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 start of September involves a subtle temperature drop, shifting from a warm 78.4°F (25.8°C) in August to a pleasant 72.3°F (22.4°C). In September, Sherrill experiences an average nighttime temperature of 53.2°F (11.8°C).Humidity
The average relative humidity in September in Sherrill is 80%.Rainfall
In Sherrill, in September, it is raining for 11.8 days, with typically 2.28" (58mm) of accumulated precipitation. In Sherrill, Iowa, during the entire year, the rain falls for 139.8 days and collects up to 24.88" (632mm) of precipitation.Snowfall
May through September are months without snowfall in Sherrill.Daylight
In Sherrill, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:45 pm CDT.
Sunshine
In Sherrill, the average sunshine in September is 9.1h.UV index
In Sherrill, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the temperature in September in Sherrill?
What is the average humidity in September in Sherrill?
How many days does it rain in September in Sherrill?
When it does not snow in Sherrill?
Does it snow in Sherrill in September?
What is the average length of the day in September in Sherrill?
What time are sunrise and sunset in September in Sherrill?
How many hours of sunshine does Sherrill have in September?
What is the UV index reading in September in Sherrill?
Average temperature in September
Sherrill, IA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in September
Sherrill, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Sherrill, IA
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Sherrill, IA
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Sherrill, IA
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in September
Sherrill, IA
- Average rainfall days in September: 11.8 days
The months with the highest number of rainy days are May and June (18.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in September
Sherrill, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Sherrill, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sherrill, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Sherrill, IA
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Sherrill, IA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Sherrill, IA
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Sherrill, IA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Sherrill, Iowa, USA
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