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
With the onset of September, the average high-temperature registers at a still moderately hot 73.9°F (23.3°C), subtly different from August's 79°F (26.1°C). In Newell, the nighttime temperature averages to a cool 55.2°F (12.9°C) during September.Humidity
The average relative humidity in September is 74%.Rainfall
In Newell, Iowa, in September, it is raining for 12.5 days, with typically 2.32" (59mm) of accumulated precipitation. In Newell, Iowa, during the entire year, the rain falls for 135.1 days and collects up to 26.73" (679mm) of precipitation.Snowfall
June through September are months without snowfall in Newell.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:02 pm CDT.
Sunshine
The average sunshine in September is 9.1h.UV index
In Newell, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are the temperatures in Newell in September?
What is the average humidity in September in Newell?
How many days does it rain in September in Newell?
When it does not snow in Newell?
Does it snow in Newell in September?
How many hours of daylight does Newell have in September?
When are sunrise and sunset in September in Newell?
How long on average sun shines in September in Newell?
What is the UV index reading in September in Newell?
Average temperature in September
Newell, IA
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Newell, IA
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Newell, IA
- Average wind speed in September: 8.8mph
The windiest months (with the highest average wind speed) are January and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Newell, IA
- Average humidity in September: 74%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in September
Newell, IA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Newell, IA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Newell, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Newell, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Newell, 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 month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Newell, IA
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Newell, 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 and February (UV index 1).
Average cloud cover in September
Newell, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Newell, IA
- 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).
Newell, Iowa, USA
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