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 enjoyable 67.1°F (19.5°C). Tripoli's average low-temperature in September is measured at a chilly 48.4°F (9.1°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Tripoli, in September, it is raining for 14.3 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, in Tripoli, Wisconsin, there are 124.1 rainfall days, and 24.61" (625mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Tripoli.Daylight
The average length of the day in September in Tripoli, Wisconsin, is 12h and 31min.On the first day of September in Tripoli, sunrise is at 6:22 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:41 pm CDT.
Sunshine
The average sunshine in September in Tripoli, Wisconsin, is 7.6h.UV index
In September, the average daily maximum UV index in Tripoli is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are the temperatures in Tripoli in September?
What is the average humidity in September in Tripoli?
How many days does it rain in September in Tripoli?
When it does not snow in Tripoli?
Does it snow in Tripoli in September?
How many hours of daylight does Tripoli have in September?
When are sunrise and sunset in September in Tripoli?
How long on average sun shines in September in Tripoli?
How high is the UV index in September in Tripoli?
Average temperature in September
Tripoli, WI
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (18.3°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).
Average pressure in September
Tripoli, WI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Tripoli, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Tripoli, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Tripoli, WI
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Tripoli, WI
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in September
Tripoli, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (8.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tripoli, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tripoli, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Tripoli, WI
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in September
Tripoli, WI
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Tripoli, WI
- Average cloud cover in September: 45
The months with the most cloud cover are January and February (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Tripoli, WI
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January and February (4mi).
Tripoli, Wisconsin, USA
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