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, falling from August's moderately hot 81°F (27.2°C) to an agreeable 71.8°F (22.1°C). Throughout the month of September, the nighttime temperature in Glyndon dips to an average of 52.7°F (11.5°C).Humidity
September is the least humid month, with an average relative humidity of 63%.Rainfall
In Glyndon, in September, during 8.9 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 102.5 rainfall days, and 17.17" (436mm) of precipitation is accumulated.Snowfall
In Glyndon, snow does not fall in June through September.Daylight
In Glyndon, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:46 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:07 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
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 ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake protective steps - Preventing sun damage is advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September in Glyndon?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September in Glyndon?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Glyndon, MN
- Average high temperature in September: 71.8°F
The warmest months (with the highest average high temperature) are July and August (81°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (2.7°F).
Average pressure in September
Glyndon, MN
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Glyndon, MN
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Glyndon, MN
- Average humidity in September: 63%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (63%).
Average rainfall in September
Glyndon, MN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Glyndon, MN
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Glyndon, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glyndon, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glyndon, MN
- Average daylight in September: 12h and 3min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Glyndon, MN
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is September (19.7 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Glyndon, 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 and December (UV index 1).
Average cloud cover in September
Glyndon, MN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in September
Glyndon, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Glyndon, Minnesota, USA
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