September weather forecast
Ottine, TX

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Weather in September

September, the first month of the autumn in Ottine, is also a hot month, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 71.1°F (21.7°C).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a very hot 96.8°F (36°C) to a tropical 89.2°F (31.8°C). Ottine anticipates an average minimum temperature of 71.1°F (21.7°C) in the month of September.

Heat index

In September, the average heat index is evaluated at an extremely hot 104°F (40°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In Ottine, the average relative humidity in September is 70%.

Rainfall

In Ottine, in September, it is raining for 15.5 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Ottine, there are 133.4 rainfall days, and 15.12" (384mm) of precipitation is accumulated.

Snowfall

March through November are months without snowfall.

Daylight

In Ottine, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 7:08 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:16 pm CDT.

Sunshine

In Ottine, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Ottine is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during September leads to these advisories:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Ottine in September?

In Ottine, in September, the average high-temperature is 89.2°F (31.8°C), and the average low-temperature is 71.1°F (21.7°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is evaluated at 104°F (40°C).

What is the average humidity in September in Ottine?

In September, the average relative humidity is 70%.

How many days does it rain in September in Ottine?

In Ottine, during September, the rain falls for 15.5 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Ottine?

March through November are months without snowfall in Ottine, Texas.

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

The average day length in September in Ottine is 12h and 20min.

When is the sunrise / sunset in September in Ottine?

On the first day of September in Ottine, sunrise is at 7:08 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:16 pm CDT.

How long on average sun shines in September in Ottine?

The average sunshine duration in September is 8.5h.

What is the UV index intensity in September in Ottine?

The average daily maximum UV index in September in Ottine, Texas, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Ottine, TX

Average temperature in September - Ottine, TX
  • Average high temperature in September: 89.2°F

The warmest month (with the highest average high temperature) is August (96.8°F).
The month with the lowest average high temperature is January (60.8°F).

  • Average low temperature in September: 71.1°F

The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).

Average pressure in September
Ottine, TX

Average pressure in September - Ottine, TX
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.91"Hg).

Average wind speed in September
Ottine, TX

Average wind speed in September - Ottine, TX
  • Average wind speed in September: 5.9mph

The windiest months (with the highest average wind speed) are February and March (8.5mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).

Average humidity in September
Ottine, TX

Average humidity in September - Ottine, TX
  • Average humidity in September: 70%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (63%).

Average rainfall in September
Ottine, TX

Average rainfall in September - Ottine, TX
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in September
Ottine, TX

Average rainfall days in September - Ottine, TX
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is September (15.5 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in September
Ottine, TX

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

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

Average snowfall days in September
Ottine, TX

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

The months with the highest number of snowfall days are January, February and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

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

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

  • Average sunshine in September: 8h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Ottine, TX

Average sunshine days in September - Ottine, TX
  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in September
Ottine, TX

Average UV index in September - Ottine, 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 3).

Average cloud cover in September
Ottine, TX

Average cloud cover in September - Ottine, TX
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in September
Ottine, TX

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

The months with the highest visibility are January, February, March, July, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May and June (5mi).

Ottine, Texas, USA

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