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
September welcomes an average high-temperature of a still moderately hot 79.9°F (26.6°C), not much different from the preceding month. Grandview reports an average low-temperature of 61°F (16.1°C) during the nights of September.Humidity
In Grandview, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall in Grandview. Rain falls for 11.9 days and accumulates 1.46" (37mm) of precipitation.Snowfall
May through October are months without snowfall in Grandview.Daylight
In September, the average length of the day in Grandview is 12h and 25min.On the first day of September in Grandview, sunrise is at 6:18 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:31 pm CDT.
Sunshine
In Grandview, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the usual temperature for Grandview in September?
What is the average humidity in September in Grandview?
What is the driest month in Grandview?
How many days does it rain in September in Grandview?
When it does not snow in Grandview?
How many hours of daylight does Grandview have in September?
When are sunrise and sunset in September in Grandview?
How many hours of sunshine does Grandview have in September?
What is the UV index reading in September in Grandview?
Average temperature in September
Grandview, IN
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Grandview, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Grandview, IN
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in September
Grandview, IN
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Grandview, IN
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is April (3.86").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Grandview, IN
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Grandview, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Grandview, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grandview, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Grandview, IN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in September
Grandview, IN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Grandview, IN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in September
Grandview, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Grandview, Indiana, USA
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