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 arrival of September corresponds with a light shift in temperature, down from 83.3°F (28.5°C) in August to a still moderately hot 77.4°F (25.2°C). McPaul records a mean low-temperature of 57.7°F (14.3°C) in September.Humidity
In McPaul, the average relative humidity in September is 72%.Rainfall
In McPaul, in September, it is raining for 11.6 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, in McPaul, Iowa, there are 125.7 rainfall days, and 26.73" (679mm) of precipitation is accumulated.Snowfall
In McPaul, Iowa, snow does not fall in May through September.Daylight
In McPaul, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:55 pm. On the last day of September, in McPaul, sunrise is at 7:19 am and sunset at 7:06 pm CDT.
Sunshine
In McPaul, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in McPaul?
What is the average humidity in September in McPaul?
How much does it rain in McPaul in September?
When it does not snow in McPaul?
Does it snow in McPaul in September?
How many hours of daylight does McPaul have in September?
What time are sunrise and sunset in September in McPaul?
How many hours of sunshine does McPaul have in September?
What is the UV index reading in September in McPaul?
Average temperature in September
McPaul, IA
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
McPaul, IA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
McPaul, IA
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
McPaul, IA
- Average humidity in September: 72%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
McPaul, IA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
McPaul, IA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
McPaul, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
McPaul, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
McPaul, IA
- Average daylight in September: 12h and 3min
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 18min).
- 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 54min).
Average sunshine days in September
McPaul, IA
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in September
McPaul, IA
- 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
McPaul, IA
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
McPaul, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
McPaul, Iowa, USA
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