September weather forecast
Rockwood, AL

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Weather in September

September, the first month of the autumn in Rockwood, is still a warm month, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 63.9°F (17.7°C).

Temperature

The average high-temperature for September is a moderately hot 83.1°F (28.4°C), closely aligning with the temperature of the preceding month. During September in Rockwood, the average low-temperature is recorded at a refreshing 63.9°F (17.7°C).

Heat index

September's heat index is estimated at a hot 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In Rockwood, Alabama, the average relative humidity in September is 74%.

Rainfall

In Rockwood, in September, it is raining for 13.6 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Rockwood, there are 176 rainfall days, and 41.97" (1066mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Rockwood.

Daylight

In September, the average length of the day in Rockwood is 12h and 23min.
On the first day of September in Rockwood, Alabama, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:36 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September in Rockwood is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

How hot is it in Rockwood in September?

Rockwood in September has an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 63.9°F (17.7°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in September in Rockwood?

The average relative humidity in September in Rockwood, Alabama, is 74%.

How many days does it rain in September in Rockwood?

In Rockwood, Alabama, during September, the rain falls for 13.6 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow in Rockwood?

April through October are months without snowfall in Rockwood.

What is the average length of the day in September in Rockwood?

The average day length in September in Rockwood is 12h and 23min.

When is the sunrise / sunset in September in Rockwood?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, in Rockwood, sunrise is at 6:45 am and sunset at 6:36 pm CDT.

How long on average sun shines in September in Rockwood?

In September, the average sunshine duration in Rockwood is 8.9h.

What is the UV index reading in September in Rockwood?

In Rockwood, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rockwood, AL

Average temperature in September - Rockwood, AL
  • Average high temperature in September: 83.1°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in September: 63.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

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Average pressure in September
Rockwood, AL

Average pressure in September - Rockwood, AL
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Rockwood, AL

Average wind speed in September - Rockwood, AL
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in September
Rockwood, AL

Average humidity in September - Rockwood, AL
  • Average humidity in September: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Rockwood, AL

Average rainfall in September - Rockwood, AL
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is February (4.57").
The driest month (with the least rainfall) is November (2.44").

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Average rainfall days in September
Rockwood, AL

Average rainfall days in September - Rockwood, AL
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in September
Rockwood, AL

Average snowfall in September - Rockwood, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Rockwood, AL

Average snowfall days in September - Rockwood, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Rockwood, AL

Average daylight in September / Average sunshine in September - Rockwood, 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 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Rockwood, AL

Average sunshine days in September - Rockwood, AL
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in September
Rockwood, AL

Average UV index in September - Rockwood, 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 December (UV index 2).

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Average cloud cover in September
Rockwood, AL

Average cloud cover in September - Rockwood, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 31).

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Average visibility in September
Rockwood, AL

Average visibility in September - Rockwood, AL
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).

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Rockwood, Alabama, USA

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