September weather forecast and climate
Wallace, KS

The first month of the autumn, September, is still a warm month in Wallace, Kansas, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 81.9°F (27.7°C).

Temperature

In Wallace, the average high-temperature marginally drops, from a hot 89.4°F (31.9°C) in August, to a warm 81.9°F (27.7°C). In September, the average low-temperature is 60.4°F (15.8°C).

Heat index

In September, the average heat index is evaluated at 82.8°F (28.2°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, pregnancy, metabolic differences, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity is 51%.

Rainfall

In Wallace, during September, the rain falls for 10.2 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 93.7 rainfall days, and 13.54" (344mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Wallace, Kansas.

Daylight

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

Sunshine

In Wallace, the average sunshine in September is 9.2h.

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 the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Wallace?

In Wallace, Kansas, in September, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines air temperature and relative humidity, in September is estimated at 82.8°F (28.2°C).

What is the average humidity in September in Wallace?

In September, the average relative humidity is 51%.

How many days does it rain in September in Wallace?

In Wallace, during September, the rain falls for 10.2 days and regularly aggregates up to 1.26" (32mm) of precipitation.

Does it snow in Wallace in September?

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

When it does not snow in Wallace?

June through September are months without snowfall in Wallace.

How many hours of daylight does Wallace have in September?

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

How long on average sun shines in September in Wallace?

In Wallace, the average sunshine in September is 9.2h.

What is the UV index reading in September in Wallace?

In Wallace, 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 unsafe exposure to the Sun's UV rays.
Average temperature in September - Wallace, KS
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in September: 60.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).

Average pressure in September - Wallace, KS
  • Average pressure in September: 29.92"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.79").

Average wind speed in September - Wallace, KS
  • Average wind speed in September: 12.2mph

The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).

Average humidity in September - Wallace, KS
  • Average humidity in September: 51%

The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is June (46%).

Average rainfall in September - Wallace, KS
  • Average rainfall in September: 1.26"

The wettest months (with the highest rainfall) are May and June (2.13").
The driest months (with the least rainfall) are January and November (0.31").

Average rainfall days in September - Wallace, KS
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (2.2 days).

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

The month with the highest snowfall is December (1.5").
Months with the least snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is February (4.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Wallace, 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: 9.5h).

  • Average sunshine in September: 9.2h

The month with the most sunshine is June (Average sunshine: 11.6h).
The month with the least sunshine is December (Average sunshine: 6.5h).

Average sunshine days in September - Wallace, KS
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is January (24.6 days).
The month with the least sunshine days is July (12.2 days).

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

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

Average cloud cover in September - Wallace, KS
  • Average cloud cover in September: 19

The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in September - Wallace, 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).