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 marks a gentle change in average high-temperature, declining from August's 84.2°F (29°C) to a still warm 78.3°F (25.7°C). The low-temperature average for Jeffersonville during September stands at a mild 58.5°F (14.7°C).Humidity
In September, the average relative humidity is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 2.17" (55mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Jeffersonville is 12h and 25min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index in Jeffersonville, Kentucky, is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Take precautions - Protection against sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the usual temperature for Jeffersonville in September?
What is the average humidity in September in Jeffersonville?
What is the driest month in Jeffersonville?
How much does it rain in Jeffersonville in September?
When it does not snow in Jeffersonville?
Does it snow in Jeffersonville in September?
What is the average length of the day in September in Jeffersonville?
When is the sunrise / sunset in September in Jeffersonville?
How many hours of sunshine does Jeffersonville have in September?
What is the UV index reading in September in Jeffersonville?
Average temperature in September
Jeffersonville, KY
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Jeffersonville, KY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Jeffersonville, KY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Jeffersonville, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Jeffersonville, KY
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Jeffersonville, KY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Jeffersonville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Jeffersonville, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 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
Jeffersonville, KY
- Average daylight in September: 12h and 2min
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 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Jeffersonville, KY
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Jeffersonville, 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, November and December (UV index 2).
Average cloud cover in September
Jeffersonville, KY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Jeffersonville, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Jeffersonville, Kentucky, USA
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