September weather forecast and climate
Seneca, KS

The first month of the autumn, September, is also a moderately hot month in Seneca, Kansas, with average temperature ranging between min 58.3°F (14.6°C) and max 78.4°F (25.8°C).

Temperature

In Seneca, the average high-temperature in September slightly decreases, from a warm 84.7°F (29.3°C) in August, to a still moderately hot 78.4°F (25.8°C). In Seneca, the average low-temperature is 58.3°F (14.6°C).

Humidity

In September, the average relative humidity in Seneca is 72%.

Rainfall

In Seneca, it is raining for 11.4 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 113.5 rainfall days, and 19.65" (499mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Seneca.

Daylight

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

Sunshine

The average sunshine in September is 9.1h.

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 unsafe exposure to the UV radiation for the ordinary person.
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. 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 Seneca?

In Seneca, in September, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 58.3°F (14.6°C).

What is the average humidity in September in Seneca?

In Seneca, the average relative humidity in September is 72%.

How much does it rain in Seneca in September?

In Seneca, Kansas, in September, it is raining for 11.4 days, with typically 1.5" (38mm) of accumulated precipitation.

Does it snow in Seneca in September?

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

When it does not snow in Seneca?

In Seneca snow does not fall in May through September.

How many hours of daylight does Seneca have in September?

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

How long on average sun shines in September in Seneca?

The average sunshine in September in Seneca is 9.1h.

What is the UV index intensity in September in Seneca?

In Seneca, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Seneca, KS
  • Average high temperature in September: 78.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in September: 58.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in September - Seneca, KS
  • Average pressure in September: 29.99"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.86").

Average wind speed in September - Seneca, KS
  • Average wind speed in September: 8.5mph

The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in September - Seneca, KS
  • Average humidity in September: 72%

The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is October (66%).

Average rainfall in September - Seneca, KS
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in September - Seneca, KS
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (3.8 days).

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

The month with the highest snowfall is January (1.61").
Months with the least snowfall are May, June, July, August and September (0").

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

Months with the highest number of snowfall days are January and February (5.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9.1h

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 - Seneca, KS
  • Average sunshine days in September: 17 days

The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is May (13.3 days).

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September - Seneca, KS
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 44).
Months with the least cloud cover are June and July (Cloud cover 26).

Average visibility in September - Seneca, 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).