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's onset brings a negligible change in high-temperatures, falling from a moderately hot 78.6°F (25.9°C) in August to a pleasant 71.2°F (21.8°C). Plymouth, in the month of September, anticipates a consistent average low-temperature of 53.6°F (12°C).Humidity
The average relative humidity in September is 73%.Rainfall
In September, in Plymouth, the rain falls for 11.4 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. Throughout the year, in Plymouth, there are 113.9 rainfall days, and 20.24" (514mm) of precipitation is accumulated.Snowfall
In Plymouth, snow does not fall in June through September.Daylight
In Plymouth, Minnesota, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:55 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Plymouth, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take precautions - Protection against skin and eye damage is obliged. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the usual temperature for Plymouth in September?
What is the average humidity in September in Plymouth?
How many days does it rain in September in Plymouth?
When it does not snow in Plymouth?
Does it snow in Plymouth in September?
How many hours of daylight does Plymouth have in September?
When are sunrise and sunset in September in Plymouth?
How long on average sun shines in September in Plymouth?
What is the UV index reading in September in Plymouth?
Average temperature in September
Plymouth, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in September
Plymouth, 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
Plymouth, MN
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Plymouth, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Plymouth, MN
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Plymouth, MN
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).
Average snowfall in September
Plymouth, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Plymouth, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Plymouth, MN
- Average daylight in September: 12h and 3min
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 4min
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 0min).
Average sunshine days in September
Plymouth, MN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Plymouth, 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
Plymouth, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Plymouth, 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).
Plymouth, Minnesota, USA
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