September weather forecast
Lawrence, KS

The green Lawrence Cty in Kansas, with a dense tree cover and a view of the road network and the state campus
The green Lawrence Cty in Kansas, with a dense tree cover and a view of the road network and the state campus

Weather in September

September, the first month of the autumn in Lawrence, is also a moderately hot month, with an average temperature varying between 59.5°F (15.3°C) and 78.8°F (26°C).

Temperature

In September, the average high-temperature marginally drops from a warm 85.6°F (29.8°C) in August to a still moderately hot 78.8°F (26°C). The average low-temperature, in September, is 59.5°F (15.3°C).

Humidity

The average relative humidity in September is 74%.

Rainfall

In Lawrence, Kansas, during September, the rain falls for 11.4 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 119.9 rainfall days, and 21.1" (536mm) of precipitation is accumulated.

Snowfall

April, June through September are months without snowfall in Lawrence.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:51 pm. On the last day of September, in Lawrence, Kansas, sunrise is at 7:16 am and sunset at 7:05 pm CDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Lawrence, Kansas, is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the average humidity in September in Lawrence?

In Lawrence, Kansas, the average relative humidity in September is 74%.

How much does it rain in Lawrence in September?

In Lawrence, Kansas, in September, it is raining for 11.4 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Lawrence?

April, June through September are months without snowfall.

Does it snow in Lawrence in September?

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

How many hours of daylight does Lawrence have in September?

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

When is the sunrise / sunset in September in Lawrence?

On the first day of September, sunrise is at 6:50 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:05 pm CDT.

How long on average sun shines in September in Lawrence?

In September, the average sunshine duration in Lawrence is 9.1h.

What is the UV index intensity in September in Lawrence?

In September, the average daily maximum UV index in Lawrence, Kansas, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lawrence, KS

Average temperature in September - Lawrence, KS
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in September
Lawrence, KS

Average pressure in September - Lawrence, KS
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Lawrence, KS

Average wind speed in September - Lawrence, KS
  • Average wind speed in September: 7.6mph

The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in September
Lawrence, KS

Average humidity in September - Lawrence, KS
  • Average humidity in September: 74%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (69%).

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Average rainfall in September
Lawrence, KS

Average rainfall in September - Lawrence, KS
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in September
Lawrence, KS

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

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in September
Lawrence, KS

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

The month with the highest snowfall is February (2.13").
The months with the least snowfall are April, June, July, August and September (0").

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Average snowfall days in September
Lawrence, KS

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

The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Lawrence, KS
  • Average daylight in September: 12h and 26min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in September: 9h and 6min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

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Average sunshine days in September
Lawrence, KS

Average sunshine days in September - Lawrence, KS
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is May (13.3 days).

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Average UV index in September
Lawrence, KS

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

The months with the highest UV index are May, June, July and August (UV index 6).
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
Lawrence, KS

Average cloud cover in September - Lawrence, KS
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 26).

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Average visibility in September
Lawrence, KS

Average visibility in September - Lawrence, 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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