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
September brings a decrease in the average high-temperature, shifting from a moderately hot 77.2°F (25.1°C) in August to an enjoyable 67.3°F (19.6°C). Coleraine's nighttime temperature in September falls to an average of 47.5°F (8.6°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Coleraine, during September, the rain falls for 11.6 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, in Coleraine, there are 113.8 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Coleraine.Daylight
In Coleraine, Minnesota, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:53 pm. On the last day of September, in Coleraine, sunrise is at 7:12 am and sunset at 6:54 pm CDT.
Sunshine
In Coleraine, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Coleraine is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. 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. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are the temperatures in Coleraine in September?
What is the average humidity in September in Coleraine?
How much does it rain in Coleraine in September?
When it does not snow in Coleraine?
Does it snow in Coleraine in September?
How many hours of daylight does Coleraine have in September?
What time are sunrise and sunset in September in Coleraine?
How long on average sun shines in September in Coleraine?
What is the UV index intensity in September in Coleraine?
Average temperature in September
Coleraine, MN
- Average high temperature in September: 67.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (15.8°F).
- Average low temperature in September: 47.5°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (1.4°F).
Average pressure in September
Coleraine, MN
- Average pressure in September: 29.98"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
Coleraine, MN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Coleraine, MN
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Coleraine, MN
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in September
Coleraine, MN
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Coleraine, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Coleraine, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Coleraine, MN
- Average daylight in September: 12h and 3min
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 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Coleraine, MN
- Average sunshine days in September: 16.5 days
The months with the most sunshine days are August and September (16.5 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in September
Coleraine, 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
Coleraine, MN
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Coleraine, MN
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Coleraine, Minnesota, USA
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