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 brings a minor shift in the average high-temperature, adjusting from an agreeable 72°F (22.2°C) in August to a comfortable 66.4°F (19.1°C). An average low-temperature of 59.5°F (15.3°C), slightly less than the daytime peak, marks the month of September.Humidity
September through November, with an average relative humidity of 77%, are the least humid months.Rainfall
In September, the rain falls for 12.4 days. Throughout September, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 135.6 rainfall days, and 21.18" (538mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:55 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:12 pm EDT.
Sunshine
In Port Hope, the average sunshine in September is 8.3h.UV index
In Port Hope, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Port Hope in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September in Port Hope?
When it does not snow?
How many hours of daylight does Port Hope have in September?
When are sunrise and sunset in September in Port Hope?
How many hours of sunshine does Port Hope have in September?
What is the UV index reading in September?
Average temperature in September
Port Hope, MI
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is August (72°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Port Hope, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Port Hope, MI
- Average wind speed in September: 11.7mph
The windiest month (with the highest average wind speed) is December (15.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in September
Port Hope, MI
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are September, October and November (77%).
Average rainfall in September
Port Hope, MI
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in September
Port Hope, MI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is August (16.1 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Port Hope, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Port Hope, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 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
Port Hope, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Port Hope, MI
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is June (14.9 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Port Hope, MI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Port Hope, MI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Port Hope, MI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Port Hope, Michigan, USA
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