September weather forecast and climate
Rocky Comfort, MO

September, the first month of the autumn, in Rocky Comfort, is still a warm month, with average temperature ranging between min 61°F (16.1°C) and max 80.2°F (26.8°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 87.6°F (30.9°C) in August, to a moderately hot 80.2°F (26.8°C). In September, in Rocky Comfort, the average low-temperature is 61°F (16.1°C).

Humidity

In Rocky Comfort, the average relative humidity in September is 74%.

Rainfall

In Rocky Comfort, in September, during 12.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, there are 151.1 rainfall days, and 33.5" (851mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Rocky Comfort.

Daylight

In Rocky Comfort, the average length of the day is 12.4h.

Sunshine

In Rocky Comfort, Missouri, the average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in Rocky Comfort, Missouri, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Rocky Comfort?

In September, in Rocky Comfort, Missouri, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 61°F (16.1°C).

What is the average humidity in September in Rocky Comfort?

In September, the average relative humidity in Rocky Comfort, Missouri, is 74%.

How much does it rain in Rocky Comfort in September?

In Rocky Comfort, during September, the rain falls for 12.7 days and regularly aggregates up to 2.36" (60mm) of precipitation.

Does it snow in Rocky Comfort in September?

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

When it does not snow in Rocky Comfort?

In Rocky Comfort snow does not fall in June through September.

What is the average length of the day in September in Rocky Comfort?

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

How long on average sun shines in September in Rocky Comfort?

In September, the average sunshine in Rocky Comfort, Missouri, is 9.4h.

How high is the UV index in September in Rocky Comfort?

In Rocky Comfort, Missouri, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Rocky Comfort, MO
  • Average high temperature in September: 26.8°C

The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (6.1°C).

  • Average low temperature in September: 16.1°C

The month with the highest average low temperature is July (20.8°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).

Average pressure in September - Rocky Comfort, MO
  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in September - Rocky Comfort, MO
  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is April (16.8km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).

Average humidity in September - Rocky Comfort, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is May (78%).
Months with the lowest relative humidity are July, August and October (72%).

Average rainfall in September - Rocky Comfort, MO
  • Average rainfall in September: 60mm

The wettest month (with the highest rainfall) is May (136mm).
The driest month (with the least rainfall) is February (45mm).

Average rainfall days in September - Rocky Comfort, MO
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is December (8.2 days).

Average snowfall in September - Rocky Comfort, MO
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (54mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Rocky Comfort, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Rocky Comfort, MO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 9.4h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 5.4h).

Average sunshine days in September - Rocky Comfort, MO
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in September - Rocky Comfort, MO
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September - Rocky Comfort, MO
  • Average cloud cover in September: 28

Months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September - Rocky Comfort, MO
  • Average visibility in September: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).