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 arrival of September corresponds with a light shift in temperature, down from a moderately hot 85.5°F (29.7°C) in August to a still warm 79.5°F (26.4°C). The average temperature during September nights is registered at a mild 59°F (15°C).Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall in Mark is September, when the rain falls for 13.2 days and typically collects 2.2" (56mm) of precipitation.Snowfall
In Mark, snow does not fall in May through September.Daylight
In Mark, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:22 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mark in September?
What is the average humidity in September in Mark?
What is the driest month in Mark?
How many days does it rain in September in Mark?
When it does not snow in Mark?
Does it snow in Mark in September?
What is the average length of the day in September in Mark?
When are sunrise and sunset in September in Mark?
How many hours of sunshine does Mark have in September?
What is the UV index reading in September in Mark?
Average temperature in September
Mark, KY
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in September
Mark, 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 (29.97"Hg).
Average wind speed in September
Mark, KY
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Mark, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Mark, KY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Mark, KY
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (11.2 days).
Average snowfall in September
Mark, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mark, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Mark, 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 42min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Mark, KY
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (16.6 days).
The months with the least sunshine days are February and July (10.1 days).
Average UV index in September
Mark, 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
Mark, KY
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Mark, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Mark, Kentucky, USA
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