September weather forecast
Junction City, KS

Share

Weather in September

With September advances autumn into Junction City, Kansas, as the sweltering summer gradually withdraws. A significant drop in average maximum temperature marks the beginning of the delightful autumn season. Sunshine hours fall, and the city welcomes the comforting signs of change in the landscape. Heading into October, the September weather heralds the impending arrival of cooler days.

Temperature

A mild shift in the average high-temperature occurs in September, reducing from a tropical 87.4°F (30.8°C) in August to a moderately hot 79.7°F (26.5°C). An average nighttime temperature of 60.4°F (15.8°C) is witnessed throughout September.

Humidity

In Junction City, the average relative humidity in September is 68%.

Rainfall

In Junction City, in September, it is raining for 11.5 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 114.8 rainfall days, and 21.1" (536mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Junction City.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:56 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:11 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Junction City?

During September, Junction City experiences an average high-temperature of 79.7°F (26.5°C) and a low-temperature of 60.4°F (15.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 98.6°F (37°C).

What is the average humidity in September?

The average relative humidity in September is 68%.

How many days does it rain in September?

In Junction City, in September, during 11.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow?

In Junction City, snow does not fall in May through September.

Does it snow in September?

In Junction City, 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 26min.

What time are sunrise and sunset in September in Junction City?

On the first day of September in Junction City, sunrise is at 6:56 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:11 pm CDT.

How long on average sun shines in September in Junction City?

The average sunshine duration in September is 8.9h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from 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
Junction City, KS

Average temperature in September - Junction City, KS
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 60.4°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in September
Junction City, KS

Average pressure in September - Junction City, 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 (29.85"Hg).

Average wind speed in September
Junction City, KS

Average wind speed in September - Junction City, KS
  • Average wind speed in September: 9.6mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity in September
Junction City, KS

Average humidity in September - Junction City, KS
  • Average humidity in September: 68%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is October (64%).

Average rainfall in September
Junction City, KS

Average rainfall in September - Junction City, KS
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in September
Junction City, KS

Average rainfall days in September - Junction City, KS
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.7 days).

Average snowfall in September
Junction City, KS

Average snowfall in September - Junction City, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Junction City, KS

Average snowfall days in September - Junction City, KS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.8 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
Junction City, KS

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in September
Junction City, KS

Average sunshine days in September - Junction City, KS
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in September
Junction City, KS

Average UV index in September - Junction City, KS
  • Average UV index in September: 5

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

Average cloud cover in September
Junction City, KS

Average cloud cover in September - Junction City, KS
  • Average cloud cover in September: 26

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 22).

Average visibility in September
Junction City, KS

Average visibility in September - Junction City, 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).

Junction City, Kansas, USA

Weather forecast for your location

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