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
In September, the average high-temperature is relatively the same as in August - a still hot 87.8°F (31°C). In September, in Amy, the average low-temperature is 67.6°F (19.8°C).Heat index
In September, the average heat index is calculated to be a sweltering 102.2°F (39°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.
Humidity
The average relative humidity in September in Amy is 75%.Rainfall
In Amy, Mississippi, during 15 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 157.7 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
In Amy, snow does not fall in April through November.Daylight
In Amy, the average length of the day in September is 12h and 21min.On the first day of September in Amy, Mississippi, sunrise is at 6:32 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:43 pm CDT.
Sunshine
The average sunshine in September in Amy is 9.1h.UV index
In Amy, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
FAQ
What is the temperature in September in Amy?
What is the average humidity in September in Amy?
How many days does it rain in September in Amy?
When it does not snow in Amy?
How many hours of daylight does Amy have in September?
When are sunrise and sunset in September in Amy?
How many hours of sunshine does Amy have in September?
How high is the UV index in September in Amy?
Average temperature in September
Amy, MS
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in September
Amy, MS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Amy, MS
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January, February and April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in September
Amy, MS
- Average humidity in September: 75%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Amy, MS
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in September
Amy, MS
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Amy, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Amy, MS
- 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
Amy, MS
- Average daylight in September: 12h and 21min
The month with the longest days is June (Average daylight: 14h and 11min).
The month with the shortest days is December (Average daylight: 10h and 7min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Amy, MS
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Amy, MS
- Average UV index in September: 5
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
Amy, MS
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Amy, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October and November (6mi).
The months with the lowest visibility are May, July, August, September and December (5mi).
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