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
Monhegan's weather, upon September's arrival, documents an average high-temperature of a still hot 88°F (31.1°C), nearly identical to the prior month. Monhegan, in September, observes a steady average low-temperature of 70°F (21.1°C).Heat index
The heat index value for September is evaluated at a scorching 105.8°F (41°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In September, the average relative humidity in Monhegan is 78%.Rainfall
In September, in Monhegan, the rain falls for 17.6 days. Throughout September, 2.95" (75mm) of precipitation is accumulated. In Monhegan, Louisiana, during the entire year, the rain falls for 177.1 days and collects up to 36.1" (917mm) of precipitation.Snowfall
February through November are months without snowfall in Monhegan.Daylight
The average length of the day in September is 12h and 20min.On the first day of September in Monhegan, sunrise is at 6:41 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:50 pm CDT.
Sunshine
In Monhegan, Louisiana, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September leads to these instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
How hot is September in Monhegan?
What is the average humidity in September in Monhegan?
How much does it rain in Monhegan in September?
When it does not snow in Monhegan?
What is the average length of the day in September in Monhegan?
What time are sunrise and sunset in September in Monhegan?
How long on average sun shines in September in Monhegan?
How high is the UV index in September in Monhegan?
Average temperature in September
Monhegan, LA
- Average high temperature in September: 88°F
The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in September: 70°F
The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in September
Monhegan, 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 and August (29.96"Hg).
Average wind speed in September
Monhegan, LA
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in September
Monhegan, LA
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Monhegan, LA
- Average rainfall in September: 2.95"
The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
Monhegan, LA
- Average rainfall days in September: 17.6 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Monhegan, LA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Monhegan, LA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Monhegan, LA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Monhegan, LA
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is November (19.6 days).
The months with the least sunshine days are July and August (7.3 days).
Average UV index in September
Monhegan, LA
- Average UV index in September: 6
The months with the highest UV index are May, 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
Monhegan, LA
- Average cloud cover in September: 34
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Monhegan, LA
- Average visibility in September: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Monhegan, Louisiana, USA
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