September weather forecastTwo Harbors, MN
September
Weather in September
September, the first month of the autumn in Two Harbors, is still a comfortable month, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 50.4°F (10.2°C).Temperature
September brings a slight decrease in temperature, down from an agreeable 72.3°F (22.4°C) in August to a refreshing 64.4°F (18°C). Two Harbors's average low-temperature is measured at a fresh 50.4°F (10.2°C) during September.Humidity
In Two Harbors, the average relative humidity in September is 79%.Rainfall
In Two Harbors, in September, during 12.2 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Two Harbors, during the entire year, the rain falls for 115 days and collects up to 21.5" (546mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:27 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:47 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Two Harbors, MN
- Average high temperature in September: 64.4°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is January (17.6°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in September
Two Harbors, 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
Two Harbors, MN
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Two Harbors, MN
- Average humidity in September: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Two Harbors, MN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Two Harbors, MN
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (14.7 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Two Harbors, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Two Harbors, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Two Harbors, MN
- Average daylight in September: 12h and 30min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Two Harbors, MN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in September
Two Harbors, 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
Two Harbors, MN
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Two Harbors, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
