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 arrival of September signals a subtle shift in temperature, down from a moderately hot 77.5°F (25.3°C) in August to an agreeable 70.9°F (21.6°C). September brings with it a nighttime average temperature of 50.9°F (10.5°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Melvina, in September, it is raining for 12.6 days, with typically 2.36" (60mm) of accumulated precipitation. In Melvina, during the entire year, the rain falls for 142.9 days and collects up to 29.13" (740mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Melvina, Wisconsin, is 12h and 29min.On the first day of September, sunrise is at 6:27 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:45 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index 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: In September, the UV index of 3 transforms into the following advice:
Act with care - The need to guard against sun damage is communicated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Melvina, WI
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in September
Melvina, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Melvina, WI
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Melvina, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Melvina, WI
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Melvina, WI
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Melvina, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Melvina, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Melvina, 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: 9h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Melvina, WI
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in September
Melvina, WI
- Average UV index in September: 3
The months with the highest UV index are May, 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
Melvina, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Melvina, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Melvina, Wisconsin, USA
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