September weather forecast
Tennyson, TX

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Weather in September

September, the first month of the autumn in Tennyson, is also a hot month, with an average temperature varying between 68.7°F (20.4°C) and 87.1°F (30.6°C).

Temperature

Tennyson observes a small decrease in the average high-temperature with the arrival of September, falling from August's sweltering 95.5°F (35.3°C) to a hot 87.1°F (30.6°C). Tennyson, during the nights of September, experiences an average temperature drop to a pleasant 68.7°F (20.4°C).

Heat index

The heat index value during September is computed to be a hot 91.4°F (33°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Realize that the values for the heat index are set for shaded places and light winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

September and November, with an average relative humidity of 57%, are the most humid months in Tennyson.

Rainfall

In Tennyson, during September, the rain falls for 11.3 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, in Tennyson, there are 89.1 rainfall days, and 15.59" (396mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Tennyson.

Daylight

In Tennyson, Texas, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 7:17 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:26 pm CDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In Tennyson, 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 UV radiation for the average person.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

How hot does it get in Tennyson in September?

Tennyson in September has an average high-temperature of 87.1°F (30.6°C) and an average low-temperature of 68.7°F (20.4°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 91.4°F (33°C).

What is the most humid month in Tennyson?

September and November, with an average relative humidity of 57%, are most humid months in Tennyson, Texas.

What is the average humidity in September in Tennyson?

In September, the average relative humidity is 57%.

How much does it rain in Tennyson in September?

In Tennyson, during September, the rain falls for 11.3 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Tennyson?

In Tennyson, snow does not fall in April through October.

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

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

When are sunrise and sunset in September in Tennyson?

In September, on the first day of the month, sunrise is at 7:17 am and sunset at 8:04 pm. On the last day of the month, in Tennyson, sunrise is at 7:34 am and sunset at 7:26 pm CDT.

How many hours of sunshine does Tennyson have in September?

In Tennyson, the average sunshine duration in September is 8.8h.

How high is the UV index in September in Tennyson?

In September, the average daily maximum UV index in Tennyson 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
Tennyson, TX

Average temperature in September - Tennyson, TX
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The months with the lowest average high temperature are January and December (57.4°F).

  • Average low temperature in September: 68.7°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 (38.1°F).

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Average pressure in September
Tennyson, TX

Average pressure in September - Tennyson, 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 (29.86"Hg).

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Average wind speed in September
Tennyson, TX

Average wind speed in September - Tennyson, TX
  • Average wind speed in September: 9.7mph

The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is September (9.7mph).

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Average humidity in September
Tennyson, TX

Average humidity in September - Tennyson, TX
  • Average humidity in September: 57%

The months with the highest relative humidity are September and November (57%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in September
Tennyson, TX

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

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in September
Tennyson, TX

Average rainfall days in September - Tennyson, TX
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in September
Tennyson, TX

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

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Tennyson, TX

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

The month with the highest number of snowfall days is February (1.5 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
Tennyson, TX

Average daylight in September / Average sunshine in September - Tennyson, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in September
Tennyson, TX

Average sunshine days in September - Tennyson, TX
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is September (16.1 days).

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Average UV index in September
Tennyson, TX

Average UV index in September - Tennyson, 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
Tennyson, TX

Average cloud cover in September - Tennyson, TX
  • Average cloud cover in September: 26

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in September
Tennyson, TX

Average visibility in September - Tennyson, 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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Tennyson, Texas, USA

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