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
September reports an average high-temperature of a still moderately hot 73.6°F (23.1°C), slightly varied from August's 78.6°F (25.9°C). Hudson records an average low of 54.7°F (12.6°C) throughout the nights in September.Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. In Hudson, during the entire year, the rain falls for 132.9 days and collects up to 27.6" (701mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:35 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:52 pm CDT.
Sunshine
The average sunshine in September in Hudson, Iowa, is 9.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hudson in September?
What is the average humidity in September in Hudson?
How many days does it rain in September in Hudson?
When it does not snow in Hudson?
Does it snow in Hudson in September?
What is the average length of the day in September in Hudson?
What time are sunrise and sunset in September in Hudson?
How many hours of sunshine does Hudson have in September?
What is the UV index reading in September in Hudson?
Average temperature in September
Hudson, IA
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in September
Hudson, 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
Hudson, IA
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Hudson, 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 (71%).
Average rainfall in September
Hudson, IA
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Hudson, IA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Hudson, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hudson, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hudson, 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 6min).
- 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 48min).
Average sunshine days in September
Hudson, IA
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Hudson, IA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Hudson, IA
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in September
Hudson, 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).
Hudson, Iowa, USA
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