September weather forecast and climate
Mulvane, KS

September, the first month of the autumn, in Mulvane, is still a warm month, with average temperature ranging between min 63.1°F (17.3°C) and max 82°F (27.8°C).

Temperature

In September, the average high-temperature marginally drops, from a tropical 89.6°F (32°C) in August, to a moderately hot 82°F (27.8°C). In September, the average low-temperature is 63.1°F (17.3°C).

Heat index

In September, the average heat index is calculated to 85.6°F (29.8°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. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, differences in body mass, height, and shape, clothing, and activity influence one's weather impression. 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

In September, the average relative humidity in Mulvane is 66%.

Rainfall

In Mulvane, during 11.6 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Mulvane, during the entire year, the rain falls for 112.2 days and collects up to 21.85" (555mm) of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

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

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in Mulvane is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Mulvane?

In September, in Mulvane, Kansas, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 63.1°F (17.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that factores the actual air temperature with the relative humidity, in September is estimated at 85.6°F (29.8°C).

What is the average humidity in September in Mulvane?

In Mulvane, Kansas, the average relative humidity in September is 66%.

How much does it rain in Mulvane in September?

In September, in Mulvane, Kansas, the rain falls for 11.6 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

Does it snow in Mulvane in September?

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

When it does not snow in Mulvane?

April through September are months without snowfall.

How many hours of daylight does Mulvane have in September?

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

How many hours of sunshine does Mulvane have in September?

In Mulvane, Kansas, the average sunshine in September is 8.7h.

How high is the UV index in September in Mulvane?

In Mulvane, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Mulvane, KS
  • Average high temperature in September: 82°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 (43.5°F).

  • Average low temperature in September: 63.1°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in September - Mulvane, 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 (29.86").

Average wind speed in September - Mulvane, KS
  • Average wind speed in September: 9.4mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity in September - Mulvane, KS
  • Average humidity in September: 66%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (62%).

Average rainfall in September - Mulvane, KS
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (0.59").

Average rainfall days in September - Mulvane, KS
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.1 days).

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

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

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

The month with the highest number of snowfall days is February (3.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Mulvane, 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 June and July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 6h).

Average sunshine days in September - Mulvane, KS
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is December (24.3 days).
The month with the least sunshine days is May (14.7 days).

Average UV index in September - Mulvane, 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 - Mulvane, KS
  • Average cloud cover in September: 26

The month with the most cloud cover is March (Cloud cover 38).
Months with the least cloud cover are June and August (Cloud cover 21).

Average visibility in September - Mulvane, 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).