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
Humboldt's weather in September involves a decrease in the average high-temperature, moving down from August's moderately hot 79.3°F (26.3°C) to a pleasant 68.9°F (20.5°C). In Humboldt, the average temperature during the nights of September drops to a cool 50.7°F (10.4°C).Humidity
In Humboldt, the average relative humidity in September is 64%.Rainfall
In September, in Humboldt, the rain falls for 10 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Humboldt, there are 100.4 rainfall days, and 15.91" (404mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Humboldt.Daylight
In Humboldt, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:46 am and sunset at 8:10 pm. On the last day of September, in Humboldt, Minnesota, sunrise is at 7:27 am and sunset at 7:08 pm CDT.
Sunshine
In September, the average sunshine in Humboldt is 8.5h.UV index
In Humboldt, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. When the Sun is at its strongest around midday, find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Humboldt?
What is the average humidity in September in Humboldt?
How much does it rain in Humboldt in September?
When it does not snow in Humboldt?
Does it snow in Humboldt in September?
How many hours of daylight does Humboldt have in September?
When are sunrise and sunset in September in Humboldt?
How long on average sun shines in September in Humboldt?
What is the UV index reading in September in Humboldt?
Average temperature in September
Humboldt, MN
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is January (13.6°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (-0.8°F).
Average pressure in September
Humboldt, MN
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Humboldt, MN
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is October (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in September
Humboldt, MN
- Average humidity in September: 64%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Humboldt, MN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in September
Humboldt, MN
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is June (16.2 days).
The months with the least rainy days are February and December (1.9 days).
Average snowfall in September
Humboldt, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Humboldt, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Humboldt, MN
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Humboldt, MN
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in September
Humboldt, MN
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Humboldt, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Humboldt, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Humboldt, Minnesota, USA
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