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 transition into September subtly indicates a reduction in the average high-temperature, down to a still warm 78.4°F (25.8°C) from August's 85.5°F (29.7°C). In Lenexa, the September nights cool down to an average low of 59.9°F (15.5°C).Humidity
The average relative humidity in September is 74%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. Throughout the year, in Lenexa, there are 131.6 rainfall days, and 27.01" (686mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Lenexa, Kansas.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:48 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:02 pm CDT.
Sunshine
In Lenexa, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are September temperatures in Lenexa?
What is the average humidity in September in Lenexa?
How much does it rain in Lenexa in September?
When it does not snow in Lenexa?
Does it snow in Lenexa in September?
How many hours of daylight does Lenexa have in September?
When are sunrise and sunset in September in Lenexa?
How many hours of sunshine does Lenexa have in September?
What is the UV index intensity in September in Lenexa?
Average temperature in September
Lenexa, KS
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 59.9°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 (23°F).
Average pressure in September
Lenexa, KS
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Lenexa, KS
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are February, March and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Lenexa, KS
- Average humidity in September: 74%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Lenexa, KS
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Lenexa, KS
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Lenexa, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lenexa, 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 June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lenexa, 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Lenexa, KS
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Lenexa, 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
Lenexa, 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
Lenexa, 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).
Lenexa, Kansas, USA
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