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 sea temperature 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
Manitowoc records a mild change in average high-temperature during September, easing from a moderately hot 73.9°F (23.3°C) in August to a refreshing 67.1°F (19.5°C). The average low-temperature during September nights is 56.5°F (13.6°C).Humidity
In Manitowoc, the average relative humidity in September is 79%.Rainfall
In Manitowoc, in September, during 9.7 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Manitowoc, during the entire year, the rain falls for 108.5 days and collects up to 10.67" (271mm) of precipitation.Snowfall
June through September are months without snowfall in Manitowoc.Ocean temperature
In September, the average ocean temperature in Manitowoc is 65.5°F (18.6°C).Note: For most, swimming in 65.5°F (18.6°C) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Manitowoc, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:32 pm CDT.
Sunshine
In Manitowoc, the average sunshine in September is 9.1h.UV index
In Manitowoc, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Manitowoc?
What is the average humidity in September in Manitowoc?
How much does it rain in Manitowoc in September?
When it does not snow in Manitowoc?
Does it snow in Manitowoc in September?
How cold is the water in September in Manitowoc?
How many hours of daylight does Manitowoc have in September?
When is the sunrise / sunset in September in Manitowoc?
How long on average sun shines in September in Manitowoc?
What is the UV index reading in September in Manitowoc?
Average temperature in September
Manitowoc, WI
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Manitowoc, 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
Manitowoc, WI
- Average wind speed in September: 10mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in September
Manitowoc, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
Manitowoc, WI
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (1.34").
The driest months (with the least rainfall) are February and November (0.47").
Average rainfall days in September
Manitowoc, WI
- Average rainfall days in September: 9.7 days
The months with the highest number of rainy days are June and July (12.1 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Manitowoc, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Manitowoc, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Manitowoc, WI
- Average sea temperature in September: 65.5°F
The best month for swimming (with the highest average sea temperature) is August (69.7°F).
The coldest month (with the lowest average sea temperature) is February (36.6°F).
Average daylight in September /
Average sunshine in September
Manitowoc, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Manitowoc, WI
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in September
Manitowoc, 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, February and December (UV index 1).
Average cloud cover in September
Manitowoc, WI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Manitowoc, 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).
Manitowoc, Wisconsin, USA
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