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 slight decrease in temperature, down from a warm 84.6°F (29.2°C) in August to a still moderately hot 77.9°F (25.5°C). Plymouth encounters an average low-temperature of 57.7°F (14.3°C) during September nights.Humidity
In September, the average relative humidity is 69%.Rainfall
In September, in Plymouth, the rain falls for 12.2 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Plymouth, there are 115.2 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Plymouth.Daylight
In September, the average length of the day in Plymouth is 12h and 26min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:59 pm. On the last day of September, in Plymouth, sunrise is at 7:24 am and sunset at 7:11 pm CDT.
Sunshine
In Plymouth, Nebraska, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Plymouth, Nebraska, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in 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 is the sunrise / sunset in September in Plymouth?
How many hours of sunshine does Plymouth have in September?
What is the UV index intensity in September in Plymouth?
Average temperature in September
Plymouth, NE
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Plymouth, NE
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Plymouth, NE
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Plymouth, NE
- Average humidity in September: 69%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (64%).
Average rainfall in September
Plymouth, NE
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Plymouth, NE
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Plymouth, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Plymouth, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Plymouth, NE
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Plymouth, NE
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Plymouth, NE
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Plymouth, NE
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Plymouth, NE
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Plymouth, Nebraska, USA
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