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
The start of September involves a subtle temperature drop, shifting from 84.9°F (29.4°C) in August to a still warm 79°F (26.1°C). Throughout September, an average low-temperature of 59.5°F (15.3°C) is expected.Humidity
In September, the average relative humidity in Westport is 75%.Rainfall
The month with the least rainfall in Westport is September, when the rain falls for 13.8 days and typically collects 1.81" (46mm) of precipitation.Snowfall
In Westport, snow does not fall in May through September.Daylight
In Westport, the average length of the day in September is 12h and 25min.On the first day of September in Westport, sunrise is at 7:11 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September in Westport is 8.3h.UV index
In Westport, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Westport?
What is the average humidity in September in Westport?
What is the driest month in Westport?
How much does it rain in Westport in September?
When it does not snow in Westport?
Does it snow in Westport in September?
What is the average length of the day in September in Westport?
When is the sunrise / sunset in September in Westport?
How long on average sun shines in September in Westport?
What is the UV index intensity in September in Westport?
Average temperature in September
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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
Westport, 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 30min).
- Average sunshine in September: 8h and 2min
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
Westport, 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
Westport, 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
Westport, 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
Westport, 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).
Westport, Kentucky, USA
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