September weather forecast and climate
Seward, KS

September, the first month of the autumn, in Seward, is also a moderately hot month, with average temperature fluctuating between 61.7°F (16.5°C) and 82°F (27.8°C).

Temperature

In September, the average high-temperature marginally drops, from a tropical 90.1°F (32.3°C) in August, to a warm 82°F (27.8°C). In September, in Seward, the average low-temperature is 61.7°F (16.5°C).

Heat index

The average heat index in September is evaluated at 84.7°F (29.3°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity 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 'real feel', 'apparent temperature', '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 (wind, metabolic differences, pregnancy), 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 particularly important for children. 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

The average relative humidity in Seward is 61%.

Rainfall

In September, in Seward, the rain falls for 12 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. In Seward, during the entire year, the rain falls for 113 days and collects up to 19.69" (500mm) of precipitation.

Snowfall

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

Daylight

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

Sunshine

In Seward, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 Seward?

The average high-temperature, in September, in Seward, Kansas, is 82°F (27.8°C), while the average low-temperature is 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines both air temperature and relative humidity, is evaluated at 84.7°F (29.3°C).

What is the average humidity in September in Seward?

In September, the average relative humidity in Seward, Kansas, is 61%.

How much does it rain in Seward in September?

In Seward, Kansas, in September, during 12 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

Does it snow in Seward in September?

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

When it does not snow in Seward?

In Seward snow does not fall in May through September.

How many hours of daylight does Seward have in September?

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

How long on average sun shines in September in Seward?

In Seward, the average sunshine in September is 8.9h.

What is the UV index reading in September in Seward?

In Seward, Kansas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Seward, KS
  • Average high temperature in September: 82°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (42.4°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 (25.7°F).

Average pressure in September - Seward, KS
  • Average pressure in September: 29.97"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.84").

Average wind speed in September - Seward, KS
  • Average wind speed in September: 10.9mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

Average humidity in September - Seward, KS
  • Average humidity in September: 61%

The month with the highest relative humidity is December (66%).
The month with the lowest relative humidity is July (56%).

Average rainfall in September - Seward, KS
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in September - Seward, KS
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (3.3 days).

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

The month with the highest snowfall is February (2.76").
Months with the least snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is February (5.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Seward, 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: 8.9h

The month with the most sunshine is June (Average sunshine: 11.4h).
The month with the least sunshine is December (Average sunshine: 6.2h).

Average sunshine days in September - Seward, KS
  • Average sunshine days in September: 15.3 days

Months with the most sunshine days are January and December (23.6 days).
The month with the least sunshine days is June (13 days).

Average UV index in September - Seward, 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 - Seward, KS
  • Average cloud cover in September: 23

Months with the most cloud cover are February, March and April (Cloud cover 34).
The month with the least cloud cover is June (Cloud cover 19).

Average visibility in September - Seward, 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).