September weather forecastSulphur, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Sulphur, Kentucky, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 59.5°F (15.3°C).Temperature
In September, the average high-temperature marginally drops from a moderately hot 84.9°F (29.4°C) in August to a still warm 79°F (26.1°C). An average low-temperature of 59.5°F (15.3°C) is recorded in the month of September.Humidity
In September, the average relative humidity is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 1.81" (46mm) of precipitation.Snowfall
In Sulphur, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:11 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:25 pm EDT.
Sunshine
In Sulphur, the average sunshine in September is 8.3h.UV index
In Sulphur, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sulphur, KY
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Sulphur, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Sulphur, KY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in September
Sulphur, KY
- Average humidity in September: 75%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and October (74%).
Average rainfall in September
Sulphur, KY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Sulphur, KY
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (11 days).
Average snowfall in September
Sulphur, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Sulphur, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 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
Sulphur, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Sulphur, KY
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
Sulphur, KY
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sulphur, KY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Sulphur, KY
- Average visibility in September: 6mi
The months with the highest visibility are April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July and December (5mi).





