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 includes a minor decrease in the average high-temperature, lightly dropping from a hot 89.1°F (31.7°C) to a warm 81.3°F (27.4°C). During the nights in September, Brookville observes an average low-temperature of 61.5°F (16.4°C).Heat index
In September, the heat index is appraised at 84.2°F (29°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In Brookville, the average relative humidity in September is 65%.Rainfall
In Brookville, during September, the rain falls for 10.7 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Brookville, there are 106.8 rainfall days, and 18.7" (475mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 7:01 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:15 pm CDT.
Sunshine
In Brookville, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Brookville 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 Brookville in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Brookville, KS
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in September
Brookville, 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
Brookville, KS
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in September
Brookville, KS
- Average humidity in September: 65%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is July (61%).
Average rainfall in September
Brookville, KS
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Brookville, KS
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Brookville, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brookville, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brookville, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Brookville, KS
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in September
Brookville, KS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Brookville, KS
- Average cloud cover in September: 24
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is June (Cloud cover 20).
Average visibility in September
Brookville, 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).
Brookville, Kansas, USA
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