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
The start of September involves a subtle temperature drop, shifting from a moderately hot 84.6°F (29.2°C) in August to a still warm 77.9°F (25.5°C). During September, Swanton records a consistent average nighttime temperature of 57.7°F (14.3°C).Humidity
In September, the average relative humidity in Swanton, Nebraska, is 69%.Rainfall
In Swanton, in September, during 12.2 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Swanton, during the entire year, the rain falls for 115.2 days and collects up to 22.56" (573mm) of precipitation.Snowfall
June through September are months without snowfall in Swanton.Daylight
In September, the average length of the day in Swanton, Nebraska, is 12h and 26min.On the first day of September in Swanton, sunrise is at 6:56 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:11 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September in Swanton is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Swanton in September?
What is the average humidity in September in Swanton?
How many days does it rain in September in Swanton?
When it does not snow in Swanton?
Does it snow in Swanton in September?
How many hours of daylight does Swanton have in September?
What time are sunrise and sunset in September in Swanton?
How many hours of sunshine does Swanton have in September?
What is the UV index intensity in September in Swanton?
Average temperature in September
Swanton, 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
Swanton, 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
Swanton, 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
Swanton, 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
Swanton, 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
Swanton, 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
Swanton, 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
Swanton, 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
Swanton, 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 18min).
- 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
Swanton, 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
Swanton, 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
Swanton, 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
Swanton, 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).
Swanton, Nebraska, USA
Weather forecast for your location
2. Allow the app to use your location