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
September's presence records an average high-temperature of a warm 84.7°F (29.3°C), closely mirroring August's climate. September in Vandiver generally records an average low-temperature of 64.8°F (18.2°C).Heat index
The heat index in September is evaluated at a hot 93.2°F (34°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In September, the average relative humidity in Vandiver is 73%.Rainfall
The months with the least rainfall are September and October Rain falls for 13 days and accumulates 1.57" (40mm) of rain.Snowfall
In Vandiver, snow does not fall in March through October.Daylight
In Vandiver, the average length of the day in September is 12h and 22min.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 Vandiver, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Vandiver is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
How hot does it get in Vandiver in September?
What is the average humidity in September in Vandiver?
What is the driest month in Vandiver?
How much does it rain in Vandiver in September?
When it does not snow in Vandiver?
How many hours of daylight does Vandiver have in September?
What time are sunrise and sunset in September in Vandiver?
How long on average sun shines in September in Vandiver?
How high is the UV index in September in Vandiver?
Average temperature in September
Vandiver, AL
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Vandiver, AL
- Average pressure in September: 30.01"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
Vandiver, AL
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Vandiver, AL
- Average humidity in September: 73%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Vandiver, AL
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is August (2.99").
The driest months (with the least rainfall) are September and October (1.57").
Average rainfall days in September
Vandiver, AL
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Vandiver, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Vandiver, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Vandiver, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Vandiver, AL
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Vandiver, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Vandiver, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in September
Vandiver, 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).
Vandiver, Alabama, USA
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