September - Gustine, TX
  • Average humidity in September: 62%

The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is August (53%).

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Average rainfall in September
Gustine, TX

Average rainfall in September - Gustine, TX
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is October (2.48").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in September
Gustine, TX

Average rainfall days in September - Gustine, TX
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in September
Gustine, TX

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

The months with the highest snowfall are February and December (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Gustine, TX

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

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • 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: 5h and 54min).

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Average sunshine days in September
Gustine, TX

Average sunshine days in September - Gustine, TX
  • Average sunshine days in September: 15 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (14.9 days).

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Average UV index in September
Gustine, TX

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

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Gustine, TX

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

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in September
Gustine, TX

Average visibility in September - Gustine, 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).

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Gustine, Texas, USA

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