September weather forecastNew Harmony, MS
September
Weather in September
The first month of the autumn, September, is still a warm month in New Harmony, Mississippi, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 64.6°F (18.1°C).Temperature
With the arrival of September, New Harmony experiences a modest decline in average high-temperatures, transitioning from a tropical 90.5°F (32.5°C) in August to a warm 85.1°F (29.5°C). Throughout the month of September, New Harmony reports a steady low-temperature average of 64.6°F (18.1°C).Heat index
The heat index for September is calculated to be a hot 93.2°F (34°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In September, the average relative humidity is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 9 days and typically collects 0.59" (15mm) of precipitation.Snowfall
March through December are months without snowfall in New Harmony.Daylight
In New Harmony, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:40 pm CDT.
Sunshine
The average sunshine in September in New Harmony is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Avoiding sunburn is suggested. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Harmony, MS
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in September
New Harmony, MS
- Average pressure in September: 30.01"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
New Harmony, MS
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
New Harmony, MS
- Average humidity in September: 72%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
New Harmony, MS
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is July (1.57").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in September
New Harmony, MS
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in September
New Harmony, MS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
New Harmony, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 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
New Harmony, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
New Harmony, MS
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in September
New Harmony, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
New Harmony, MS
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
New Harmony, MS
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
