September weather forecastErastus, OH
September
Weather in September
September, the first month of the autumn in Erastus, is still a warm month, with an average temperature varying between 73.6°F (23.1°C) and 56.1°F (13.4°C).Temperature
Erastus's weather subtly changes with the onset of September, barely falling from 79.2°F (26.2°C) in August to a still moderately hot 73.6°F (23.1°C). Throughout September, the average low-temperature in Erastus dips to a refreshing 56.1°F (13.4°C).Humidity
In Erastus, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 14.1 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 162.3 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Erastus.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:10 pm. On the last day of September, in Erastus, sunrise is at 7:35 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine in Erastus is 7.9h.UV index
In Erastus, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Erastus, OH
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Erastus, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Erastus, OH
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Erastus, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Erastus, OH
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in September
Erastus, OH
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Erastus, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Erastus, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Erastus, OH
- Average daylight in September: 12h and 24min
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 18min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Erastus, OH
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in September
Erastus, OH
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Erastus, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Erastus, OH
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, August and September (5mi).
