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
A subtle shift in Island's weather is observed as August turns into September, with the average high temperature reducing from a warm 85.6°F (29.8°C) to a still moderately hot 79.9°F (26.6°C). During the month of September, Island's nighttime temperature lowers to an average of 61.2°F (16.2°C).Humidity
The average relative humidity in September in Island is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.7 days and typically collects 0.35" (9mm) of precipitation.Snowfall
In Island, 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 6:19 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:32 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are September temperatures in Island?
What is the average humidity in September in Island?
What is the driest month in Island?
How many days does it rain in September in Island?
When it does not snow in Island?
What is the average length of the day in September in Island?
What time are sunrise and sunset in September in Island?
How many hours of sunshine does Island have in September?
What is the UV index reading in September in Island?
Average temperature in September
Island, KY
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Island, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Island, KY
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in September
Island, KY
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Island, KY
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is February (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Island, KY
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is July (13.1 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in September
Island, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Island, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Island, 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 36min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Island, KY
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in September
Island, 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
Island, KY
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Island, 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).
Island, Kentucky, USA
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