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
At the start of September, Greenbriar's average high-temperature reaches a still moderately hot 75.6°F (24.2°C), subtly different from the preceding month. Greenbriar's temperature lowers to a mean of 57.9°F (14.4°C) during the nights in September.Humidity
In September, the average relative humidity is 77%.Rainfall
In Greenbriar, in September, it is raining for 14 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 158.4 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
In Greenbriar, snow does not fall in May through September.Daylight
In Greenbriar, the average length of the day in September is 12h and 26min.On the first day of September in Greenbriar, Indiana, sunrise is at 7:13 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:28 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index in Greenbriar is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the temperatures in Greenbriar in September?
What is the average humidity in September in Greenbriar?
How much does it rain in Greenbriar in September?
When it does not snow in Greenbriar?
Does it snow in Greenbriar in September?
How many hours of daylight does Greenbriar have in September?
When are sunrise and sunset in September in Greenbriar?
How long on average sun shines in September in Greenbriar?
What is the UV index intensity in September in Greenbriar?
Average temperature in September
Greenbriar, IN
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in September
Greenbriar, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Greenbriar, IN
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Greenbriar, IN
- Average humidity in September: 77%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Greenbriar, IN
- Average rainfall in September: 1.93"
The wettest months (with the highest rainfall) are April and May (3.43").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in September
Greenbriar, IN
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Greenbriar, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Greenbriar, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenbriar, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Greenbriar, IN
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in September
Greenbriar, IN
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Greenbriar, IN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Greenbriar, 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).
Greenbriar, Indiana, USA
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