September weather forecast
Joppa, AL

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Weather in September

The first month of the autumn, September, is still a warm month in Joppa, Alabama, with an average temperature varying between 83.1°F (28.4°C) and 63.1°F (17.3°C).

Temperature

The commencement of September records an average high-temperature of a warm 83.1°F (28.4°C), barely varying from August's 88°F (31.1°C). The average nighttime temperature in Joppa lowers to a refreshing 63.1°F (17.3°C) throughout September.

Heat index

September's average heat index is evaluated at a tropical 89.6°F (32°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Joppa, Alabama, the average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.32" (59mm) of precipitation.

Snowfall

In Joppa, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 6:20 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:31 pm CDT.

Sunshine

In September, the average sunshine in Joppa is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

How hot is it in Joppa in September?

During September, Joppa experiences an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 63.1°F (17.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in September in Joppa?

In September, the average relative humidity in Joppa, Alabama, is 75%.

What is the driest month in Joppa?

The month with the least rainfall in Joppa is September, when the rain falls for 13.6 days and typically collects 2.32" (59mm) of precipitation.

How many days does it rain in September in Joppa?

In Joppa, during September, the rain falls for 13.6 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow in Joppa?

In Joppa, snow does not fall in April through October.

How many hours of daylight does Joppa have in September?

In September, the average day length is 12h and 23min.

What time are sunrise and sunset in September in Joppa?

In September, on the first day of the month, sunrise is at 6:20 am and sunset at 7:11 pm. On the last day of the month, in Joppa, sunrise is at 6:40 am and sunset at 6:31 pm CDT.

How many hours of sunshine does Joppa have in September?

In September, the average sunshine duration in Joppa is 8.6h.

What is the UV index intensity in September in Joppa?

In Joppa, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Joppa, AL

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

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.4°F).

  • Average low temperature in September: 63.1°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).

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Average pressure in September
Joppa, AL

Average pressure in September - Joppa, 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).

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Average wind speed in September
Joppa, AL

Average wind speed in September - Joppa, AL
  • Average wind speed in September: 4.9mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
Joppa, AL

Average humidity in September - Joppa, 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 (73%).

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Average rainfall in September
Joppa, AL

Average rainfall in September - Joppa, AL
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.32").

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Average rainfall days in September
Joppa, AL

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

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in September
Joppa, AL

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

The month with the highest snowfall is January (0.83").
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
Joppa, AL

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

The month with the highest number of snowfall days is January (1.8 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
Joppa, AL

Average daylight in September / Average sunshine in September - Joppa, 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 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
Joppa, AL

Average sunshine days in September - Joppa, AL
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in September
Joppa, AL

Average UV index in September - Joppa, 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).

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Average cloud cover in September
Joppa, AL

Average cloud cover in September - Joppa, 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
Joppa, AL

Average visibility in September - Joppa, 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).

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Joppa, Alabama, USA

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