September weather forecastGuest, AL
September
Weather in September
The first month of the autumn, September, is still a warm month in Guest, Alabama, with an average temperature fluctuating between 62.1°F (16.7°C) and 81.3°F (27.4°C).Temperature
Guest, Alabama, notes an average high-temperature of a moderately hot 81.3°F (27.4°C) in September, hardly diverging from August. In September, the average low-temperature is a refreshing 62.1°F (16.7°C).Heat index
Throughout September, the heat index is appraised at a hot 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important 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.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Guest, Alabama, in September, during 14.4 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 183 rainfall days, and 47.6" (1209mm) of precipitation is accumulated.Snowfall
In Guest, 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 6:17 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:28 pm CDT.
Sunshine
In Guest, the average sunshine in September is 8.2h.UV index
In Guest, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guest, 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
Guest, 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
Guest, 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
Guest, 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
Guest, 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
Guest, 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
Guest, 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
Guest, 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
Guest, AL
- Average daylight in September: 12h and 24min
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 12min
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
Guest, 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
Guest, 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
Guest, 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
Guest, 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).
