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
In Stockholm, the average high-temperature in September gently drops from a moderately hot 77.2°F (25.1°C) in August to an agreeable 70.9°F (21.6°C). The temperature lowers to an average of 51.6°F (10.9°C) during September nights.Humidity
In Stockholm, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 12.4 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 25.2" (640mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:50 pm CDT.
Sunshine
In September, the average sunshine in Stockholm is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Stockholm have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Stockholm, WI
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (20.5°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in September
Stockholm, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Stockholm, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Stockholm, WI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Stockholm, WI
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Stockholm, WI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Stockholm, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stockholm, WI
- 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
Stockholm, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Stockholm, WI
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Stockholm, WI
- 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
Stockholm, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Stockholm, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Stockholm, Wisconsin, USA
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