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, Racine experiences a modest decline in average high-temperatures, transitioning from a hot 88.3°F (31.3°C) in August to a moderately hot 81.1°F (27.3°C). Racine experiences a mean temperature of 61.7°F (16.5°C) during September nights.Heat index
The heat index value for September is evaluated at a tropical 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. 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 especially crucial for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In September, the average relative humidity in Racine is 73%.Rainfall
In Racine, in September, during 11.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Racine, during the entire year, the rain falls for 134.6 days and collects up to 25.08" (637mm) of precipitation.Snowfall
In Racine, snow does not fall in April, June through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:49 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:02 pm CDT.
Sunshine
In September, the average sunshine in Racine is 9.5h.UV index
The average daily maximum UV index in September in Racine is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Racine?
What is the average humidity in September in Racine?
How much does it rain in Racine in September?
When it does not snow in Racine?
What is the average length of the day in September in Racine?
What time are sunrise and sunset in September in Racine?
How long on average sun shines in September in Racine?
How high is the UV index in September in Racine?
Average temperature in September
Racine, MO
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Racine, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Racine, MO
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Racine, MO
- Average humidity in September: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Racine, MO
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in September
Racine, MO
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is December (6.4 days).
Average snowfall in September
Racine, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Racine, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Racine, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Racine, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Racine, MO
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Racine, MO
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in September
Racine, 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).
Racine, Missouri, USA
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