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
With the onset of September, Lowell's average high-temperature slightly adjusts, moderately receding from August's warm 77°F (25°C) to an agreeable 70.3°F (21.3°C). During the month of September, the temperature generally drops to a low average of 51.4°F (10.8°C).Humidity
In Lowell, the average relative humidity in September is 82%.Rainfall
In Lowell, during September, the rain falls for 9.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Lowell, during the entire year, the rain falls for 112 days and collects up to 12.64" (321mm) of precipitation.Snowfall
In Lowell, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:37 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 3 transforms into the following advice:
Be vigilant - Preventing sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lowell in September?
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
Lowell, WI
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in September
Lowell, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Lowell, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Lowell, WI
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Lowell, WI
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (1.93").
The driest months (with the least rainfall) are January and February (0.47").
Average rainfall days in September
Lowell, WI
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is May (15 days).
The months with the least rainy days are January and February (3.3 days).
Average snowfall in September
Lowell, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lowell, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lowell, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Lowell, WI
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Lowell, WI
- Average UV index in September: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Lowell, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Lowell, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Lowell, Wisconsin, USA
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