September weather forecastAmes, NE
September
Weather in September
September, the first month of the autumn in Ames, is also a moderately hot month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 77°F (25°C).Temperature
September brings a minor shift in the average high-temperature, adjusting from a moderately hot 82.9°F (28.3°C) in August to a still warm 77°F (25°C). In the month of September, the temperature in Ames generally rests at an average low of 56.3°F (13.5°C).Humidity
In September, the average relative humidity is 71%.Rainfall
In Ames, in September, it is raining for 12.4 days, with typically 2.01" (51mm) of accumulated precipitation. In Ames, during the entire year, the rain falls for 127.2 days and collects up to 24.41" (620mm) of precipitation.Snowfall
In Ames, 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 September in Ames, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:09 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ames, NE
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in September
Ames, NE
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Ames, NE
- Average wind speed in September: 8.7mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Ames, NE
- Average humidity in September: 71%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Ames, NE
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Ames, NE
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Ames, NE
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ames, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ames, NE
- Average daylight in September: 12h and 30min
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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Ames, NE
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in September
Ames, 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
Ames, NE
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Ames, NE
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
