September weather forecast
Bob, LA

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Weather in September

The first month of the autumn, September, is still a tropical month in Bob, Louisiana, with an average temperature ranging between min 68°F (20°C) and max 87.8°F (31°C).

Temperature

As Bob welcomes September, the average high-temperature is noted at a still tropical 87.8°F (31°C), closely aligning with the preceding month. Throughout the month of September, the nighttime temperature dips to an average of 68°F (20°C).

Heat index

The heat index for September is computed to be a blistering 104°F (40°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. 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 hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Bob, during September, the rain falls for 14.9 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Bob, there are 152.3 rainfall days, and 23.66" (601mm) of precipitation is accumulated.

Snowfall

In Bob, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 21min.
On the first day of September, sunrise is at 6:45 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:54 pm CDT.

Sunshine

In Bob, the average sunshine in September is 9.4h.

UV index

In Bob, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

How hot does it get in Bob in September?

The high-temperature, in September, in Bob, records 87.8°F (31°C), while the low-temperature is 68°F (20°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 104°F (40°C).

What is the average humidity in September in Bob?

The average relative humidity in September in Bob is 76%.

How many days does it rain in September in Bob?

In September, the rain falls for 14.9 days. Throughout September, 2.01" (51mm) of precipitation is accumulated.

When it does not snow in Bob?

April through November are months without snowfall in Bob.

How many hours of daylight does Bob have in September?

The average day length in September in Bob, Louisiana, is 12h and 21min.

What time are sunrise and sunset in September in Bob?

On the first day of September, sunrise is at 6:45 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:54 pm CDT.

How long on average sun shines in September in Bob?

The average sunshine duration in September in Bob is 9.4h.

What is the UV index reading in September in Bob?

In September, the average daily maximum UV index in Bob is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Bob, LA

Average temperature in September - Bob, LA
  • Average high temperature in September: 87.8°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in September: 68°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).

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Average pressure in September
Bob, LA

Average pressure in September - Bob, LA
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).

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Average wind speed in September
Bob, LA

Average wind speed in September - Bob, LA
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

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Average humidity in September
Bob, LA

Average humidity in September - Bob, LA
  • Average humidity in September: 76%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Bob, LA

Average rainfall in September - Bob, LA
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is November (1.22").

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Average rainfall days in September
Bob, LA

Average rainfall days in September - Bob, LA
  • Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in September
Bob, LA

Average snowfall in September - Bob, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Bob, LA

Average snowfall days in September - Bob, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.7 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
Bob, LA

Average daylight in September / Average sunshine in September - Bob, LA
  • Average daylight in September: 12h and 2min

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

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in September
Bob, LA

Average sunshine days in September - Bob, LA
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is August (10.1 days).

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Average UV index in September
Bob, LA

Average UV index in September - Bob, LA
  • 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 and December (UV index 3).

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Average cloud cover in September
Bob, LA

Average cloud cover in September - Bob, LA
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in September
Bob, LA

Average visibility in September - Bob, LA
  • Average visibility in September: 5mi

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

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Bob, Louisiana, USA

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