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
September's onset introduces a mild reduction in the average high-temperature, from a warm 77°F (25°C) in August to an agreeable 70.9°F (21.6°C). Otisville throughout September, records an average low-temperature of 52.5°F (11.4°C).Humidity
In Otisville, the average relative humidity in September is 80%.Rainfall
In Otisville, in September, during 9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Otisville, during the entire year, the rain falls for 106.7 days and collects up to 9.88" (251mm) of precipitation.Snowfall
In Otisville, snow does not fall in June through September.Daylight
In Otisville, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 7.7h.UV index
In Otisville, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September in Otisville?
When it does not snow in Otisville?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Otisville?
Average temperature in September
Otisville, MI
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Otisville, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Otisville, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Otisville, MI
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Otisville, MI
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Otisville, MI
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Otisville, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Otisville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Otisville, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Otisville, MI
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is September (19.4 days).
The months with the least sunshine days are February and May (14.5 days).
Average UV index in September
Otisville, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Otisville, MI
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Otisville, MI
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January and September (5mi).
Otisville, Michigan, USA
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