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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 85.6°F (29.8°C) to a still moderately hot 77.9°F (25.5°C). Nighttime temperatures throughout September in Alden register a significant deviation from the day's highs, averaging at a mild 55.6°F (13.1°C).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 48%.Rainfall
In Alden, during September, the rain falls for 8.3 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 109.2 rainfall days, and 15.31" (389mm) of precipitation is accumulated.Snowfall
In Alden, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:35 pm MDT.
Sunshine
The average sunshine in September in Alden, Nebraska, is 10.4h.UV index
In September, the average daily maximum UV index in Alden is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Alden?
What are the least humid months in Alden?
What is the average humidity in September in Alden?
How much does it rain in Alden in September?
When it does not snow in Alden?
Does it snow in Alden in September?
What is the average length of the day in September in Alden?
When is the sunrise / sunset in September in Alden?
How many hours of sunshine does Alden have in September?
How high is the UV index in September in Alden?
Average temperature in September
Alden, NE
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in September
Alden, NE
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Alden, NE
- Average wind speed in September: 10.4mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in September
Alden, NE
- Average humidity in September: 48%
The month with the highest relative humidity is January (70%).
The months with the lowest relative humidity are August and September (48%).
Average rainfall in September
Alden, NE
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Alden, NE
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is December (4.2 days).
Average snowfall in September
Alden, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alden, NE
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Alden, NE
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Alden, NE
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
Alden, 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
Alden, NE
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Alden, 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).
Alden, Nebraska, USA
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