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
In September, the average high-temperature marginally drops from a warm 77.5°F (25.3°C) in August to an agreeable 69.4°F (20.8°C). In September, the recorded average low-temperature in Rock Creek, Minnesota, is a fresh 51.1°F (10.6°C).Humidity
In Rock Creek, the average relative humidity in September is 77%.Rainfall
In September, in Rock Creek, the rain falls for 10.7 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 118.5 rainfall days, and 20.55" (522mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Rock Creek, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:49 pm. On the last day of September, in Rock Creek, sunrise is at 7:09 am and sunset at 6:53 pm CDT.
Sunshine
In Rock Creek, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Rock Creek is 4. 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: A daily high UV index of 4 in September leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Rock Creek?
What is the average humidity in September in Rock Creek?
How many days does it rain in September in Rock Creek?
When it does not snow in Rock Creek?
Does it snow in Rock Creek in September?
What is the average length of the day in September in Rock Creek?
What time are sunrise and sunset in September in Rock Creek?
How long on average sun shines in September in Rock Creek?
What is the UV index intensity in September in Rock Creek?
Average temperature in September
Rock Creek, MN
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Rock Creek, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Rock Creek, MN
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in September
Rock Creek, MN
- Average humidity in September: 77%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in September
Rock Creek, MN
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Rock Creek, MN
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in September
Rock Creek, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rock Creek, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rock Creek, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Rock Creek, MN
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in September
Rock Creek, MN
- 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, February, November and December (UV index 1).
Average cloud cover in September
Rock Creek, MN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Rock Creek, MN
- 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).
Rock Creek, Minnesota, USA
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