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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 77.4°F (25.2°C) in August to an agreeable 69.4°F (20.8°C). September's average low-temperature reading settles at a fresh 51.8°F (11°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Suamico, during September, the rain falls for 11.8 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 125.6 rainfall days, and 24.53" (623mm) of precipitation is accumulated.Snowfall
In Suamico, snow does not fall in June through September.Daylight
In Suamico, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:34 pm CDT.
Sunshine
In Suamico, the average sunshine in September is 8.6h.UV index
In Suamico, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Suamico in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Suamico have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Suamico have in September?
How high is the UV index in September?
Average temperature in September
Suamico, WI
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in September
Suamico, WI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Suamico, WI
- Average wind speed in September: 7.9mph
The windiest months (with the highest average wind speed) are January, February and April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Suamico, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Suamico, WI
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in September
Suamico, WI
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Suamico, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Suamico, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Suamico, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Suamico, WI
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (18.1 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in September
Suamico, WI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Suamico, WI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Suamico, WI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Suamico, Wisconsin, USA
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