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
In September, the average high-temperature marginally drops from a moderately hot 75.7°F (24.3°C) in August to an agreeable 69.6°F (20.9°C). Saint Francis witnesses a consistent average low-temperature of 58.3°F (14.6°C) throughout September.Humidity
The average relative humidity in September is 77%.Rainfall
In Saint Francis, in September, it is raining for 12.1 days, with typically 1.54" (39mm) of accumulated precipitation. In Saint Francis, during the entire year, the rain falls for 131.9 days and collects up to 18.54" (471mm) of precipitation.Snowfall
May through September are months without snowfall in Saint Francis.Daylight
In Saint Francis, Wisconsin, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:33 pm CDT.
Sunshine
In September, the average sunshine in Saint Francis is 9.2h.UV index
In Saint Francis, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the temperature in September in Saint Francis?
What is the average humidity in September in Saint Francis?
How many days does it rain in September in Saint Francis?
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?
What time are sunrise and sunset in September in Saint Francis?
How long on average sun shines in September in Saint Francis?
What is the UV index reading in September in Saint Francis?
Average temperature in September
Saint Francis, WI
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Saint Francis, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Saint Francis, WI
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in September
Saint Francis, WI
- Average humidity in September: 77%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Saint Francis, WI
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Saint Francis, WI
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Saint Francis, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Saint Francis, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Francis, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Saint Francis, WI
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in September
Saint Francis, WI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Saint Francis, WI
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Saint Francis, WI
- 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, Wisconsin, USA
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