September weather forecastOldfield, AL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Oldfield, Alabama, with an average temperature fluctuating between 65.3°F (18.5°C) and 84.7°F (29.3°C).Temperature
The introduction of September notes a subtle temperature variation to a warm 84.7°F (29.3°C) from August's 89.4°F (31.9°C). Throughout September, Oldfield encounters an average temperature drop to a comfortable 65.3°F (18.5°C).Heat index
Throughout September, the heat index is calculated to be a hot 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.2 days and typically collects 0.59" (15mm) of precipitation.Snowfall
In Oldfield, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:30 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take precautions - Protection against sun damage is advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oldfield, AL
- Average high temperature in September: 84.7°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 (51.6°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (35.8°F).
Average pressure in September
Oldfield, 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
Oldfield, AL
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Oldfield, 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 (72%).
Average rainfall in September
Oldfield, AL
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in September
Oldfield, AL
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in September
Oldfield, AL
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Oldfield, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 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
Oldfield, AL
- Average daylight in September: 12h and 24min
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 42min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Oldfield, AL
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Oldfield, 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, February, November and December (UV index 3).
Average cloud cover in September
Oldfield, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Oldfield, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
