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
As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a warm 76.3°F (24.6°C) to a comfortable 67.1°F (19.5°C). The mean low-temperature during September nights is a chilly 49.5°F (9.7°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, in Poplar, the rain falls for 6.2 days. Throughout September, 0.35" (9mm) of precipitation is accumulated. Throughout the year, in Poplar, there are 55.7 rainfall days, and 4.33" (110mm) of precipitation is accumulated.Snowfall
In Poplar, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Poplar, sunrise is at 6:28 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:48 pm CDT.
Sunshine
In Poplar, the average sunshine in September is 8.2h.UV index
In Poplar, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the usual temperature for Poplar in September?
What is the average humidity in September in Poplar?
How many days does it rain in September in Poplar?
When it does not snow in Poplar?
Does it snow in Poplar in September?
What is the average length of the day in September in Poplar?
What time are sunrise and sunset in September in Poplar?
How long on average sun shines in September in Poplar?
What is the UV index reading in September in Poplar?
Average temperature in September
Poplar, WI
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (17.1°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (4.1°F).
Average pressure in September
Poplar, WI
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Poplar, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Poplar, WI
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Poplar, WI
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (0.67").
The driest months (with the least rainfall) are January and February (0.16").
Average rainfall days in September
Poplar, WI
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is May (7.9 days).
The month with the least rainy days is February (0.5 days).
Average snowfall in September
Poplar, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Poplar, WI
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Poplar, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Poplar, WI
- Average sunshine days in September: 21.9 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is April (19.9 days).
Average UV index in September
Poplar, 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
Poplar, WI
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Poplar, WI
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Poplar, Wisconsin, USA
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