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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's tropical 87.8°F (31°C) to a warm 80.8°F (27.1°C). September nights are characterized by a notable drop from daytime highs, with an average low-temperature of 59°F (15°C).Heat index
For September, the heat index is appraised at 82.4°F (28°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
July and September, with an average relative humidity of 50%, are the least humid months in Saint Francis.Rainfall
In September, the rain falls for 9.9 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 103.5 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Saint Francis, the average length of the day in September is 12h and 26min.On the first day of September in Saint Francis, Kansas, sunrise is at 7:15 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 7:30 pm CDT.
Sunshine
In Saint Francis, Kansas, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Saint Francis is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the usual temperature for Saint Francis in September?
What are the least humid months in Saint Francis?
What is the average humidity in September in Saint Francis?
How much does it rain in Saint Francis in September?
When it does not snow in Saint Francis?
Does it snow in Saint Francis in September?
How many hours of daylight does Saint Francis have in September?
When is the sunrise / sunset in September in Saint Francis?
How many hours of sunshine does Saint Francis have in September?
What is the UV index reading in September in Saint Francis?
Average temperature in September
Saint Francis, KS
- Average high temperature in September: 80.8°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (40.6°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in September
Saint Francis, KS
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in September
Saint Francis, KS
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in September
Saint Francis, KS
- Average humidity in September: 50%
The months with the highest relative humidity are January, February and December (63%).
The months with the lowest relative humidity are July and September (50%).
Average rainfall in September
Saint Francis, KS
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Saint Francis, KS
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is December (3.3 days).
Average snowfall in September
Saint Francis, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Francis, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Francis, 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 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Saint Francis, KS
- Average sunshine days in September: 16.6 days
The months with the most sunshine days are November and December (23.3 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Saint Francis, 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
Saint Francis, KS
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 18).
Average visibility in September
Saint Francis, 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).
Saint Francis, Kansas, USA
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