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's onset records a minor alteration in the average high-temperature to a still warm 73.8°F (23.2°C) from August's 79°F (26.1°C). Grass Creek anticipates an average minimum temperature of 55.9°F (13.3°C) in the month of September.Humidity
In Grass Creek, Indiana, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 10.1 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. In Grass Creek, during the entire year, the rain falls for 129.2 days and collects up to 15.04" (382mm) of precipitation.Snowfall
May through September are months without snowfall in Grass Creek, Indiana.Daylight
In Grass Creek, the average length of the day in September is 12h and 27min.On the first day of September in Grass Creek, sunrise is at 7:13 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:28 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
In Grass Creek, Indiana, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the usual temperature for Grass Creek in September?
What is the average humidity in September in Grass Creek?
How much does it rain in Grass Creek in September?
When it does not snow in Grass Creek?
Does it snow in Grass Creek in September?
What is the average length of the day in September in Grass Creek?
When are sunrise and sunset in September in Grass Creek?
How many hours of sunshine does Grass Creek have in September?
What is the UV index intensity in September in Grass Creek?
Average temperature in September
Grass Creek, IN
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Grass Creek, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Grass Creek, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Grass Creek, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Grass Creek, IN
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are February and December (0.79").
Average rainfall days in September
Grass Creek, IN
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in September
Grass Creek, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Grass Creek, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Grass Creek, IN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 0min
The months with the most sunshine are June and July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Grass Creek, IN
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
Grass Creek, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Grass Creek, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Grass Creek, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Grass Creek, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location
