September weather forecastKenner, LA
September
Weather in September
September marks the transition season from summer to fall in Kenner. As the month progresses, the previously high temperatures start to cool down to an average of 86.5°F (30.3°C). Correspondingly, the rain quantity diminishes, indicating the gradual farewell to the rainy season. The waning daylight hours also signal the advance towards shorter autumn days. Thus, September offers mellowing weather conditions while maintaining a balance of warmth, relative dryness, and daylight hours.Temperature
The average high-temperature during September registers at a still hot 86.5°F (30.3°C), closely corresponding to the preceding month. Kenner's temperature drops to an average low of 75°F (23.9°C) during the nights of September.Heat index
The heat index for September is estimated at a torrid 98.6°F (37°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. 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 natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
The average relative humidity in September is 75%.Rainfall
In Kenner, in September, it is raining for 17 days, with typically 3.82" (97mm) of accumulated precipitation. In Kenner, during the entire year, the rain falls for 181.9 days and collects up to 44.61" (1133mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Kenner, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:38 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:47 pm CDT.
Sunshine
In September, the average sunshine is 10.1h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kenner, LA
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (60.3°F).
- Average low temperature in September: 75°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).
Average pressure in September
Kenner, LA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in September
Kenner, LA
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are February and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Kenner, LA
- Average humidity in September: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Kenner, LA
- Average rainfall in September: 3.82"
The wettest month (with the highest rainfall) is July (6.5").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in September
Kenner, LA
- Average rainfall days in September: 17 days
The months with the highest number of rainy days are July and August (22.8 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Kenner, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
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
Kenner, LA
- 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
Kenner, LA
- Average daylight in September: 12h and 18min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Kenner, LA
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in September
Kenner, 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, November and December (UV index 4).
Average cloud cover in September
Kenner, LA
- Average cloud cover in September: 26
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in September
Kenner, 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).
