September weather forecast
Ferris, TX

Weather in September

September, the first month of the autumn, in Ferris, is still a hot month, with average temperature ranging between max 87.8°F (31°C) and min 69.8°F (21°C).

Temperature

In Ferris, the average high-temperature in September marginally drops, from a torrid 95.5°F (35.3°C) in August, to a tropical 87.8°F (31°C). In Ferris, the average low-temperature is 69.8°F (21°C).

Heat index

The average heat index is estimated at a torrid 97.2°F (36.2°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, metabolic differences, pregnancy, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in September is 65%.

Rainfall

In Ferris, it is raining for 11.5 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 101.5 rainfall days, and 11.3" (287mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Ferris.

Daylight

The average length of the day in Ferris is 12.4h.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Ferris?

In September, the average high-temperature is 87.8°F (31°C), and the average low-temperature is 69.8°F (21°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 97.2°F (36.2°C).

What is the average humidity in September in Ferris?

The average relative humidity in September is 65%.

How much does it rain in Ferris in September?

In September, the rain falls for 11.5 days. Throughout September, 0.91" (23mm) of precipitation is accumulated.

When it does not snow in Ferris?

January, March through December are months without snowfall in Ferris.

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

In September, the average length of the day in Ferris is 12.4h.

How many hours of sunshine does Ferris have in September?

In September, the average sunshine in Ferris, Texas, is 8.4h.

What is the UV index intensity in September in Ferris?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Ferris, TX

Average temperature in September - Ferris, TX
  • Average high temperature in September: 87.8°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 (55°F).

  • Average low temperature in September: 69.8°F

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (39°F).

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Average pressure in September
Ferris, TX

Average pressure in September - Ferris, TX
  • Average pressure in September: 29.97"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in September
Ferris, TX

Average wind speed in September - Ferris, TX
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).

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Average humidity in September
Ferris, TX

Average humidity in September - Ferris, TX
  • Average humidity in September: 65%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in September
Ferris, TX

Average rainfall in September - Ferris, TX
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in September
Ferris, TX

Average rainfall days in September - Ferris, TX
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is January (5.1 days).

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Average snowfall in September
Ferris, TX

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

The month with the highest snowfall is February (0.08").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Ferris, TX

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

The month with the highest number of snowfall days is February (0.8 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Ferris, TX
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 8.4h

The month with the most sunshine is August (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 5.4h).

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Average sunshine days in September
Ferris, TX

Average sunshine days in September - Ferris, TX
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is September (15.5 days).

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Average UV index in September
Ferris, TX

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

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

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Average cloud cover in September
Ferris, TX

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

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in September
Ferris, TX

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

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

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