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

September weather forecast and climate
Tarkio, MO

September, the first month of the autumn, in Tarkio, is also a moderately hot month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 53.1°F (11.7°C).


In Tarkio, the average high-temperature slightly decreases, from 84.7°F (29.3°C) in August, to a still warm 77.9°F (25.5°C). The average low-temperature, in September, is 53.1°F (11.7°C).


Throughout September, 3.1" (77.7mm) of precipitation is accumulated. Throughout the year, 31.9" (809.1mm) of rain is accumulated.


In Tarkio snow does not fall in May through September.


The average length of the day in September in Tarkio, Missouri, is 12.4h.

What is the temperature in September in Tarkio?

In Tarkio, Missouri, in September, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 53.1°F (11.7°C).

How much does it rain in Tarkio in September?

During September, Tarkio regularly aggregates up to 3.1" (77.7mm) of precipitation.

Does it snow in Tarkio in September?

In Tarkio, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Tarkio?

May through September are months without snowfall in Tarkio, Missouri.

How many hours of daylight does Tarkio have in September?

In Tarkio, Missouri, the average length of the day in September is 12.4h.
Average temperature in September - Tarkio, MO
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in September: 53.1°F

The month with the highest average low temperature is July (65.4°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average rainfall in September - Tarkio, MO
  • Average rainfall in September: 3.1"

The wettest month (with the highest rainfall) is May (5").
The driest month (with the lowest rainfall) is January (0.5").

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

The month with the highest snowfall is February (4.4").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in September - Tarkio, 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).