September weather forecastKirby, OH
September
Weather in September
The first month of the autumn, September, is still a warm month in Kirby, Ohio, with an average temperature fluctuating between 73.4°F (23°C) and 55.4°F (13°C).Temperature
September reports an average high-temperature of a still warm 73.4°F (23°C), slightly varied from August's 78.6°F (25.9°C). Kirby, during September nights, observes an average temperature of 55.4°F (13°C).Humidity
In September, the average relative humidity in Kirby is 80%.Rainfall
In September, the rain falls for 14.7 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. In Kirby, during the entire year, the rain falls for 171.5 days and collects up to 28.86" (733mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September in Kirby, Ohio, sunrise is at 7:01 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September in Kirby is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kirby, OH
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Kirby, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Kirby, OH
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in September
Kirby, OH
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Kirby, OH
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in September
Kirby, OH
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Kirby, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Kirby, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kirby, OH
- Average daylight in September: 12h and 30min
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: 7h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Kirby, OH
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are February and May (9.3 days).
Average UV index in September
Kirby, OH
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Kirby, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Kirby, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).





