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 slight decrease in the average high-temperature, shifting from a moderately hot 76.6°F (24.8°C) in August to an agreeable 70.9°F (21.6°C). Mantorville records an average low of 52.3°F (11.3°C) throughout the nights in September.Humidity
In Mantorville, the average relative humidity in September is 78%.Rainfall
In September, in Mantorville, the rain falls for 11.9 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 127.4 rainfall days, and 24.69" (627mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Mantorville, Minnesota, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:53 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Mantorville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mantorville in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Mantorville have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Mantorville have in September?
What is the UV index intensity in September?
Average temperature in September
Mantorville, MN
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in September
Mantorville, 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
Mantorville, MN
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Mantorville, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Mantorville, MN
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is June (4.53").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Mantorville, MN
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Mantorville, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mantorville, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mantorville, 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: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Mantorville, MN
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Mantorville, 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 February, November and December (UV index 1).
Average cloud cover in September
Mantorville, MN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Mantorville, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Mantorville, Minnesota, USA
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