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
A minor decrease in the average high-temperature is observed during September, shifting from a warm 82.6°F (28.1°C) in August to a still moderately hot 76.8°F (24.9°C). Hidden Valley cools down to an average low-temperature of 58.5°F (14.7°C) throughout the month of September.Humidity
September and October, with an average relative humidity of 75%, are the least humid months in Hidden Valley.Rainfall
The month with the least rainfall in Hidden Valley is September, when the rain falls for 12.5 days and typically collects 1.38" (35mm) of precipitation.Snowfall
In Hidden Valley, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:09 pm. On the last day of September, in Hidden Valley, sunrise is at 7:35 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine in Hidden Valley is 8.4h.UV index
In September, the average daily maximum UV index in Hidden Valley is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Hidden Valley?
What are the least humid months in Hidden Valley?
What is the average humidity in September in Hidden Valley?
What is the driest month in Hidden Valley?
How much does it rain in Hidden Valley in September?
When it does not snow in Hidden Valley?
Does it snow in Hidden Valley in September?
How many hours of daylight does Hidden Valley have in September?
When is the sunrise / sunset in September in Hidden Valley?
How long on average sun shines in September in Hidden Valley?
How high is the UV index in September in Hidden Valley?
Average temperature in September
Hidden Valley, IN
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Hidden Valley, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Hidden Valley, IN
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Hidden Valley, IN
- Average humidity in September: 75%
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are September and October (75%).
Average rainfall in September
Hidden Valley, IN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in September
Hidden Valley, IN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Hidden Valley, IN
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hidden Valley, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.1 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
Hidden Valley, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Hidden Valley, IN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Hidden Valley, IN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Hidden Valley, 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 27).
Average visibility in September
Hidden Valley, 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).
Hidden Valley, Indiana, USA
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