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
Lake City marks the start of September with an average high-temperature of a still moderately hot 74.3°F (23.5°C), hinting at a slight fluctuation from August's 79.2°F (26.2°C). Lake City records a consistent low-temperature of 55.2°F (12.9°C) during September nights.Humidity
The average relative humidity in September in Lake City is 75%.Rainfall
In Lake City, Iowa, in September, during 12.2 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, in Lake City, there are 128 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Lake City is 12h and 28min.On the first day of September, sunrise is at 6:45 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:01 pm CDT.
Sunshine
In Lake City, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Lake City is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lake City in September?
What is the average humidity in September in Lake City?
How much does it rain in Lake City in September?
When it does not snow in Lake City?
Does it snow in Lake City in September?
How many hours of daylight does Lake City have in September?
When is the sunrise / sunset in September in Lake City?
How many hours of sunshine does Lake City have in September?
What is the UV index intensity in September in Lake City?
Average temperature in September
Lake City, IA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in September
Lake City, IA
- Average pressure in September: 30.01"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).
Average wind speed in September
Lake City, IA
- Average wind speed in September: 8.5mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in September
Lake City, IA
- Average humidity in September: 75%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in September
Lake City, IA
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Lake City, IA
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Lake City, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lake City, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lake City, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Lake City, IA
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Lake City, IA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Lake City, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in September
Lake City, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Lake City, Iowa, USA
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