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 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 beginning of September records an average high-temperature of a still tropical 86.9°F (30.5°C), almost echoing the conditions of the previous month. Throughout the month of September, Robertsdale expects an average low of 72.7°F (22.6°C).Heat index
The heat index value for September is appraised at a sweltering 100.4°F (38°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In Robertsdale, Alabama, the average relative humidity in September is 75%.Rainfall
In Robertsdale, in September, it is raining for 16.9 days, with typically 3.11" (79mm) of accumulated precipitation. In Robertsdale, during the entire year, the rain falls for 165.7 days and collects up to 31.46" (799mm) of precipitation.Snowfall
In Robertsdale, snow does not fall in February through November.Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:36 pm CDT.
Sunshine
The average sunshine in September is 9.7h.UV index
In Robertsdale, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Robertsdale have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Robertsdale have in September?
How high is the UV index in September?
Average temperature in September
Robertsdale, AL
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in September: 72.7°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).
Average pressure in September
Robertsdale, AL
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
Robertsdale, AL
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are January, March and April (7.9mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in September
Robertsdale, 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 (71%).
Average rainfall in September
Robertsdale, AL
- Average rainfall in September: 3.11"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (1.57").
Average rainfall days in September
Robertsdale, AL
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is July (22.9 days).
The month with the least rainy days is November (8.4 days).
Average snowfall days in September
Robertsdale, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Robertsdale, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Robertsdale, AL
- Average sunshine days in September: 11 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in September
Robertsdale, AL
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Robertsdale, AL
- Average cloud cover in September: 25
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in September
Robertsdale, 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).
Robertsdale, Alabama, USA
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