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 signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 81°F (27.2°C) in August to a still warm 75.2°F (24°C). In Etna, the nighttime temperature averages to a refreshing 56.3°F (13.5°C) during September.Humidity
In September, the average relative humidity is 77%.Rainfall
September is the month with the least rainfall in Etna. Rain falls for 11.5 days and accumulates 1.02" (26mm) of precipitation.Snowfall
May through October are months without snowfall in Etna, Ohio.Daylight
The average length of the day in September in Etna is 12h and 26min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Etna?
What is the average humidity in September in Etna?
What is the driest month in Etna?
How much does it rain in Etna in September?
When it does not snow in Etna?
How many hours of daylight does Etna have in September?
What time are sunrise and sunset in September in Etna?
How many hours of sunshine does Etna have in September?
What is the UV index reading in September in Etna?
Average temperature in September
Etna, OH
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Etna, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Etna, OH
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in September
Etna, OH
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Etna, OH
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in September
Etna, OH
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Etna, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Etna, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.5 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
Etna, OH
- 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Etna, OH
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11 days).
Average UV index in September
Etna, OH
- Average UV index in September: 4
The months with the highest UV index are 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
Etna, OH
- 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 August (Cloud cover 30).
Average visibility in September
Etna, 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).
Etna, Ohio, USA
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