Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September manifests an average high-temperature of a warm 81.3°F (27.4°C), demonstrating a minor variation from the preceding month. Grove Oak records an average low of 62.1°F (16.7°C) throughout the nights in September.Heat index
In September, the heat index is appraised at a tropical 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In Grove Oak, the average relative humidity in September is 76%.Rainfall
In Grove Oak, during September, the rain falls for 14.4 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Grove Oak, during the entire year, the rain falls for 183 days and collects up to 47.6" (1209mm) of precipitation.Snowfall
In Grove Oak, snow does not fall in April through October.Daylight
In Grove Oak, Alabama, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:29 pm CDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Grove Oak, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Grove Oak have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Grove Oak have in September?
What is the UV index reading in September?
Average temperature in September
Grove Oak, AL
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 62.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Grove Oak, AL
- Average pressure in September: 30.03"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
Grove Oak, AL
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Grove Oak, AL
- Average humidity in September: 76%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Grove Oak, AL
- Average rainfall in September: 2.91"
The wettest months (with the highest rainfall) are July and December (4.88").
The driest month (with the least rainfall) is October (2.8").
Average rainfall days in September
Grove Oak, AL
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Grove Oak, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Grove Oak, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grove Oak, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Grove Oak, AL
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Grove Oak, 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
Grove Oak, AL
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and September (Cloud cover 33).
Average visibility in September
Grove Oak, AL
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August and December (5mi).
Grove Oak, Alabama, USA
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