September weather forecastGraham, KY
September
Weather in September
September, the first month of the autumn in Graham, is also a moderately hot month, with an average temperature fluctuating between 79.9°F (26.6°C) and 61.5°F (16.4°C).Temperature
As August makes way for September, Graham's average high-temperature eases from 85.6°F (29.8°C) to a still warm 79.9°F (26.6°C). The low-temperature average for Graham during September stands at a comfortable 61.5°F (16.4°C).Humidity
The average relative humidity in September 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
In September, the average length of the day in Graham is 12h and 25min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:33 pm CDT.
Sunshine
The average sunshine in September in Graham, Kentucky, is 8.9h.UV index
In Graham, 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 ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Graham, 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
Graham, 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
Graham, 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
Graham, 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
Graham, 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
Graham, 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
Graham, 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
Graham, 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
Graham, KY
- Average daylight in September: 12h and 24min
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 54min
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
Graham, 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
Graham, 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
Graham, 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
Graham, 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).
