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
With the arrival of September, Garwood experiences a modest decline in average high-temperatures, transitioning from a tropical 87.8°F (31°C) in August to a warm 81.3°F (27.4°C). Nighttime temperatures in Garwood hover around an average low of 60.1°F (15.6°C) in September.Heat index
September's average heat index is estimated at a tropical 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In September, the average relative humidity is 74%.Rainfall
September and December are months with the least rain when the rain falls for 10.2 days and typically aggregates up to 1.26" (32mm) of rain.Snowfall
April through October are months without snowfall in Garwood.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Garwood, sunrise is at 6:34 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:47 pm CDT.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the usual temperature for Garwood in September?
What is the average humidity in September in Garwood?
What is the driest month in Garwood?
How many days does it rain in September in Garwood?
When it does not snow in Garwood?
What is the average length of the day in September in Garwood?
When is the sunrise / sunset in September in Garwood?
How many hours of sunshine does Garwood have in September?
What is the UV index intensity in September in Garwood?
Average temperature in September
Garwood, MO
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Garwood, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Garwood, MO
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Garwood, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Garwood, MO
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is April (3.03").
The driest months (with the least rainfall) are September and December (1.26").
Average rainfall days in September
Garwood, MO
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (15.7 days).
The months with the least rainy days are January and December (8.1 days).
Average snowfall in September
Garwood, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Garwood, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Garwood, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Garwood, MO
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
Garwood, MO
- 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 and December (UV index 2).
Average cloud cover in September
Garwood, MO
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Garwood, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Garwood, Missouri, USA
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