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
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 75.2°F (24°C) in August to a refreshing 67.1°F (19.5°C). Ashland witnesses a consistent average low-temperature of 50.9°F (10.5°C) throughout September.Humidity
The average relative humidity in September is 77%.Rainfall
In September, in Ashland, the rain falls for 13 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. In Ashland, 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 Ashland, in September, the average water temperature is 56.1°F (13.4°C).Note: Danger awaits those who swim in 56.1°F (13.4°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
In Ashland, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:42 pm. On the last day of September, in Ashland, sunrise is at 7:01 am and sunset at 6:44 pm CDT.
Sunshine
In September, the average sunshine in Ashland is 8.6h.UV index
In Ashland, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Ashland?
What is the average humidity in September in Ashland?
How many days does it rain in September in Ashland?
When it does not snow in Ashland?
Does it snow in Ashland in September?
What is the water temperature in September in Ashland?
What is the average length of the day in September in Ashland?
When are sunrise and sunset in September in Ashland?
How long on average sun shines in September in Ashland?
How high is the UV index in September in Ashland?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
Average daylight in September /
Average sunshine in September
Ashland, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 4min
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).
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).
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).
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).
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).
Ashland, Wisconsin, USA
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