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 brings a slight decrease in the average high-temperature, shifting from a hot 86.5°F (30.3°C) in August to a moderately hot 80.8°F (27.1°C). The average temperature in Millersville during September nights dips to an enjoyable 61°F (16.1°C).Heat index
September's mean heat index is calculated to be 84.2°F (29°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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
In September, the average relative humidity in Millersville, Missouri, is 73%.Rainfall
The month with the least rainfall in Millersville is September, when the rain falls for 11.6 days and typically collects 1.54" (39mm) of precipitation.Snowfall
May through September are months without snowfall in Millersville.Daylight
In September, the average length of the day in Millersville, Missouri, is 12h and 25min.On the first day of September, sunrise is at 6:30 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm CDT.
Sunshine
In September, the average sunshine in Millersville is 9.6h.UV index
In September, the average daily maximum UV index in Millersville is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Guard yourself - Avoiding sunburn is suggested. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for Millersville in September?
What is the average humidity in September in Millersville?
What is the driest month in Millersville?
How much does it rain in Millersville in September?
When it does not snow in Millersville?
Does it snow in Millersville in September?
What is the average length of the day in September in Millersville?
When is the sunrise / sunset in September in Millersville?
How long on average sun shines in September in Millersville?
How high is the UV index in September in Millersville?
Average temperature in September
Millersville, MO
- Average high temperature in September: 80.8°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 (40.5°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Millersville, 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
Millersville, MO
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Millersville, MO
- Average humidity in September: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Millersville, MO
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Millersville, MO
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Millersville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Millersville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 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
Millersville, 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 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in September
Millersville, MO
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Millersville, 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
Millersville, MO
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Millersville, 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).
Millersville, Missouri, USA
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