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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a moderately hot 79.2°F (26.2°C) in August to a still warm 73.6°F (23.1°C). Throughout the month of September, Traer witnesses an average low-temperature of 54.7°F (12.6°C).Humidity
In Traer, Iowa, the average relative humidity in September is 78%.Rainfall
In Traer, in September, during 12.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Traer, there are 147.7 rainfall days, and 31.06" (789mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Traer.Daylight
The average length of the day in September in Traer is 12h and 28min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:52 pm CDT.
Sunshine
In Traer, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Traer is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Traer in September?
What is the average humidity in September in Traer?
How much does it rain in Traer in September?
When it does not snow in Traer?
Does it snow in Traer in September?
What is the average length of the day in September in Traer?
What time are sunrise and sunset in September in Traer?
How many hours of sunshine does Traer have in September?
What is the UV index intensity in September in Traer?
Average temperature in September
Traer, IA
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in September
Traer, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Traer, IA
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Traer, IA
- Average humidity in September: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Traer, IA
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in September
Traer, IA
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Traer, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Traer, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Traer, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Traer, IA
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
Traer, IA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Traer, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Traer, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Traer, Iowa, USA
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