September weather forecast and climate
Onaga, KS

The first month of the autumn, September, is also a moderately hot month in Onaga, Kansas, with average temperature varying between 79°F (26.1°C) and 59.7°F (15.4°C).

Temperature

In Onaga, Kansas, the average high-temperature in September slightly decreases, from 85.8°F (29.9°C) in August, to a still moderately hot 79°F (26.1°C). In September, the average low-temperature is 59.7°F (15.4°C).

Humidity

In Onaga, the average relative humidity is 71%.

Rainfall

In September, in Onaga, the rain falls for 12.5 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. In Onaga, during the entire year, the rain falls for 123.7 days and collects up to 24.37" (619mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

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

Sunshine

In Onaga, the average sunshine is 9h.

UV index

In September, the average daily maximum UV index in Onaga is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 Onaga?

In September, in Onaga, Kansas, the average high-temperature is 79°F (26.1°C), and the average low-temperature is 59.7°F (15.4°C).

What is the average humidity in September in Onaga?

The average relative humidity in September is 71%.

How much does it rain in Onaga in September?

In Onaga, Kansas, in September, during 12.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

Does it snow in Onaga in September?

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

When it does not snow in Onaga?

May through September are months without snowfall in Onaga.

What is the average length of the day in September in Onaga?

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

How many hours of sunshine does Onaga have in September?

The average sunshine in September in Onaga is 9h.

How high is the UV index in September in Onaga?

The average daily maximum UV index in September in Onaga, Kansas, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Onaga, KS
  • Average high temperature in September: 79°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September - Onaga, 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 - Onaga, KS
  • Average wind speed in September: 8.9mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).

Average humidity in September - Onaga, KS
  • Average humidity in September: 71%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (65%).

Average rainfall in September - Onaga, KS
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (0.71").

Average rainfall days in September - Onaga, KS
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4 days).

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

The month with the highest snowfall is February (1.81").
Months with the least snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is February (5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Onaga, 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: 9.4h).

  • Average sunshine in September: 9h

Months with the most sunshine are June and July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 5.6h).

Average sunshine days in September - Onaga, KS
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (13 days).

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

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

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

The month with the most cloud cover is March (Cloud cover 42).
Months with the least cloud cover are June, July and August (Cloud cover 24).

Average visibility in September - Onaga, 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).