September weather forecast
Franksville, WI

• 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

Average temperature in September
Franksville, WI

• Average high temperature in September: 69.1°F

The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (27.7°F).

• Average low temperature in September: 59.5°F

The month with the highest average low temperature is August (66°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in September
Franksville, 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
Franksville, WI

• Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in September
Franksville, 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
Franksville, WI

• Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is December (0.43").

Average rainfall days in September
Franksville, WI

• Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in September
Franksville, WI

• Average snowfall in September: 0"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Franksville, WI

• Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Franksville, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in September
Franksville, WI

• Average sunshine days in September: 16 days

The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is July (13.5 days).

Average UV index in September
Franksville, WI

• Average UV index in September: 4

The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Franksville, WI

• Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September
Franksville, 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).