Unionville
Missouri, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Unionville, MO

September, the first month of the autumn, in Unionville, is also a moderately hot month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 77.2°F (25.1°C).

Temperature

In September, the average high-temperature marginally drops, from 84.4°F (29.1°C) in August, to a still moderately hot 77.2°F (25.1°C). In September, the average low-temperature is 53.2°F (11.8°C).

Rainfall

During September, Unionville regularly aggregates up to 3.9" (99.1mm) of precipitation. During the entire year, Unionville aggregates up to 40.9" (1038.8mm) of precipitation.

Snowfall

In Unionville snow does not fall in May through October.

Daylight

In September, the average length of the day is 12.4h.

What is the temperature in September in Unionville?

The average high-temperature, in September, is 77.2°F (25.1°C), while the average low-temperature is 53.2°F (11.8°C).

How much does it rain in Unionville in September?

Throughout September, in Unionville, 3.9" (99.1mm) of precipitation is accumulated.

When it does not snow in Unionville?

In Unionville, Missouri, snow does not fall in May through October.

How many hours of daylight does Unionville have in September?

In September, the average length of the day in Unionville is 12.4h.
Average temperature in September - Unionville, MO
  • Average high temperature in September: 77.1°F

The warmest month (with the highest average high temperature) is July (86.1°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in September: 53.2°F

The month with the highest average low temperature is July (63.6°F).
The coldest month (with the lowest average low temperature) is January (15.2°F).

Average rainfall in September - Unionville, MO
  • Average rainfall in September: 3.9"

The wettest month (with the highest rainfall) is July (5.7").
The driest month (with the lowest rainfall) is January (1.1").

Average snowfall in September - Unionville, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (7.3").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average daylight in September - Unionville, MO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).