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
In Holyoke, the average high-temperature in September decreases from a warm 76.8°F (24.9°C) in August to a refreshing 67.8°F (19.9°C). Throughout September, an average low-temperature of 48.6°F (9.2°C) is experienced.Humidity
In September, the average relative humidity is 77%.Rainfall
In September, in Holyoke, the rain falls for 12.7 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Holyoke, there are 120.8 rainfall days, and 22.87" (581mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Holyoke.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Holyoke, sunrise is at 6:30 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:50 pm CDT.
Sunshine
In Holyoke, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Holyoke is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the temperature in September in Holyoke?
What is the average humidity in September in Holyoke?
How many days does it rain in September in Holyoke?
When it does not snow in Holyoke?
Does it snow in Holyoke in September?
What is the average length of the day in September in Holyoke?
When is the sunrise / sunset in September in Holyoke?
How many hours of sunshine does Holyoke have in September?
What is the UV index reading in September in Holyoke?
Average temperature in September
Holyoke, MN
- Average high temperature in September: 67.8°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (2.5°F).
Average pressure in September
Holyoke, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Holyoke, MN
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Holyoke, MN
- Average humidity in September: 77%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Holyoke, MN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Holyoke, MN
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Holyoke, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Holyoke, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holyoke, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Holyoke, MN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Holyoke, MN
- 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, November and December (UV index 1).
Average cloud cover in September
Holyoke, MN
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Holyoke, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Holyoke, Minnesota, USA
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