Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a still warm 77.9°F (25.5°C) from a moderately hot 84.6°F (29.2°C). Leavenworth usually reports an average low-temperature of 59.2°F (15.1°C) during the month of September.Humidity
In Leavenworth, the average relative humidity in September is 75%.Rainfall
In September, the rain falls for 12.4 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. In Leavenworth, during the entire year, the rain falls for 130.5 days and collects up to 26.38" (670mm) of precipitation.Snowfall
In Leavenworth, snow does not fall in June through September.Daylight
The average length of the day in September in Leavenworth is 12h and 26min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:03 pm CDT.
Sunshine
In Leavenworth, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Leavenworth have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Leavenworth, KS
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in September
Leavenworth, KS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Leavenworth, KS
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Leavenworth, KS
- Average humidity in September: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Leavenworth, KS
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in September
Leavenworth, KS
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Leavenworth, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Leavenworth, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Leavenworth, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Leavenworth, KS
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Leavenworth, 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).
Average cloud cover in September
Leavenworth, KS
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Leavenworth, 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).
Leavenworth, Kansas, USA
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