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 arrival corresponds with a decrease in average high-temperatures, from August's hot 93.4°F (34.1°C) to a moderately hot 84°F (28.9°C). An average low-temperature of 65.1°F (18.4°C) marks the nights throughout September.Heat index
The heat index value for September is calculated to be a hot 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
September is the most humid month, with an average relative humidity of 57%.Rainfall
September is the month with the most rainfall. Rain falls for 13.1 days and accumulates 2.44" (62mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 7:19 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:29 pm CDT.
Sunshine
In Kalgary, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the most humid month?
What is the average humidity in September in Kalgary?
What is the wettest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Kalgary have in September?
How high is the UV index in September?
Average temperature in September
Kalgary, TX
- Average high temperature in September: 84°F
The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Kalgary, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Kalgary, TX
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in September
Kalgary, TX
- Average humidity in September: 57%
The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is April (43%).
Average rainfall in September
Kalgary, TX
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is September (2.44").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Kalgary, TX
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is September (13.1 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in September
Kalgary, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Kalgary, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Kalgary, TX
- 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 5min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Kalgary, TX
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (26.9 days).
The month with the least sunshine days is September (14.9 days).
Average UV index in September
Kalgary, TX
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Kalgary, TX
- Average cloud cover in September: 24
The month with the most cloud cover is September (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Kalgary, TX
- 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).
Kalgary, Texas, USA
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