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 is characterized by a mild reduction in the average high-temperature, from a moderately hot 76.8°F (24.9°C) in August to an agreeable 71.2°F (21.8°C). September nights are marked by an average temperature drop to a fresh 53.1°F (11.7°C).Humidity
In Manchester, the average relative humidity in September is 78%.Rainfall
In Manchester, in September, it is raining for 12 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 132.3 rainfall days, and 26.65" (677mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:55 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Manchester in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Manchester?
Does it snow in September?
What is the average length of the day in September in Manchester?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Manchester, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in September
Manchester, MN
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Manchester, MN
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.4mph).
Average humidity in September
Manchester, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall in September
Manchester, MN
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Manchester, MN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Manchester, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Manchester, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Manchester, MN
- 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 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Manchester, MN
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.7 days).
Average UV index in September
Manchester, MN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Manchester, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Manchester, MN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Manchester, Minnesota, USA
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