September weather forecast
Ashland, WI

Weather in September

September, the first month of the autumn in Ashland, is still a comfortable month, with an average temperature ranging between max 67.1°F (19.5°C) and min 50.9°F (10.5°C).

Temperature

In September, the average high-temperature slightly decreases from a warm 75.2°F (24°C) in August to an enjoyable 67.1°F (19.5°C). In Ashland, the average low-temperature is 50.9°F (10.5°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Ashland, it is raining for 13 days, with typically 1.61" (41mm) of accumulated precipitation. In Ashland, Wisconsin, during the entire year, the rain falls for 121.6 days and collects up to 21.42" (544mm) of precipitation.

Snowfall

June through September are months without snowfall.

Ocean temperature

In September, the average ocean temperature in Ashland, Wisconsin, is 56.1°F (13.4°C).
Note: Swimming in 56.1°F (13.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Ashland, the average length of the day in September is 12h and 32min.
On the first day of September in Ashland, Wisconsin, sunrise is at 6:23 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:45 pm CDT.

Sunshine

The average sunshine in September in Ashland is 8.6h.

UV index

In September, the average daily maximum UV index in Ashland, Wisconsin, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in September in Ashland?

The average relative humidity in September is 77%.

How much does it rain in Ashland in September?

In September, in Ashland, the rain falls for 13 days. Throughout September, 1.61" (41mm) of precipitation is accumulated.

When it does not snow in Ashland?

June through September are months without snowfall in Ashland.

Does it snow in Ashland in September?

In Ashland, Wisconsin, in September, it doesn't snow. In October, it regularly snows.

What is the water temperature in September in Ashland?

In Ashland, Wisconsin, in September, the average water temperature is 56.1°F (13.4°C). Swimming in 56.1°F (13.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in September in Ashland?

In September, the average day length in Ashland, Wisconsin, is 12h and 32min.

When are sunrise and sunset in September in Ashland?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:43 pm. On the last day of the month, in Ashland, sunrise is at 7:01 am and sunset at 6:45 pm CDT.

How long on average sun shines in September in Ashland?

In Ashland, the average sunshine duration in September is 8.6h.

What is the UV index reading in September in Ashland?

The average daily maximum UV index in September in Ashland is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ashland, WI

Average temperature in September - Ashland, WI
  • Average high temperature in September: 67.1°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in September: 50.9°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

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Average pressure in September
Ashland, WI

Average pressure in September - Ashland, WI
  • Average pressure in September: 30"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).

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Average wind speed in September
Ashland, WI

Average wind speed in September - Ashland, WI
  • Average wind speed in September: 7.9mph

The windiest month (with the highest average wind speed) is November (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in September
Ashland, WI

Average humidity in September - Ashland, WI
  • Average humidity in September: 77%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in September
Ashland, WI

Average rainfall in September - Ashland, WI
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in September
Ashland, WI

Average rainfall days in September - Ashland, WI
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (3.2 days).

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Average snowfall in September
Ashland, WI

Average snowfall in September - Ashland, WI
  • Average snowfall in September: 0"

The month with the highest snowfall is December (7.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Ashland, WI

Average snowfall days in September - Ashland, WI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in September
Ashland, WI

Average sea temperature in September - Ashland, WI
  • Average sea temperature in September: 56.1°F

The best month for swimming (with the highest average sea temperature) is August (63.3°F).
The coldest month (with the lowest average sea temperature) is February (32.9°F).

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Average daylight in September /
Average sunshine in September
Ashland, WI

Average daylight in September / Average sunshine in September - Ashland, WI
  • Average daylight in September: 12h and 32min

The month with the longest days is June (Average daylight: 15h and 46min).
The month with the shortest days is December (Average daylight: 8h and 38min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in September
Ashland, WI

Average sunshine days in September - Ashland, WI
  • Average sunshine days in September: 15 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is December (9.8 days).

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Average UV index in September
Ashland, WI

Average UV index in September - Ashland, 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, November and December (UV index 1).

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Average cloud cover in September
Ashland, WI

Average cloud cover in September - Ashland, WI
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in September
Ashland, WI

Average visibility in September - Ashland, WI
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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