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
As September commences, the average high-temperature subtly reduces, transitioning from 79.2°F (26.2°C) in August to a still warm 73.6°F (23.1°C). Erastus, during the month of September, experiences an average low-temperature of 56.1°F (13.4°C).Humidity
In Erastus, Ohio, the average relative humidity in September is 79%.Rainfall
In September, in Erastus, 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.Daylight
In Erastus, Ohio, the average length of the day in September is 12h and 27min.On the first day of September in Erastus, Ohio, sunrise is at 7:06 am and sunset at 8:10 pm. On the last day of the month, 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 value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are September temperatures in Erastus?
What is the average humidity in September in Erastus?
How much does it rain in Erastus in September?
When it does not snow in Erastus?
Does it snow in Erastus in September?
What is the average length of the day in September in Erastus?
When is the sunrise / sunset in September in Erastus?
How long on average sun shines in September in Erastus?
How high is the UV index in September in Erastus?
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 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 18min).
- Average sunshine in September: 7h and 5min
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).
Erastus, Ohio, USA
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