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
McNary observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 85.6°F (29.8°C) to a still warm 79.9°F (26.6°C). In September, McNary's temperature tends to fall to an average low of 61.5°F (16.4°C) during the night.Humidity
In September, the average relative humidity in McNary, Kentucky, is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.26" (32mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:20 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:33 pm CDT.
Sunshine
In McNary, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in McNary is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for McNary in September?
What is the average humidity in September in McNary?
What is the driest month in McNary?
How many days does it rain in September in McNary?
When it does not snow in McNary?
Does it snow in McNary in September?
How many hours of daylight does McNary have in September?
When is the sunrise / sunset in September in McNary?
How long on average sun shines in September in McNary?
What is the UV index intensity in September in McNary?
Average temperature in September
McNary, KY
- Average high temperature in September: 79.9°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 (41.2°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
McNary, 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 (29.96"Hg).
Average wind speed in September
McNary, KY
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
McNary, 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
McNary, KY
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is February (2.52").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in September
McNary, KY
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
McNary, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
McNary, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
McNary, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
McNary, KY
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
McNary, 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
McNary, KY
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
McNary, 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).
McNary, Kentucky, USA
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