September weather forecast and climate
Curtiston, AL

September, the first month of the autumn, in Curtiston, is still a warm month, with average temperature ranging between max 83.8°F (28.8°C) and min 63.9°F (17.7°C).

Temperature

In Curtiston, the average high-temperature in September is practically the same as in August - a warm 83.8°F (28.8°C). In Curtiston, the average low-temperature is 63.9°F (17.7°C).

Heat index

In September, the average heat index is evaluated at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, metabolic differences). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

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

Snowfall

In Curtiston snow does not fall in April through October.

Daylight

The average length of the day in September is 12.4h.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in 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). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines air temperature and relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in September in Curtiston?

The average relative humidity in September is 74%.

How much does it rain in Curtiston in September?

In Curtiston, Alabama, in September, it is raining for 13.5 days, with typically 2.4" (61mm) of accumulated precipitation.

What is the driest month in Curtiston?

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

When it does not snow in Curtiston?

April through October are months without snowfall in Curtiston.

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

In Curtiston, the average length of the day in September is 12.4h.

How many hours of sunshine does Curtiston have in September?

The average sunshine in September in Curtiston is 8.6h.

How high is the UV index in September in Curtiston?

In Curtiston, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.
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: 30.02"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

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: 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: 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: 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: 0"

The month with the highest snowfall is February (0.55").
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: 0 days

The month with the highest number of snowfall days is February (1.7 days).
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: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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: 5

Months with the highest UV index are May, June, July and August (UV index 6).
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: 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: 6mi

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