September weather forecast
Curtiston, AL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Curtiston, Alabama, with an average temperature fluctuating between 63.9°F (17.7°C) and 83.8°F (28.8°C).

Temperature

Upon the onset of September, Curtiston witnesses an average high-temperature of a warm 83.8°F (28.8°C), showing a close resemblance to the prior month. The average nighttime temperature lowers to a comfortable 63.9°F (17.7°C) throughout September.

Heat index

The heat index value for September is evaluated at a tropical 91.4°F (33°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

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

Rainfall

September and October are months with the least rain when the rain falls for 13.5 days and typically aggregates up to 2.4" (61mm) of rain.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:18 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:29 pm CDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in September in Curtiston is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

In Curtiston, in September, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 63.9°F (17.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 91.4°F (33°C).

What is the average humidity in September?

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

What is the driest month?

The months with the least rainfall are September and October Rain falls for 13.5 days and accumulates 2.4" (61mm) of rain.

How much does it rain in September?

In Curtiston, in September, during 13.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

In Curtiston, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:18 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:29 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.6h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Curtiston, AL

Average temperature in September - Curtiston, AL
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°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 (34.3°F).

Average pressure in September
Curtiston, AL

Average pressure in September - Curtiston, 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
Curtiston, AL

Average wind speed in September - Curtiston, AL
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Curtiston, AL

Average humidity in September - Curtiston, 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%).

Average rainfall in September
Curtiston, AL

Average rainfall in September - Curtiston, AL
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is December (4.17").
The driest months (with the least rainfall) are September and October (2.4").

Average rainfall days in September
Curtiston, AL

Average rainfall days in September - Curtiston, AL
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in September
Curtiston, AL

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

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Curtiston, AL

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

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Curtiston, 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 4min

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 36min).

Average sunshine days in September
Curtiston, AL

Average sunshine days in September - Curtiston, AL
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in September
Curtiston, AL

Average UV index in September - Curtiston, AL
  • 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 and December (UV index 2).

Average cloud cover in September
Curtiston, AL

Average cloud cover in September - Curtiston, 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
Curtiston, AL

Average visibility in September - Curtiston, AL
  • 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).

Curtiston, Alabama, USA

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