September weather forecast
Todd Mission, TX

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Weather in September

September, the first month of the autumn in Todd Mission, is still a tropical month, with an average temperature ranging between min 70.7°F (21.5°C) and max 88.7°F (31.5°C).

Temperature

With the arrival of September, Todd Mission experiences a modest decline in average high-temperatures, transitioning from a hot 94.6°F (34.8°C) in August to a still tropical 88.7°F (31.5°C). An average low-temperature of 70.7°F (21.5°C) is expected during September.

Heat index

For September, the heat index is calculated to be a scorching 105.8°F (41°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Todd Mission, the average relative humidity in September is 75%.

Rainfall

In Todd Mission, in September, it is raining for 16.6 days, with typically 1.5" (38mm) of accumulated precipitation. In Todd Mission, during the entire year, the rain falls for 133.7 days and collects up to 14.69" (373mm) of precipitation.

Snowfall

In Todd Mission, Texas, snow does not fall in February through November.

Daylight

In Todd Mission, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 7:00 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:09 pm CDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Deflect overexposure. Sun protection is a necessity. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

In September, in Todd Mission, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 70.7°F (21.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 105.8°F (41°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How many days does it rain in September?

In September, the rain falls for 16.6 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Todd Mission?

In Todd Mission, snow does not fall in February through November.

What is the average length of the day in September?

In Todd Mission, the average day length in September is 12h and 20min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:00 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:09 pm CDT.

How long on average sun shines in September?

In Todd Mission, the average sunshine duration in September is 8.5h.

How high is the UV index in September?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
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
Todd Mission, TX

Average temperature in September - Todd Mission, TX
  • Average high temperature in September: 88.7°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 (59.7°F).

  • Average low temperature in September: 70.7°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

Average pressure in September
Todd Mission, TX

Average pressure in September - Todd Mission, TX
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Todd Mission, TX

Average wind speed in September - Todd Mission, TX
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is September (5.5mph).

Average humidity in September
Todd Mission, TX

Average humidity in September - Todd Mission, TX
  • Average humidity in September: 75%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September
Todd Mission, TX

Average rainfall in September - Todd Mission, TX
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is April (0.75").

Average rainfall days in September
Todd Mission, TX

Average rainfall days in September - Todd Mission, TX
  • Average rainfall days in September: 16.6 days

The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in September
Todd Mission, TX

Average snowfall in September - Todd Mission, TX
  • Average snowfall in September: 0"

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

Average snowfall days in September
Todd Mission, TX

Average snowfall days in September - Todd Mission, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.4 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
Todd Mission, TX

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

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in September
Todd Mission, TX

Average sunshine days in September - Todd Mission, TX
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is September (11.7 days).

Average UV index in September
Todd Mission, TX

Average UV index in September - Todd Mission, 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).

Average cloud cover in September
Todd Mission, TX

Average cloud cover in September - Todd Mission, TX
  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Todd Mission, TX

Average visibility in September - Todd Mission, TX
  • Average visibility in September: 6mi

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

Todd Mission, Texas, USA

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