September weather forecastClutier, IA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Clutier, Iowa, with an average temperature varying between 73.6°F (23.1°C) and 54.7°F (12.6°C).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a warm 79.2°F (26.2°C) in August to a still moderately hot 73.6°F (23.1°C). Clutier's average low-temperature in the month of September is recorded at a fresh 54.7°F (12.6°C).Humidity
In Clutier, the average relative humidity in September is 78%.Rainfall
In Clutier, in September, it is raining for 12.9 days, with typically 2.64" (67mm) of accumulated precipitation. In Clutier, during the entire year, the rain falls for 147.7 days and collects up to 31.06" (789mm) of precipitation.Snowfall
In Clutier, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:35 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:52 pm CDT.
Sunshine
In Clutier, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Clutier is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Ensure safety - Recommendations to avert sunburn are presented. Around midday, solar radiation is most harmful; hence, exposure should be limited. 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
Average temperature in September
Clutier, 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
Clutier, 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
Clutier, 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
Clutier, 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
Clutier, 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
Clutier, 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
Clutier, 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
Clutier, 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
Clutier, IA
- Average daylight in September: 12h and 30min
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 12min
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
Clutier, 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
Clutier, 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
Clutier, 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
Clutier, 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).
