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 shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 75.7°F (24.3°C) to a refreshing 67.1°F (19.5°C). The average temperature during September nights is registered at a frosty 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In September, in Heafford Junction, the rain falls for 12.7 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Heafford Junction, Wisconsin, there are 132.2 rainfall days, and 23.15" (588mm) of precipitation is accumulated.Snowfall
In Heafford Junction, Wisconsin, snow does not fall in June through September.Daylight
In Heafford Junction, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:21 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:40 pm CDT.
Sunshine
In September, the average sunshine is 7.7h.UV index
The average daily maximum UV index in September in Heafford Junction is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are the temperatures in Heafford Junction in September?
What is the average humidity in September in Heafford Junction?
How much does it rain in Heafford Junction in September?
When it does not snow in Heafford Junction?
Does it snow in Heafford Junction in September?
What is the average length of the day in September in Heafford Junction?
When is the sunrise / sunset in September in Heafford Junction?
How long on average sun shines in September in Heafford Junction?
How high is the UV index in September in Heafford Junction?
Average temperature in September
Heafford Junction, WI
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Heafford Junction, WI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Heafford Junction, WI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Heafford Junction, WI
- Average humidity in September: 80%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Heafford Junction, WI
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Heafford Junction, WI
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Heafford Junction, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Heafford Junction, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heafford Junction, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Heafford Junction, WI
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (8 days).
Average UV index in September
Heafford Junction, WI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Heafford Junction, WI
- Average cloud cover in September: 45
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Heafford Junction, WI
- Average visibility in September: 5mi
The months with the highest visibility are May and October (6mi).
The months with the lowest visibility are January and February (4mi).
Heafford Junction, Wisconsin, USA
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