September weather forecast and climate
Tresham, KS

September, the first month of the autumn, in Tresham, is still a warm month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 63.1°F (17.3°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 89.8°F (32.1°C) in August, to a moderately hot 82.8°F (28.2°C). In Tresham, Kansas, in September, the average low-temperature is 63.1°F (17.3°C).

Heat index

In September, the average heat index is evaluated at a hot 87.4°F (30.8°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 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, differences in body mass, height, and shape), and activity. 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. 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

The average relative humidity in September is 68%.

Rainfall

In Tresham, during September, the rain falls for 10.5 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Tresham, during the entire year, the rain falls for 101.6 days and collects up to 15.51" (394mm) of precipitation.

Snowfall

In Tresham snow does not fall in April through October.

Daylight

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

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Tresham, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the average person.
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 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 Tresham?

In September, in Tresham, Kansas, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines both air temperature and relative humidity, in September is estimated at 87.4°F (30.8°C).

What is the average humidity in September in Tresham?

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

How much does it rain in Tresham in September?

In Tresham, Kansas, during September, the rain falls for 10.5 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow in Tresham?

April through October are months without snowfall in Tresham.

How many hours of daylight does Tresham have in September?

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

How many hours of sunshine does Tresham have in September?

In Tresham, the average sunshine in September is 8.7h.

How high is the UV index in September in Tresham?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Tresham, KS
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 63.1°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in September - Tresham, KS
  • Average pressure in September: 29.98"

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 - Tresham, KS
  • Average wind speed in September: 9.1mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in September - Tresham, KS
  • Average humidity in September: 68%

The month with the highest relative humidity is May (76%).
Months with the lowest relative humidity are July, August and October (65%).

Average rainfall in September - Tresham, KS
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.31").

Average rainfall days in September - Tresham, KS
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is December (3.4 days).

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

The month with the highest snowfall is March (0.55").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is February (2.6 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 8.7h

Months with the most sunshine are July and August (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 6h).

Average sunshine days in September - Tresham, KS
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is May (15.6 days).

Average UV index in September - Tresham, 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 and December (UV index 2).

Average cloud cover in September - Tresham, KS
  • Average cloud cover in September: 27

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September - Tresham, 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).