September weather forecastDelphos, OH
September
Weather in September
September, the first month of the autumn in Delphos, is also a moderately hot month, with an average temperature fluctuating between 73.8°F (23.2°C) and 55.6°F (13.1°C).Temperature
As September unfolds, the average high-temperature reaches a still moderately hot 73.8°F (23.2°C), hinting at a slight fluctuation from the previous month. An average low-temperature of 55.6°F (13.1°C) is noted during the nights in September.Humidity
The average relative humidity in September is 79%.Rainfall
In Delphos, in September, it is raining for 10.5 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 130 rainfall days, and 12.52" (318mm) of precipitation is accumulated.Snowfall
In Delphos, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Delphos, sunrise is at 7:05 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:20 pm EDT.
Sunshine
In September, the average sunshine is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Delphos, OH
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Delphos, 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
Delphos, OH
- Average wind speed in September: 6.6mph
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 (6mph).
Average humidity in September
Delphos, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Delphos, OH
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Delphos, OH
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (15.8 days).
The months with the least rainy days are January and February (6.1 days).
Average snowfall in September
Delphos, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Delphos, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Delphos, 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 30min).
Average sunshine days in September
Delphos, OH
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Delphos, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Delphos, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Delphos, OH
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
