September weather forecast
Louisville, KS

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Weather in September

September, the first month of the autumn in Louisville, is also a moderately hot month, with an average temperature ranging between min 59.7°F (15.4°C) and max 79°F (26.1°C).

Temperature

A subtle shift in Louisville's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 85.8°F (29.9°C) to a still warm 79°F (26.1°C). Louisville, in the month of September, anticipates a consistent average low-temperature of 59.7°F (15.4°C).

Humidity

The average relative humidity in September is 71%.

Rainfall

In Louisville, during September, the rain falls for 12.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Louisville, Kansas, during the entire year, the rain falls for 123.7 days and collects up to 24.37" (619mm) of precipitation.

Snowfall

In Louisville, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:55 pm. On the last day of September, in Louisville, Kansas, sunrise is at 7:21 am and sunset at 7:08 pm CDT.

Sunshine

In Louisville, the average sunshine in September is 9h.

UV index

In Louisville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What is the temperature in September in Louisville?

In September, the average high-temperature and low-temperature in Louisville, Kansas, are 79°F (26.1°C) and 59.7°F (15.4°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 95°F (35°C).

What is the average humidity in September in Louisville?

In September, the average relative humidity in Louisville is 71%.

How much does it rain in Louisville in September?

In Louisville, in September, it is raining for 12.5 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow in Louisville?

May through September are months without snowfall in Louisville.

Does it snow in Louisville in September?

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

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

In Louisville, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September in Louisville?

On the first day of September in Louisville, sunrise is at 6:54 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:08 pm CDT.

How long on average sun shines in September in Louisville?

In Louisville, the average sunshine duration in September is 9h.

What is the UV index intensity in September in Louisville?

In Louisville, Kansas, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Louisville, KS

Average temperature in September - Louisville, 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).

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Average pressure in September
Louisville, KS

Average pressure in September - Louisville, KS
  • Average pressure in September: 29.99"Hg

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

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Average wind speed in September
Louisville, KS

Average wind speed in September - Louisville, 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).

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Average humidity in September
Louisville, KS

Average humidity in September - Louisville, 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%).

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Average rainfall in September
Louisville, KS

Average rainfall in September - Louisville, 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").

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Average rainfall days in September
Louisville, KS

Average rainfall days in September - Louisville, 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).

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Average snowfall in September
Louisville, KS

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

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

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Average snowfall days in September
Louisville, KS

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

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

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Average daylight in September /
Average sunshine in September
Louisville, KS

Average daylight in September / Average sunshine in September - Louisville, KS
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in September
Louisville, KS

Average sunshine days in September - Louisville, 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).

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Average UV index in September
Louisville, KS

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

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

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Average cloud cover in September
Louisville, KS

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

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

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Average visibility in September
Louisville, KS

Average visibility in September - Louisville, KS
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Louisville, Kansas, USA

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