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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 85.6°F (29.8°C) to a still warm 79.3°F (26.3°C). Nighttime temperatures in September average to a moderate 60.1°F (15.6°C) in Floyds Knobs.Humidity
In Floyds Knobs, the average relative humidity in September is 74%.Rainfall
January and September are months with the least rain in Floyds Knobs when the rain falls for 12.4 days and typically aggregates up to 1.06" (27mm) of rain.Snowfall
May through October are months without snowfall.Daylight
In Floyds Knobs, Indiana, the average length of the day in September is 12h and 25min.On the first day of September in Floyds Knobs, sunrise is at 7:13 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:27 pm EDT.
Sunshine
In Floyds Knobs, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Floyds Knobs?
What is the average humidity in September in Floyds Knobs?
What is the driest month in Floyds Knobs?
How much does it rain in Floyds Knobs in September?
When it does not snow in Floyds Knobs?
What is the average length of the day in September in Floyds Knobs?
What time are sunrise and sunset in September in Floyds Knobs?
How long on average sun shines in September in Floyds Knobs?
What is the UV index intensity in September in Floyds Knobs?
Average temperature in September
Floyds Knobs, IN
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Floyds Knobs, IN
- 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 (29.95"Hg).
Average wind speed in September
Floyds Knobs, IN
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in September
Floyds Knobs, IN
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in September
Floyds Knobs, IN
- Average rainfall in September: 1.06"
The wettest months (with the highest rainfall) are May and July (1.89").
The driest months (with the least rainfall) are January and September (1.06").
Average rainfall days in September
Floyds Knobs, IN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Floyds Knobs, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Floyds Knobs, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 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
Floyds Knobs, IN
- 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 30min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in September
Floyds Knobs, IN
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in September
Floyds Knobs, IN
- 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
Floyds Knobs, IN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Floyds Knobs, IN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
Floyds Knobs, Indiana, USA
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