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
During September, Crossville records an average high-temperature of a warm 82.2°F (27.9°C), marking a slight divergence from August's 87.4°F (30.8°C). During September, Crossville records a consistent average nighttime temperature of 62.6°F (17°C).Heat index
For September, the heat index is appraised at a hot 87.8°F (31°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 2.48" (63mm) of precipitation.Snowfall
In Crossville, snow does not fall in April through October.Daylight
In Crossville, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:29 pm CDT.
Sunshine
In Crossville, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Crossville is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the usual temperature for Crossville in September?
What is the average humidity in September in Crossville?
What is the driest month in Crossville?
How much does it rain in Crossville in September?
When it does not snow in Crossville?
How many hours of daylight does Crossville have in September?
When is the sunrise / sunset in September in Crossville?
How long on average sun shines in September in Crossville?
What is the UV index reading in September in Crossville?
Average temperature in September
Crossville, AL
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Crossville, AL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Crossville, AL
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are February and March (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Crossville, AL
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Crossville, AL
- Average rainfall in September: 2.48"
The wettest months (with the highest rainfall) are February and December (4.65").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in September
Crossville, AL
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Crossville, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Crossville, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2 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
Crossville, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Crossville, AL
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Crossville, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Crossville, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Crossville, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Crossville, Alabama, USA
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