September weather forecast
Russellville, IN

Share

Weather in September

September, the first month of the autumn in Russellville, is also a moderately hot month, with an average temperature fluctuating between 57.4°F (14.1°C) and 75.4°F (24.1°C).

Temperature

Russellville signifies an average high-temperature of a still warm 75.4°F (24.1°C) in September, closely mirroring the 79.9°F (26.6°C) of August. September brings with it a nighttime average temperature of 57.4°F (14.1°C) in Russellville.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Russellville, in September, during 11.5 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Russellville, Indiana, during the entire year, the rain falls for 144.1 days and collects up to 22.17" (563mm) of precipitation.

Snowfall

In Russellville, snow does not fall in May through September.

Daylight

The average length of the day in September in Russellville is 12h and 26min.
On the first day of the month, sunrise is at 7:16 am and sunset at 8:18 pm. On the last day of September, sunrise is at 7:43 am and sunset at 7:31 pm EDT.

Sunshine

In Russellville, the average sunshine in September is 8.2h.

UV index

In Russellville, Indiana, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 5 in September translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
[Resources]

Frequently asked questions

What is the average September temperature in Russellville?

September temperatures vary between a high-temperature of 75.4°F (24.1°C) and a low-temperature of 57.4°F (14.1°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in September in Russellville?

The average relative humidity in September in Russellville, Indiana, is 78%.

How much does it rain in Russellville in September?

In September, in Russellville, Indiana, the rain falls for 11.5 days. Throughout September, 1.34" (34mm) of precipitation is accumulated.

When it does not snow in Russellville?

In Russellville, Indiana, snow does not fall in May through September.

Does it snow in Russellville 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 in Russellville?

The average day length in September in Russellville is 12h and 26min.

What time are sunrise and sunset in September in Russellville?

On the first day of September in Russellville, Indiana, sunrise is at 7:16 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 7:31 pm EDT.

How long on average sun shines in September in Russellville?

In September, the average sunshine duration in Russellville, Indiana, is 8.2h.

What is the UV index reading in September in Russellville?

The average daily maximum UV index in September in Russellville, Indiana, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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, IN

Average temperature in September - Russellville, IN
  • Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

[Resources]

Average pressure in September
Russellville, IN

Average pressure in September - Russellville, IN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in September
Russellville, IN

Average wind speed in September - Russellville, IN
  • Average wind speed in September: 7mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

[Resources]

Average humidity in September
Russellville, IN

Average humidity in September - Russellville, IN
  • Average humidity in September: 78%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

[Resources]

Average rainfall in September
Russellville, IN

Average rainfall in September - Russellville, IN
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is February (1.26").

[Resources]

Average rainfall days in September
Russellville, IN

Average rainfall days in September - Russellville, IN
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (19.1 days).
The months with the least rainy days are January and February (6.8 days).

[Resources]

Average snowfall in September
Russellville, IN

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

The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in September
Russellville, IN

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

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[Resources]

Average sunshine days in September
Russellville, IN

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

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.1 days).

[Resources]

Average UV index in September
Russellville, IN

Average UV index in September - Russellville, IN
  • 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, October, November and December (UV index 2).

[Resources]

Average cloud cover in September
Russellville, IN

Average cloud cover in September - Russellville, IN
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).

[Resources]

Average visibility in September
Russellville, IN

Average visibility in September - Russellville, IN
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

[Resources]

Russellville, Indiana, USA

Weather forecast for your location

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