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
September
Weather in September
Temperature
The arrival of September correlates with a minor temperature reduction, down from August's comfortable 19.7°C (67.5°F) to a mild 15.4°C (59.7°F). Little Grand Rapids experiences a nighttime temperature average of 9.4°C (48.9°F) during September.Humidity
The average relative humidity in September is 72%.Rainfall
In Little Grand Rapids, Canada, in September, during 12.2 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Little Grand Rapids, there are 104.6 rainfall days, and 432mm (17.01") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Little Grand Rapids. Throughout September, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. In Little Grand Rapids, during the entire year, snow falls for 118.7 days and aggregates up to 805mm (31.69") of snow.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 6:34 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:00 pm CDT.
Sunshine
In Little Grand Rapids, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Little Grand Rapids, Canada, is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during September translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Little Grand Rapids?
What is the average humidity in September in Little Grand Rapids?
How much does it rain in Little Grand Rapids in September?
When does it start to snow in Little Grand Rapids?
What is the average length of the day in September in Little Grand Rapids?
When is the sunrise / sunset in September in Little Grand Rapids?
How long on average sun shines in September in Little Grand Rapids?
What is the UV index intensity in September in Little Grand Rapids?
Average temperature in September
Little Grand Rapids, Canada
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-12.1°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-18.4°C).
Average pressure in September
Little Grand Rapids, Canada
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1010.4mbar).
Average wind speed in September
Little Grand Rapids, Canada
- Average wind speed in September: 17.4km/h
The windiest month (with the highest average wind speed) is October (18km/h).
The calmest months (with the lowest average wind speed) are February and April (14km/h).
Average humidity in September
Little Grand Rapids, Canada
- Average humidity in September: 72%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall in September
Little Grand Rapids, Canada
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is June (66mm).
The driest month (with the least rainfall) is February (13mm).
Average rainfall days in September
Little Grand Rapids, Canada
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Little Grand Rapids, Canada
- Average snowfall in September: 1mm
The month with the highest snowfall is January (152mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Little Grand Rapids, Canada
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Little Grand Rapids, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).
Average sunshine days in September
Little Grand Rapids, Canada
- Average sunshine days in September: 15.7 days
The months with the most sunshine days are May and September (15.7 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in September
Little Grand Rapids, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Little Grand Rapids, Canada
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 90).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Little Grand Rapids, Canada
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March and December (7km).
