September weather forecastSilver Bay, MN
September
Weather in September
September, the first month of the autumn in Silver Bay, is still a refreshing month, with an average temperature varying between 62.4°F (16.9°C) and 50.4°F (10.2°C).Temperature
September indicates a minor shift in the average high-temperature, from August's agreeable 70°F (21.1°C) to an enjoyable 62.4°F (16.9°C). Silver Bay observes an average nighttime temperature of 50.4°F (10.2°C) during September.Humidity
In Silver Bay, the average relative humidity in September is 80%.Rainfall
In Silver Bay, in September, it is raining for 12.8 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Silver Bay, there are 130 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Snowfall
In Silver Bay, snow does not fall in June through September.Daylight
In September, the average length of the day in Silver Bay is 12h and 33min.On the first day of September in Silver Bay, Minnesota, sunrise is at 6:25 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:45 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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
Average temperature in September
Silver Bay, MN
- Average high temperature in September: 62.4°F
The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in September
Silver Bay, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Silver Bay, MN
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Silver Bay, MN
- Average humidity in September: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Silver Bay, MN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in September
Silver Bay, MN
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Silver Bay, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Silver Bay, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Silver Bay, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Silver Bay, MN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (12 days).
Average UV index in September
Silver Bay, MN
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Silver Bay, MN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Silver Bay, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
