September weather forecast
Cumby, TX

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Weather in September

September, the first month of the autumn in Cumby, is also a hot month, with an average temperature varying between 86.7°F (30.4°C) and 68°F (20°C).

Temperature

Cumby in September experiences a gentle temperature dip, with average high-temperatures reducing from a hot 94.1°F (34.5°C) in August to a still tropical 86.7°F (30.4°C). The low-temperature average for Cumby during September stands at a pleasant 68°F (20°C).

Heat index

The heat index in September is evaluated at a torrid 96.8°F (36°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in September in Cumby is 68%.

Rainfall

In September, the rain falls for 13.5 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. In Cumby, during the entire year, the rain falls for 143.9 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

In Cumby, snow does not fall in April through October and December.

Daylight

In September, the average length of the day in Cumby is 12h and 22min.
On the first day of September in Cumby, sunrise is at 6:58 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:08 pm CDT.

Sunshine

In September, the average sunshine in Cumby, Texas, is 8.8h.

UV index

In September, the average daily maximum UV index in Cumby, Texas, is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

Is it hot in Cumby during September?

In Cumby, in September, the average high-temperature is 86.7°F (30.4°C), and the average low-temperature is 68°F (20°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 96.8°F (36°C).

What is the average humidity in September in Cumby?

In Cumby, Texas, the average relative humidity in September is 68%.

How much does it rain in Cumby in September?

In Cumby, Texas, during September, the rain falls for 13.5 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow in Cumby?

In Cumby, snow does not fall in April through October and December.

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

The average day length in September in Cumby, Texas, is 12h and 22min.

When are sunrise and sunset in September in Cumby?

On the first day of September in Cumby, Texas, sunrise is at 6:58 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:08 pm CDT.

How long on average sun shines in September in Cumby?

The average sunshine duration in September is 8.8h.

How high is the UV index in September in Cumby?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Cumby, TX

Average temperature in September - Cumby, TX
  • Average high temperature in September: 86.7°F

The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (53.1°F).

  • Average low temperature in September: 68°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (37°F).

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Average pressure in September
Cumby, TX

Average pressure in September - Cumby, TX
  • Average pressure in September: 29.98"Hg

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

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Average wind speed in September
Cumby, TX

Average wind speed in September - Cumby, TX
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is September (6.4mph).

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Average humidity in September
Cumby, TX

Average humidity in September - Cumby, TX
  • Average humidity in September: 68%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in September
Cumby, TX

Average rainfall in September - Cumby, TX
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is October (3.86").
The driest month (with the least rainfall) is January (1.69").

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Average rainfall days in September
Cumby, TX

Average rainfall days in September - Cumby, TX
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in September
Cumby, TX

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

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

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Average snowfall days in September
Cumby, TX

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

The month with the highest number of snowfall days is February (1.3 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
Cumby, TX

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in September
Cumby, TX

Average sunshine days in September - Cumby, TX
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is January (20.8 days).
The months with the least sunshine days are April and May (14.2 days).

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Average UV index in September
Cumby, TX

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Cumby, TX

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

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in September
Cumby, TX

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

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