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
As Commerce, Missouri, steps into September, the average high-temperature is measured at a moderately hot 81.1°F (27.3°C), displaying minor differences from August's 86.2°F (30.1°C). Commerce, in September, experiences an average temperature of 61.3°F (16.3°C) at night.Heat index
September's heat index is estimated at a tropical 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to the direct sun could elevate the heat index 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. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The average relative humidity in September in Commerce is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.5" (38mm) of precipitation.Snowfall
In Commerce, snow does not fall in May through September.Daylight
In Commerce, Missouri, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:42 pm CDT.
Sunshine
In Commerce, Missouri, the average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September in Commerce is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the temperature in September in Commerce?
What is the average humidity in September in Commerce?
What is the driest month in Commerce?
How much does it rain in Commerce in September?
When it does not snow in Commerce?
Does it snow in Commerce in September?
How many hours of daylight does Commerce have in September?
What time are sunrise and sunset in September in Commerce?
How long on average sun shines in September in Commerce?
How high is the UV index in September in Commerce?
Average temperature in September
Commerce, MO
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in September: 61.3°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 (27.9°F).
Average pressure in September
Commerce, 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 (29.94"Hg).
Average wind speed in September
Commerce, MO
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Commerce, MO
- Average humidity in September: 73%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Commerce, MO
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Commerce, MO
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Commerce, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Commerce, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Commerce, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Commerce, MO
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Commerce, 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
Commerce, MO
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, August and September (Cloud cover 27).
Average visibility in September
Commerce, MO
- 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).
Commerce, Missouri, USA
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