September weather forecast and climate
Winchester, KS

The first month of the autumn, September, is also a moderately hot month in W"ter, Kansas, with average temperature fluctuating between 78.6°F (25.9°C) and 59.4°F (15.2°C).

Temperature

In September, the average high-temperature slightly decreases, from a warm 85.5°F (29.7°C) in August, to a still moderately hot 78.6°F (25.9°C). In September, in W"ter, the average low-temperature is 59.4°F (15.2°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

In W"ter, during September, the rain falls for 12.4 days and regularly aggregates up to 2.32" (59mm) of precipitation. In W"ter, during the entire year, the rain falls for 131.2 days and collects up to 25.47" (647mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In W"ter, the average length of the day in September is 12.4h.

Sunshine

In W"ter, Kansas, the average sunshine is 9.2h.

UV index

In W"ter, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 W"ter?

In September, in W"ter, Kansas, the average high-temperature is 78.6°F (25.9°C), and the average low-temperature is 59.4°F (15.2°C).

What is the average humidity in September in W"ter?

The average relative humidity in September is 75%.

How many days does it rain in September in W"ter?

In W"ter, in September, it is raining for 12.4 days, with typically 2.32" (59mm) of accumulated precipitation.

Does it snow in W"ter in September?

In W"ter, Kansas, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in W"ter?

In W"ter, Kansas, snow does not fall in May through September.

How many hours of daylight does W"ter have in September?

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

How long on average sun shines in September in W"ter?

In W"ter, the average sunshine in September is 9.2h.

What is the UV index intensity in September in W"ter?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Winchester, KS
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September - Winchester, KS
  • Average pressure in September: 30"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.88").

Average wind speed in September - Winchester, KS
  • Average wind speed in September: 7.5mph

The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in September - Winchester, KS
  • Average humidity in September: 75%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are October and November (69%).

Average rainfall in September - Winchester, KS
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in September - Winchester, KS
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (4.5 days).

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

The month with the highest snowfall is February (2.64").
Months with the least snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is February (5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Winchester, 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: 9.2h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 5.2h).

Average sunshine days in September - Winchester, KS
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (12.5 days).

Average UV index in September - Winchester, 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 - Winchester, 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 - Winchester, 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).