September weather forecast
Monterey, AL

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Weather in September

September, the first month of the autumn in Monterey, is still a hot month, with temperature in the range of an average low of 67.8°F (19.9°C) and an average high of 87.1°F (30.6°C).

Temperature

The average high-temperature in September, at a still hot 87.1°F (30.6°C), reveals a modest deviation from August's 90.7°F (32.6°C). Monterey, in September, experiences an average temperature of 67.8°F (19.9°C) at night.

Heat index

For September, the heat index is appraised at a very hot 100.4°F (38°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in September is 74%.

Rainfall

In Monterey, in September, it is raining for 15.4 days, with typically 2.28" (58mm) of accumulated precipitation. In Monterey, during the entire year, the rain falls for 171.8 days and collects up to 35.16" (893mm) of precipitation.

Snowfall

In Monterey, snow does not fall in April through November.

Daylight

In September, the average length of the day is 12h and 21min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:33 pm CDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In Monterey, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 6 in September leads to these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

Is it hot in Monterey during September?

September temperatures in Monterey vary between a high-temperature of 87.1°F (30.6°C) and a low-temperature of 67.8°F (19.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is appraised at 100.4°F (38°C).

What is the average humidity in September in Monterey?

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

How much does it rain in Monterey in September?

In Monterey, during September, the rain falls for 15.4 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow in Monterey?

April through November are months without snowfall in Monterey.

How many hours of daylight does Monterey have in September?

In September, the average day length in Monterey, Alabama, is 12h and 21min.

When is the sunrise / sunset in September in Monterey?

On the first day of September in Monterey, sunrise is at 6:23 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:33 pm CDT.

How long on average sun shines in September in Monterey?

The average sunshine duration in September is 8.9h.

What is the UV index reading in September in Monterey?

In Monterey, Alabama, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Monterey, AL

Average temperature in September - Monterey, AL
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (56.7°F).

  • Average low temperature in September: 67.8°F

The month with the highest average low temperature is August (72.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).

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Average pressure in September
Monterey, AL

Average pressure in September - Monterey, AL
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in September
Monterey, AL

Average wind speed in September - Monterey, AL
  • Average wind speed in September: 5mph

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in September
Monterey, AL

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

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Monterey, AL

Average rainfall in September - Monterey, AL
  • Average rainfall in September: 2.28"

The wettest months (with the highest rainfall) are August and December (3.94").
The driest month (with the least rainfall) is November (1.93").

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Average rainfall days in September
Monterey, AL

Average rainfall days in September - Monterey, AL
  • Average rainfall days in September: 15.4 days

The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is November (7.3 days).

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Average snowfall in September
Monterey, AL

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

The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Monterey, AL

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Monterey, AL
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

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Average sunshine days in September
Monterey, AL

Average sunshine days in September - Monterey, AL
  • Average sunshine days in September: 12.9 days

The months with the most sunshine days are October and November (21 days).
The month with the least sunshine days is July (6.5 days).

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Average UV index in September
Monterey, AL

Average UV index in September - Monterey, AL
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Monterey, AL

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

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in September
Monterey, AL

Average visibility in September - Monterey, AL
  • Average visibility in September: 5mi

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

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Monterey, Alabama, USA

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