September weather forecastColumbia Heights, MN
September
Weather in September
September, the first month of the autumn in Columbia Heights, is still a pleasant month, with an average temperature fluctuating between 53.4°F (11.9°C) and 71.2°F (21.8°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's warm 78.6°F (25.9°C) to a pleasant 71.2°F (21.8°C). Nighttime temperatures hover around an average low of 53.4°F (11.9°C) in September.Humidity
In Columbia Heights, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 11.6 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in Columbia Heights, there are 120.1 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
In Columbia Heights, Minnesota, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:35 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:54 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Columbia Heights, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Columbia Heights, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in September
Columbia Heights, MN
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Columbia Heights, MN
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Columbia Heights, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Columbia Heights, MN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Columbia Heights, MN
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Columbia Heights, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Columbia Heights, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Columbia Heights, MN
- 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: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Columbia Heights, MN
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Columbia Heights, MN
- Average UV index in September: 4
The months with the highest UV index are June and 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
Columbia Heights, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Columbia Heights, 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).
