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 start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 82.8°F (28.2°C) in August to a still moderately hot 77°F (25°C). Indian Hill, in September, witnesses an average low-temperature of 58.3°F (14.6°C).Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.8 days and typically collects 0.31" (8mm) of precipitation.Snowfall
In Indian Hill, snow does not fall in May through October.Daylight
In Indian Hill, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:06 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:21 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Indian Hill, OH
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.3°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 (23.2°F).
Average pressure in September
Indian Hill, OH
- 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
Indian Hill, OH
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Indian Hill, OH
- Average humidity in September: 75%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Indian Hill, OH
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in September
Indian Hill, OH
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in September
Indian Hill, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Indian Hill, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 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
Indian Hill, OH
- 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 months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Indian Hill, OH
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is June (16 days).
Average UV index in September
Indian Hill, OH
- Average UV index in September: 4
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, November and December (UV index 2).
Average cloud cover in September
Indian Hill, OH
- 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
Indian Hill, OH
- 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).
Indian Hill, Ohio, USA
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