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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 76.5°F (24.7°C) in August to an agreeable 68.2°F (20.1°C). An average low-temperature of 49.6°F (9.8°C) is recorded during the nights in September in Grand View.Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 124.9 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
In Grand View, 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, sunrise is at 6:25 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:45 pm CDT.
Sunshine
In Grand View, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 during September leads to these advisories:
Ensure safety - Recommendations to avert sunburn are presented. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the temperatures in Grand View in September?
What is the average humidity in September in Grand View?
How many days does it rain in September in Grand View?
When it does not snow in Grand View?
Does it snow in Grand View in September?
What is the average length of the day in September in Grand View?
When are sunrise and sunset in September in Grand View?
How many hours of sunshine does Grand View have in September?
What is the UV index intensity in September in Grand View?
Average temperature in September
Grand View, WI
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (17.6°F).
- Average low temperature in September: 49.6°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 (5.5°F).
Average pressure in September
Grand View, WI
- Average pressure in September: 30"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
Grand View, WI
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are April and November (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Grand View, WI
- Average humidity in September: 78%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Grand View, WI
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Grand View, WI
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Grand View, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Grand View, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grand View, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Grand View, WI
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is December (8.9 days).
Average UV index in September
Grand View, WI
- Average UV index in September: 3
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
Grand View, WI
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Grand View, WI
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Grand View, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location
