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
September marks a gentle change in average high-temperature, declining from August's warm 75.4°F (24.1°C) to an enjoyable 67.5°F (19.7°C). Throughout the month of September, Dunbar witnesses an average low-temperature of 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 81%.Rainfall
In Dunbar, in September, it is raining for 11.5 days, with typically 1.89" (48mm) of accumulated precipitation. In Dunbar, during the entire year, the rain falls for 125.7 days and collects up to 21.06" (535mm) of precipitation.Snowfall
In Dunbar, snow does not fall in June through September.Daylight
The average length of the day in September in Dunbar, Wisconsin, is 12h and 31min.On the first day of September in Dunbar, sunrise is at 6:14 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:34 pm CDT.
Sunshine
In Dunbar, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Dunbar?
What is the average humidity in September in Dunbar?
How much does it rain in Dunbar in September?
When it does not snow in Dunbar?
Does it snow in Dunbar in September?
What is the average length of the day in September in Dunbar?
When are sunrise and sunset in September in Dunbar?
How many hours of sunshine does Dunbar have in September?
How high is the UV index in September in Dunbar?
Average temperature in September
Dunbar, WI
- Average high temperature in September: 67.5°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in September
Dunbar, WI
- Average pressure in September: 30.01"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
Dunbar, WI
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Dunbar, WI
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Dunbar, WI
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Dunbar, WI
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Dunbar, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dunbar, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dunbar, 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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in September
Dunbar, WI
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is August (16.1 days).
The month with the least sunshine days is January (11.9 days).
Average UV index in September
Dunbar, WI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Dunbar, WI
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Dunbar, WI
- Average visibility in September: 5mi
The months with the highest visibility are May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Dunbar, Wisconsin, USA
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