September weather forecast
Rock, KS

Share

Weather in September

September, the first month of the autumn in Rock, is also a moderately hot month, with an average temperature ranging between max 81.7°F (27.6°C) and min 62.8°F (17.1°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 89.2°F (31.8°C) in August to a moderately hot 81.7°F (27.6°C). Rock's temperature drops to an average low of 62.8°F (17.1°C) during the nights of September.

Heat index

The heat index value during September is estimated at a hot 86°F (30°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In September, the average relative humidity in Rock, Kansas, is 68%.

Rainfall

In Rock, Kansas, in September, it is raining for 11.7 days, with typically 2.24" (57mm) of accumulated precipitation. In Rock, during the entire year, the rain falls for 117.5 days and collects up to 23.15" (588mm) of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

The average length of the day in September in Rock is 12h and 25min.
On the first day of the month, sunrise is at 6:59 am and sunset at 7:56 pm. On the last day of September, in Rock, sunrise is at 7:23 am and sunset at 7:12 pm CDT.

Sunshine

In Rock, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Rock in September?

The high-temperature, in September, in Rock, records 81.7°F (27.6°C), while the low-temperature is 62.8°F (17.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in September in Rock?

In September, the average relative humidity in Rock, Kansas, is 68%.

How many days does it rain in September in Rock?

In September, in Rock, Kansas, the rain falls for 11.7 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Rock?

April through September are months without snowfall in Rock, Kansas.

Does it snow in Rock in September?

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

What is the average length of the day in September in Rock?

In Rock, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Rock?

On the first day of September, sunrise is at 6:59 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:12 pm CDT.

How many hours of sunshine does Rock have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index intensity in September in Rock?

The average daily maximum UV index in September is 5. A UV Index 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
Rock, KS

Average temperature in September - Rock, KS
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in September
Rock, KS

Average pressure in September - Rock, KS
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Rock, KS

Average wind speed in September - Rock, KS
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in September
Rock, KS

Average humidity in September - Rock, KS
  • Average humidity in September: 68%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (65%).

Average rainfall in September
Rock, KS

Average rainfall in September - Rock, KS
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (0.59").

Average rainfall days in September
Rock, KS

Average rainfall days in September - Rock, KS
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in September
Rock, KS

Average snowfall in September - Rock, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in September
Rock, KS

Average snowfall days in September - Rock, KS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Rock, KS

Average daylight in September / Average sunshine in September - Rock, KS
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in September
Rock, KS

Average sunshine days in September - Rock, KS
  • Average sunshine days in September: 16 days

The months with the most sunshine days are January and December (24.2 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in September
Rock, KS

Average UV index in September - Rock, KS
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Rock, KS

Average cloud cover in September - Rock, KS
  • Average cloud cover in September: 26

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Rock, KS

Average visibility in September - Rock, KS
  • 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).

Rock, Kansas, USA

Weather forecast for your location

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