September weather forecast and climate
Richmond, KS

The first month of the autumn, September, is also a moderately hot month in Richmond, Kansas, with average temperature varying between 60.3°F (15.7°C) and 78.4°F (25.8°C).

Temperature

In Richmond, the average high-temperature marginally drops, from a warm 85.1°F (29.5°C) in August, to a still moderately hot 78.4°F (25.8°C). The average low-temperature, in Richmond, is 60.3°F (15.7°C).

Humidity

In September, the average relative humidity in Richmond is 75%.

Rainfall

In Richmond, in September, during 9 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 102.5 rainfall days, and 12.44" (316mm) of precipitation is accumulated.

Snowfall

April, June through September are months without snowfall in Richmond, Kansas.

Daylight

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

Sunshine

In Richmond, the average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the 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 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 Richmond?

In September, in Richmond, Kansas, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 60.3°F (15.7°C).

What is the average humidity in September in Richmond?

In September, the average relative humidity in Richmond is 75%.

How much does it rain in Richmond in September?

In Richmond, Kansas, in September, it is raining for 9 days, with typically 0.94" (24mm) of accumulated precipitation.

Does it snow in Richmond in September?

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

When it does not snow in Richmond?

April, June through September are months without snowfall.

How many hours of daylight does Richmond have in September?

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

How long on average sun shines in September in Richmond?

In September, the average sunshine is 9.1h.

What is the UV index reading in September in Richmond?

The average daily maximum UV index in September in Richmond, Kansas, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Richmond, KS
  • Average high temperature in September: 78.4°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in September: 60.3°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in September - Richmond, KS
  • Average pressure in September: 30"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.89").

Average wind speed in September - Richmond, KS
  • Average wind speed in September: 7.9mph

The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

Average humidity in September - Richmond, KS
  • Average humidity in September: 75%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (69%).

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

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (0.31").

Average rainfall days in September - Richmond, KS
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is January (3.5 days).

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

The month with the highest snowfall is February (0.75").
Months with the least snowfall are April, June, July, August and September (0").

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

The month with the highest number of snowfall days is February (3.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Richmond, 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: 9.5h).

  • Average sunshine in September: 9.1h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 5.4h).

Average sunshine days in September - Richmond, KS
  • Average sunshine days in September: 18.2 days

The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is May (15.3 days).

Average UV index in September - Richmond, 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 - Richmond, KS
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 24).

Average visibility in September - Richmond, 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).