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
Gilbert greets September with an average high-temperature of a warm 83.7°F (28.7°C), marking a slight deviation from the preceding month. Gilbert witnesses an average low-temperature of 63.9°F (17.7°C) throughout the month of September.Heat index
September's heat index is estimated at a hot 91.4°F (33°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 1.3" (33mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Gilbert is 12h and 22min.On the first day of September, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Gilbert, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take precautions - Protection against sun damage is advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Gilbert, AL
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Gilbert, AL
- Average pressure in September: 30.02"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
Gilbert, AL
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Gilbert, 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 (73%).
Average rainfall in September
Gilbert, AL
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in September
Gilbert, AL
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in September
Gilbert, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Gilbert, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gilbert, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Gilbert, AL
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in September
Gilbert, 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
Gilbert, AL
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
Gilbert, 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).
Gilbert, Alabama, USA
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