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 subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 85.6°F (29.8°C) to a still moderately hot 79.3°F (26.3°C). Coal Grove experiences a nighttime temperature average of 58.1°F (14.5°C) during September.Humidity
In September, the average relative humidity is 75%.Rainfall
In September, the rain falls for 10.4 days. Throughout September, 1.22" (31mm) of precipitation is accumulated. In Coal Grove, during the entire year, the rain falls for 146.5 days and collects up to 19.65" (499mm) of precipitation.Snowfall
In Coal Grove, snow does not fall in May through September.Daylight
In Coal Grove, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:00 am and sunset at 8:00 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 Coal Grove, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Coal Grove?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Coal Grove have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Coal Grove have in September?
How high is the UV index in September?
Average temperature in September
Coal Grove, OH
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Coal Grove, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Coal Grove, OH
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Coal Grove, OH
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Coal Grove, OH
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in September
Coal Grove, OH
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in September
Coal Grove, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Coal Grove, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 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
Coal Grove, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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 48min).
Average sunshine days in September
Coal Grove, OH
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in September
Coal Grove, 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 and December (UV index 2).
Average cloud cover in September
Coal Grove, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Coal Grove, OH
- Average visibility in September: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Coal Grove, Ohio, USA
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