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
September brings a slight decrease in the average high-temperature, shifting from a tropical 86.5°F (30.3°C) in August to a moderately hot 81.1°F (27.3°C). Suwanee in September experiences a low-temperature average of 61.5°F (16.4°C).Heat index
The heat index in September is appraised at a tropical 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In September, the average relative humidity in Suwanee is 73%.Rainfall
The month with the least rainfall in Suwanee is September, when the rain falls for 10.7 days and typically collects 1.26" (32mm) of precipitation.Snowfall
In Suwanee, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:24 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm CDT.
Sunshine
In Suwanee, the average sunshine in September is 9.1h.UV index
In Suwanee, Kentucky, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during September leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the temperature in September in Suwanee?
What is the average humidity in September in Suwanee?
What is the driest month in Suwanee?
How many days does it rain in September in Suwanee?
When it does not snow in Suwanee?
What is the average length of the day in September in Suwanee?
What time are sunrise and sunset in September in Suwanee?
How many hours of sunshine does Suwanee have in September?
What is the UV index intensity in September in Suwanee?
Average temperature in September
Suwanee, KY
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Suwanee, KY
- Average pressure in September: 30.03"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
Suwanee, KY
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in September
Suwanee, KY
- Average humidity in September: 73%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Suwanee, KY
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in September
Suwanee, KY
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Suwanee, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Suwanee, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Suwanee, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Suwanee, KY
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in September
Suwanee, KY
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Suwanee, KY
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June, August and September (Cloud cover 29).
Average visibility in September
Suwanee, KY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Suwanee, Kentucky, USA
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