September weather forecast and climate
Spearville, KS

September, the first month of the autumn, in Spearville, is also a moderately hot month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 83.3°F (28.5°C).

Temperature

In Spearville, the average high-temperature slightly decreases, from a tropical 90.9°F (32.7°C) in August, to a warm 83.3°F (28.5°C). In September, the average low-temperature is 61.7°F (16.5°C).

Heat index

The average heat index in September is estimated at 85.6°F (29.8°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, metabolic differences, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity is 57%.

Rainfall

In Spearville, during September, the rain falls for 9.9 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Spearville, during the entire year, the rain falls for 95.4 days and collects up to 15.59" (396mm) of precipitation.

Snowfall

In Spearville snow does not fall in May through September.

Daylight

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

Sunshine

In Spearville, Kansas, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in Spearville is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Spearville?

In September, in Spearville, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 61.7°F (16.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, in September is appraised at 85.6°F (29.8°C).

What is the average humidity in September in Spearville?

The average relative humidity in September is 57%.

How much does it rain in Spearville in September?

In Spearville, Kansas, in September, during 9.9 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

Does it snow in Spearville in September?

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

When it does not snow in Spearville?

May through September are months without snowfall in Spearville, Kansas.

How many hours of daylight does Spearville have in September?

The average length of the day in September is 12.4h.

How many hours of sunshine does Spearville have in September?

The average sunshine in September in Spearville, Kansas, is 9.1h.

What is the UV index reading in September in Spearville?

The average daily maximum UV index in September in Spearville is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Spearville, KS
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in September: 61.7°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 (26.8°F).

Average pressure in September - Spearville, KS
  • Average pressure in September: 29.96"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.83").

Average wind speed in September - Spearville, KS
  • Average wind speed in September: 11.7mph

The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).

Average humidity in September - Spearville, KS
  • Average humidity in September: 57%

The month with the highest relative humidity is December (62%).
The month with the lowest relative humidity is July (52%).

Average rainfall in September - Spearville, KS
  • Average rainfall in September: 0.94"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (0.47").

Average rainfall days in September - Spearville, KS
  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is July (12.8 days).
Months with the least rainy days are January and December (2.5 days).

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

The month with the highest snowfall is February (2.52").
Months with the least snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is February (3.9 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 9.1h

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 - Spearville, KS
  • Average sunshine days in September: 17.3 days

Months with the most sunshine days are January and December (25.1 days).
The month with the least sunshine days is July (14.4 days).

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

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

Average cloud cover in September - Spearville, KS
  • Average cloud cover in September: 21

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

Average visibility in September - Spearville, 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).