September weather forecastCogswell, KY
September
Weather in September
September, the first month of the autumn in Cogswell, is still a warm month, with an average temperature fluctuating between 57.2°F (14°C) and 78.8°F (26°C).Temperature
As August transitions into September, Cogswell sees a gentle drop in the average high-temperature, transitioning from 85.1°F (29.5°C) to a still moderately hot 78.8°F (26°C). In the month of September, Cogswell witnesses a marked temperature drop at night, averaging a low of 57.2°F (14°C).Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.93" (49mm) 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 7:04 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:18 pm EDT.
Sunshine
In Cogswell, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cogswell, KY
- Average high temperature in September: 78.8°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 (38.7°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Cogswell, KY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Cogswell, KY
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Cogswell, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Cogswell, KY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Cogswell, KY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Cogswell, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cogswell, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cogswell, KY
- Average daylight in September: 12h and 24min
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 36min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Cogswell, KY
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Cogswell, KY
- Average UV index in September: 4
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
Cogswell, KY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Cogswell, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
