September weather forecast
Rosston, TX

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Weather in September

September, the first month of the autumn in Rosston, is also a moderately hot month, with temperature in the range of an average high of 85.8°F (29.9°C) and an average low of 67.8°F (19.9°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a hot 94.6°F (34.8°C) in August to a warm 85.8°F (29.9°C). An average minimum temperature of 67.8°F (19.9°C) marks the month of September in Rosston.

Heat index

During September, the heat index is estimated at a hot 93.2°F (34°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The average relative humidity in September in Rosston is 65%.

Rainfall

In Rosston, in September, during 12.5 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 128.7 rainfall days, and 26.1" (663mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Rosston, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 7:04 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:15 pm CDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

How hot is September in Rosston?

During September, Rosston experiences an average high-temperature of 85.8°F (29.9°C) and a low-temperature of 67.8°F (19.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 93.2°F (34°C).

What is the average humidity in September in Rosston?

In September, the average relative humidity in Rosston, Texas, is 65%.

How much does it rain in Rosston in September?

In Rosston, Texas, in September, it is raining for 12.5 days, with typically 2.83" (72mm) of accumulated precipitation.

When it does not snow in Rosston?

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

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

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

When is the sunrise / sunset in September in Rosston?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 7:54 pm. On the last day of the month, in Rosston, Texas, sunrise is at 7:23 am and sunset at 7:15 pm CDT.

How many hours of sunshine does Rosston have in September?

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

What is the UV index intensity in September in Rosston?

In Rosston, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to 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
Rosston, TX

Average temperature in September - Rosston, TX
  • Average high temperature in September: 85.8°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 (52.3°F).

  • Average low temperature in September: 67.8°F

The months with the highest average low temperature are July and August (73.9°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

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Average pressure in September
Rosston, TX

Average pressure in September - Rosston, TX
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Rosston, TX

Average wind speed in September - Rosston, TX
  • Average wind speed in September: 7.2mph

The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).

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Average humidity in September
Rosston, TX

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

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in September
Rosston, TX

Average rainfall in September - Rosston, TX
  • Average rainfall in September: 2.83"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (1.06").

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Average rainfall days in September
Rosston, TX

Average rainfall days in September - Rosston, TX
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (6.2 days).

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Average snowfall in September
Rosston, TX

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

The month with the highest snowfall is February (1.22").
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
Rosston, TX

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

The month with the highest number of snowfall days is February (1.9 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
Rosston, TX

Average daylight in September / Average sunshine in September - Rosston, 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 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in September
Rosston, TX

Average sunshine days in September - Rosston, TX
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is May (14.3 days).

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Average UV index in September
Rosston, TX

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

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Rosston, TX

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

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in September
Rosston, TX

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

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