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 introduction of September sees an average high-temperature of a still warm 74.3°F (23.5°C), hardly deviating from August. An average nighttime temperature of 55.9°F (13.3°C) is recorded during September.Humidity
The average relative humidity in September in Valley Brook is 79%.Rainfall
In Valley Brook, in September, during 12.9 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Valley Brook, Indiana, during the entire year, the rain falls for 157.1 days and collects up to 23.27" (591mm) of precipitation.Snowfall
In Valley Brook, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:15 pm. On the last day of September, in Valley Brook, Indiana, sunrise is at 7:39 am and sunset at 7:26 pm EDT.
Sunshine
In Valley Brook, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Valley Brook in September?
What is the average humidity in September in Valley Brook?
How much does it rain in Valley Brook in September?
When it does not snow in Valley Brook?
Does it snow in Valley Brook in September?
How many hours of daylight does Valley Brook have in September?
What time are sunrise and sunset in September in Valley Brook?
How many hours of sunshine does Valley Brook have in September?
What is the UV index reading in September in Valley Brook?
Average temperature in September
Valley Brook, IN
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (80.4°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 (63.9°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Valley Brook, 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
Valley Brook, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Valley Brook, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, July, August and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Valley Brook, IN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Valley Brook, IN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Valley Brook, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Valley Brook, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Valley Brook, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Valley Brook, IN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in September
Valley Brook, IN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Valley Brook, IN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Valley Brook, IN
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Valley Brook, Indiana, USA
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