Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Holum experiences a recorded average high-temperature of a still hot 88°F (31.1°C) in September, closely aligned with August's 93.2°F (34°C). September nights are marked by an average temperature drop to a comfortable 67.8°F (19.9°C).Heat index
The average heat index in September is computed to be a very hot 102.2°F (39°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.For clarity, heat index numbers account for light winds and areas under shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In Holum, the average relative humidity in September is 74%.Rainfall
In September, in Holum, the rain falls for 16.2 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. In Holum, during the entire year, the rain falls for 172.1 days and collects up to 39.45" (1002mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Holum, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 6:44 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 Holum, the average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Take precautions against overexposure. Protection against sun damage is needed. 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. 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
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Holum?
How many hours of daylight does Holum have in September?
When are sunrise and sunset in September in Holum?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Holum, LA
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (54.9°F).
- Average low temperature in September: 67.8°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure in September
Holum, LA
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Holum, LA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in September
Holum, LA
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Holum, LA
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in September
Holum, LA
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Holum, LA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Holum, LA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Holum, 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Holum, LA
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in September
Holum, 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).
Average cloud cover in September
Holum, LA
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Holum, LA
- Average visibility in September: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Holum, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location