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 is characterized by a slight reduction in average high-temperature, easing from a warm 85.1°F (29.5°C) in August to a still moderately hot 78.3°F (25.7°C). The temperature notes a substantial fall from the daily peak to an average of 56.7°F (13.7°C) during September nights.Humidity
The average relative humidity in September is 66%.Rainfall
In September, the rain falls for 10.7 days. Throughout September, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 109.5 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Alda, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:01 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:16 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Alda have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Alda, NE
- Average high temperature in September: 78.3°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 (33.4°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Alda, NE
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Alda, NE
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in September
Alda, NE
- Average humidity in September: 66%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (61%).
Average rainfall in September
Alda, NE
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Alda, NE
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Alda, NE
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alda, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alda, 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 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Alda, NE
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in September
Alda, 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
Alda, NE
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Alda, 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).
Alda, Nebraska, USA
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