September weather forecastRhinelander, WI
September
Weather in September
September, the first month of the autumn in Rhinelander, is also an enjoyable month, with an average temperature ranging between min 48.4°F (9.1°C) and max 67.1°F (19.5°C).Temperature
With the arrival of September, Rhinelander notices a mild change in the average high-temperature, sliding from August's moderately hot 75.2°F (24°C) to an enjoyable 67.1°F (19.5°C). September brings with it a nighttime average temperature of 48.4°F (9.1°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Rhinelander, in September, during 13.3 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Rhinelander, during the entire year, the rain falls for 125.3 days and collects up to 22.87" (581mm) of precipitation.Snowfall
In Rhinelander, snow does not fall in June through September.Daylight
The average length of the day in September in Rhinelander is 12h and 31min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:39 pm CDT.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Rhinelander, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rhinelander, WI
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in September
Rhinelander, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Rhinelander, WI
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are April and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Rhinelander, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Rhinelander, WI
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Rhinelander, WI
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Rhinelander, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (8.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rhinelander, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rhinelander, WI
- Average daylight in September: 12h and 30min
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: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Rhinelander, WI
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (14.3 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Rhinelander, WI
- Average UV index in September: 3
The months with the highest UV index are 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
Rhinelander, WI
- Average cloud cover in September: 45
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Rhinelander, WI
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January and February (4mi).
