September weather forecast
Russellville, MO

englishespañol中文
Share

Weather in September

September, the first month of the autumn in Russellville, is also a moderately hot month, with an average temperature varying between 59.4°F (15.2°C) and 79.7°F (26.5°C).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from a hot 86.5°F (30.3°C) in August to a moderately hot 79.7°F (26.5°C). In the month of September, Russellville experiences an average low-temperature of 59.4°F (15.2°C).

Humidity

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

Rainfall

In September, the rain falls for 11.4 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 142 rainfall days, and 32.13" (816mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Russellville, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:39 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:53 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Russellville, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

What are September temperatures?

Russellville in September has an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 59.4°F (15.2°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 98.6°F (37°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

How many days does it rain in September?

In Russellville, during September, the rain falls for 11.4 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 25min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:39 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:53 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Russellville?

In Russellville, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Russellville, MO

Average temperature in September - Russellville, MO
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Russellville, MO

Average pressure in September - Russellville, 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 (29.92"Hg).

Average wind speed in September
Russellville, MO

Average wind speed in September - Russellville, MO
  • Average wind speed in September: 6.5mph

The windiest months (with the highest average wind speed) are January and March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in September
Russellville, MO

Average humidity in September - Russellville, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Russellville, MO

Average rainfall in September - Russellville, MO
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in September
Russellville, MO

Average rainfall days in September - Russellville, MO
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is December (6.6 days).

Average snowfall in September
Russellville, MO

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

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Russellville, MO

Average snowfall days in September - Russellville, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Russellville, MO

Average daylight in September / Average sunshine in September - Russellville, MO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Russellville, MO

Average sunshine days in September - Russellville, MO
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in September
Russellville, MO

Average UV index in September - Russellville, MO
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Russellville, MO

Average cloud cover in September - Russellville, MO
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Russellville, MO

Average visibility in September - Russellville, 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).

Russellville, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location