September weather forecastNatchitoches, LA
September
Weather in September
September in Natchitoches, Louisiana, marks the beginning of fall, coupled with a significant drop in highest temperature to 88.9°F (31.6°C), succinctly highlighting the season’s onset. The reduction in temperature is complemented by shorter daylight hours, driving the city into the embrace of cozy autumn. Rainfall surpasses the levels witnessed during the heat of summer, thus retaining humidity. The wind's moderate pace contributes to the overall calm demeanour of the season. As October approaches, the fall spirit deepens, resonating in further dips in temperature and daylight hours.Temperature
September signifies a gentle decline in Natchitoches's average high-temperature, easing from 94.3°F (34.6°C) in August to a still hot 88.9°F (31.6°C). The average temperature during September nights dips to an agreeable 68°F (20°C).Heat index
For September, the heat index is estimated at an extremely hot 104°F (40°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
In September, the average relative humidity is 73%.Rainfall
In Natchitoches, in September, it is raining for 13.1 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 142.7 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:58 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Natchitoches, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 during September translates into the following directions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. 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
Natchitoches, LA
- Average high temperature in September: 88.9°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (55.8°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 (39.6°F).
Average pressure in September
Natchitoches, LA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Natchitoches, LA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in September
Natchitoches, LA
- Average humidity in September: 73%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in September
Natchitoches, LA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in September
Natchitoches, LA
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Natchitoches, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Natchitoches, LA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Natchitoches, LA
- Average daylight in September: 12h and 18min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Natchitoches, LA
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (12.1 days).
Average UV index in September
Natchitoches, 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
Natchitoches, LA
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Natchitoches, LA
- Average visibility in September: 5mi
The months with the highest visibility are June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September and December (5mi).
