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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a warm 78.3°F (25.7°C) to an agreeable 70.7°F (21.5°C). Throughout September, the temperature in Saint Martin, Minnesota, falls to an average low of 50.7°F (10.4°C).Humidity
In Saint Martin, Minnesota, the average relative humidity in September is 73%.Rainfall
In Saint Martin, Minnesota, in September, it is raining for 9.4 days, with typically 0.94" (24mm) of accumulated precipitation. In Saint Martin, during the entire year, the rain falls for 94.5 days and collects up to 11.77" (299mm) of precipitation.Snowfall
In Saint Martin, snow does not fall in June through September.Daylight
The average length of the day in September in Saint Martin is 12h and 31min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:00 pm CDT.
Sunshine
In September, the average sunshine in Saint Martin is 8.9h.UV index
In September, the average daily maximum UV index in Saint Martin is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Saint Martin?
What is the average humidity in September in Saint Martin?
How much does it rain in Saint Martin in September?
When it does not snow in Saint Martin?
Does it snow in Saint Martin in September?
What is the average length of the day in September in Saint Martin?
What time are sunrise and sunset in September in Saint Martin?
How long on average sun shines in September in Saint Martin?
What is the UV index reading in September in Saint Martin?
Average temperature in September
Saint Martin, MN
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (18.3°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in September
Saint Martin, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Saint Martin, MN
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Saint Martin, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Saint Martin, MN
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is June (2.17").
The driest months (with the least rainfall) are January and February (0.31").
Average rainfall days in September
Saint Martin, MN
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (0.9 days).
Average snowfall in September
Saint Martin, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Martin, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Martin, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Saint Martin, MN
- Average sunshine days in September: 19 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in September
Saint Martin, 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, February, November and December (UV index 1).
Average cloud cover in September
Saint Martin, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Saint Martin, 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).
Saint Martin, Minnesota, USA
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