September weather forecast and climate
Valley Falls, KS

September, the first month of the autumn, in Valley Falls, is still a warm month, with average temperature ranging between max 78.4°F (25.8°C) and min 59.2°F (15.1°C).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 85.1°F (29.5°C) in August, to a still warm 78.4°F (25.8°C). In September, the average low-temperature is 59.2°F (15.1°C).

Humidity

In Valley Falls, the average relative humidity in September is 73%.

Rainfall

In September, the rain falls for 11.1 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in Valley Falls, there are 111.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.

Snowfall

In Valley Falls, Kansas, snow does not fall in June through September.

Daylight

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

Sunshine

The average sunshine in September is 9h.

UV index

The average daily maximum UV index in Valley Falls is 5. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What is the temperature in September in Valley Falls?

In September, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 59.2°F (15.1°C).

What is the average humidity in September in Valley Falls?

The average relative humidity in September in Valley Falls is 73%.

How much does it rain in Valley Falls in September?

In September, in Valley Falls, the rain falls for 11.1 days. Throughout September, 1.77" (45mm) of precipitation is accumulated.

Does it snow in Valley Falls in September?

In Valley Falls, Kansas, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Valley Falls?

In Valley Falls, Kansas, snow does not fall in June through September.

How many hours of daylight does Valley Falls have in September?

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

How many hours of sunshine does Valley Falls have in September?

In Valley Falls, Kansas, the average sunshine in September is 9h.

What is the UV index intensity in September in Valley Falls?

In Valley Falls, Kansas, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Valley Falls, KS
  • Average high temperature in September: 78.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September - Valley Falls, KS
  • Average pressure in September: 29.99"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.87").

Average wind speed in September - Valley Falls, KS
  • Average wind speed in September: 8.2mph

The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in September - Valley Falls, KS
  • Average humidity in September: 73%

Months with the highest relative humidity are May and June (77%).
Months with the lowest relative humidity are October and November (68%).

Average rainfall in September - Valley Falls, KS
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is May (2.8").
The driest months (with the least rainfall) are January and December (0.51").

Average rainfall days in September - Valley Falls, KS
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in September - Valley Falls, KS
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.85").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in September - Valley Falls, KS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Valley Falls, KS
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9h

Months with the most sunshine are June and July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 5.2h).

Average sunshine days in September - Valley Falls, KS
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is December (24.1 days).
The month with the least sunshine days is May (13.5 days).

Average UV index in September - Valley Falls, KS
  • Average UV index in September: 5

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

Average cloud cover in September - Valley Falls, KS
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September - Valley Falls, KS
  • Average visibility in September: 6mi

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