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
September's onset introduces a mild reduction in the average high-temperature, from a tropical 91.4°F (33°C) in August to a moderately hot 83.1°F (28.4°C). Throughout September, Freeport anticipates an average low-temperature of 64.8°F (18.2°C).Heat index
In September, the average heat index is calculated to be a hot 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.For clarity, heat index numbers account for light winds and areas under shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The average relative humidity in September in Freeport, Kansas, is 63%.Rainfall
In Freeport, during September, the rain falls for 13.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, in Freeport, there are 122.5 rainfall days, and 24.69" (627mm) of precipitation is accumulated.Snowfall
In Freeport, Kansas, snow does not fall in May through October.Daylight
In September, the average length of the day in Freeport is 12h and 25min.On the first day of September, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Freeport, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
How hot does it get in Freeport in September?
What is the average humidity in September in Freeport?
How much does it rain in Freeport in September?
When it does not snow in Freeport?
How many hours of daylight does Freeport have in September?
When is the sunrise / sunset in September in Freeport?
How many hours of sunshine does Freeport have in September?
What is the UV index reading in September in Freeport?
Average temperature in September
Freeport, KS
- Average high temperature in September: 83.1°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in September
Freeport, KS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Freeport, KS
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in September
Freeport, KS
- Average humidity in September: 63%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is July (57%).
Average rainfall in September
Freeport, KS
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in September
Freeport, KS
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Freeport, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Freeport, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Freeport, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Freeport, KS
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is January (24.6 days).
The month with the least sunshine days is August (13.1 days).
Average UV index in September
Freeport, KS
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Freeport, KS
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are June and August (Cloud cover 20).
Average visibility in September
Freeport, 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).
Freeport, Kansas, USA
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