September weather forecast
Fosters Canal, LA

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Weather in September

September, the first month of the autumn in Fosters Canal, is still a warm month, with an average temperature varying between 85.1°F (29.5°C) and 77.7°F (25.4°C).

Temperature

Transitioning into September, Fosters Canal experiences an average high-temperature of a moderately hot 85.1°F (29.5°C), marking a minor shift from the preceding month. In Fosters Canal, the average low-temperature during September nights tends to settle at a still warm 77.7°F (25.4°C), indicating a slight drop from the daytime peak.

Heat index

For September, the heat index is calculated to be a fiery hot 95°F (35°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Consider that heat index readings are for situations in the shade and light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in September is 74%.

Rainfall

In Fosters Canal, during September, the rain falls for 14.7 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 137.2 rainfall days, and 19.92" (506mm) of precipitation is accumulated.

Snowfall

In Fosters Canal, snow does not fall in February through December.

Daylight

In Fosters Canal, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:45 pm CDT.

Sunshine

In Fosters Canal, the average sunshine in September is 10.2h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

Is it hot during September?

The high-temperature, in September, in Fosters Canal, is 85.1°F (29.5°C), while the low-temperature averages to 77.7°F (25.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 95°F (35°C).

What is the average humidity in September in Fosters Canal?

In September, the average relative humidity is 74%.

How many days does it rain in September?

In Fosters Canal, in September, during 14.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow?

In Fosters Canal, snow does not fall in February through December.

How many hours of daylight does Fosters Canal have in September?

In Fosters Canal, the average day length in September is 12h and 20min.

When is the sunrise / sunset in September in Fosters Canal?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:45 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 10.2h.

What is the month with the highest UV index in Fosters Canal?

The months with the highest UV index in Fosters Canal are May through September, with an average maximum UV index of 7.

How high is the UV index in September?

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Fosters Canal, LA

Average temperature in September - Fosters Canal, LA
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (61.2°F).

  • Average low temperature in September: 77.7°F

The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).

Average pressure in September
Fosters Canal, LA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).

Average wind speed in September
Fosters Canal, LA

Average wind speed in September - Fosters Canal, LA
  • Average wind speed in September: 8.2mph

The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in September
Fosters Canal, LA

Average humidity in September - Fosters Canal, LA
  • Average humidity in September: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Fosters Canal, LA

Average rainfall in September - Fosters Canal, LA
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is April (0.79").

Average rainfall days in September
Fosters Canal, LA

Average rainfall days in September - Fosters Canal, LA
  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (7 days).

Average snowfall days in September
Fosters Canal, LA

Average snowfall days in September - Fosters Canal, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.2 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
Fosters Canal, LA

Average daylight in September / Average sunshine in September - Fosters Canal, LA
  • 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: 10h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in September
Fosters Canal, LA

Average sunshine days in September - Fosters Canal, LA
  • Average sunshine days in September: 11 days

The months with the most sunshine days are April and November (20.9 days).
The month with the least sunshine days is August (7.3 days).

Average UV index in September
Fosters Canal, LA

Average UV index in September - Fosters Canal, LA
  • Average UV index in September: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in September
Fosters Canal, LA

Average cloud cover in September - Fosters Canal, LA
  • Average cloud cover in September: 24

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is May (Cloud cover 23).

Average visibility in September
Fosters Canal, LA

Average visibility in September - Fosters Canal, LA
  • 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).

Fosters Canal, Louisiana, USA

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