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
A mild drop in Morristown's average high-temperature is observed in September, transitioning from a warm 77.7°F (25.4°C) in August to an agreeable 72°F (22.2°C). During the month of September, Morristown anticipates a mean low-temperature of 52.7°F (11.5°C).Humidity
In Morristown, the average relative humidity in September is 76%.Rainfall
In Morristown, in September, it is raining for 11 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 112.2 rainfall days, and 15.98" (406mm) of precipitation is accumulated.Snowfall
In Morristown, snow does not fall in June through September.Daylight
In September, the average length of the day in Morristown, Minnesota, is 12h and 30min.On the first day of September in Morristown, Minnesota, sunrise is at 6:37 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:55 pm CDT.
Sunshine
In Morristown, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Morristown?
What is the average humidity in September in Morristown?
How many days does it rain in September in Morristown?
When it does not snow in Morristown?
Does it snow in Morristown in September?
How many hours of daylight does Morristown have in September?
When are sunrise and sunset in September in Morristown?
How many hours of sunshine does Morristown have in September?
What is the UV index intensity in September in Morristown?
Average temperature in September
Morristown, MN
- Average high temperature in September: 72°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 (21°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in September
Morristown, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Morristown, MN
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Morristown, MN
- Average humidity in September: 76%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Morristown, MN
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Morristown, MN
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Morristown, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Morristown, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Morristown, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 5min
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
Morristown, MN
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Morristown, 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 and November (UV index 1).
Average cloud cover in September
Morristown, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Morristown, 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).
Morristown, Minnesota, USA
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