September weather forecast
North Alamo, TX

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Weather in September

The first month of the autumn, September, is still a tropical month in North Alamo, Texas, with an average temperature ranging between max 92.5°F (33.6°C) and min 77.2°F (25.1°C).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a torrid 98.2°F (36.8°C) to a tropical 92.5°F (33.6°C). In the month of September, North Alamo experiences an average low-temperature of 77.2°F (25.1°C).

Heat index

The heat index for September is appraised at an extremely hot 109.4°F (43°C). Notice: Heat cramps and heat exhaustion are likely. Continued strenuous activity might lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In North Alamo, the average relative humidity in September is 65%.

Rainfall

September is the month with the most rainfall. Rain falls for 15.1 days and accumulates 1.46" (37mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In North Alamo, the average length of the day in September is 12h and 18min.
On the first day of the month, sunrise is at 7:12 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:19 pm CDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In North Alamo, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

In September, in North Alamo, the average high-temperature is 92.5°F (33.6°C), and the average low-temperature is 77.2°F (25.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 109.4°F (43°C).

What is the average humidity in September?

In September, the average relative humidity is 65%.

What is the rainiest month?

The month with the most rainfall is September, when the rain falls for 15.1 days and typically aggregates up to 1.46" (37mm) of precipitation.

How much does it rain in September?

In North Alamo, during September, the rain falls for 15.1 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow?

In North Alamo, snow does not fall in February through December.

How many hours of daylight does North Alamo have in September?

The average day length in September is 12h and 18min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:12 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:19 pm CDT.

How long on average sun shines in September?

In North Alamo, the average sunshine duration in September is 8.6h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 7. 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
North Alamo, TX

Average temperature in September - North Alamo, TX
  • Average high temperature in September: 92.5°F

The warmest month (with the highest average high temperature) is August (98.2°F).
The month with the lowest average high temperature is January (69.6°F).

  • Average low temperature in September: 77.2°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (53.4°F).

Average pressure in September
North Alamo, TX

Average pressure in September - North Alamo, TX
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).

Average wind speed in September
North Alamo, TX

Average wind speed in September - North Alamo, TX
  • Average wind speed in September: 8.9mph

The windiest month (with the highest average wind speed) is May (12.4mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).

Average humidity in September
North Alamo, TX

Average humidity in September - North Alamo, TX
  • Average humidity in September: 65%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (59%).

Average rainfall in September
North Alamo, TX

Average rainfall in September - North Alamo, TX
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is September (1.46").
The driest months (with the least rainfall) are January and February (0.31").

Average rainfall days in September
North Alamo, TX

Average rainfall days in September - North Alamo, TX
  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is September (15.1 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in September
North Alamo, TX

Average snowfall in September - North Alamo, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
North Alamo, TX

Average snowfall days in September - North Alamo, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
North Alamo, TX

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

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
North Alamo, TX

Average sunshine days in September - North Alamo, TX
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is July (23 days).
The month with the least sunshine days is September (12.5 days).

Average UV index in September
North Alamo, TX

Average UV index in September - North Alamo, TX
  • Average UV index in September: 7

The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in September
North Alamo, TX

Average cloud cover in September - North Alamo, TX
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in September
North Alamo, TX

Average visibility in September - North Alamo, 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).

North Alamo, Texas, USA

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