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 beginning of September involves a decrease in the average high-temperature, transitioning from an agreeable 21.3°C (70.3°F) in August to a mild 15.5°C (59.9°F). Throughout September, a steady low-temperature average of 4.4°C (39.9°F) is noted.Humidity
In September, the average relative humidity is 72%.Rainfall
In Rochfort Bridge, during September, the rain falls for 10.3 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 128.2 rainfall days, and 423mm (16.65") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 28mm (1.1") of snow. In Rochfort Bridge, during the entire year, snow falls for 102.9 days and aggregates up to 988mm (38.9") of snow.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 6:50 am and sunset at 8:29 pm. On the last day of September, in Rochfort Bridge, sunrise is at 7:41 am and sunset at 7:17 pm MDT.
Sunshine
In Rochfort Bridge, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Rochfort Bridge have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Rochfort Bridge, Canada
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is December (-7.1°C).
- Average low temperature in September: 4.4°C
The month with the highest average low temperature is July (9°C).
The coldest month (with the lowest average low temperature) is February (-14.4°C).
Average pressure in September
Rochfort Bridge, Canada
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is February (1019.4mbar).
The month with the lowest atmospheric pressure is June (1010.6mbar).
Average wind speed in September
Rochfort Bridge, Canada
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is May (10.1km/h).
The calmest months (with the lowest average wind speed) are February, March, August and November (8.7km/h).
Average humidity in September
Rochfort Bridge, Canada
- Average humidity in September: 72%
The months with the highest relative humidity are January, February and March (93%).
The month with the lowest relative humidity is May (64%).
Average rainfall in September
Rochfort Bridge, Canada
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (82mm).
The driest month (with the least rainfall) is December (14mm).
Average rainfall days in September
Rochfort Bridge, Canada
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (18.5 days).
The months with the least rainy days are January and February (3.4 days).
Average snowfall in September
Rochfort Bridge, Canada
- Average snowfall in September: 28mm
The month with the highest snowfall is November (166mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Rochfort Bridge, Canada
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is March (18.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Rochfort Bridge, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Rochfort Bridge, Canada
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is April (7.7 days).
Average UV index in September
Rochfort Bridge, 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 and November (UV index 1).
Average cloud cover in September
Rochfort Bridge, Canada
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Rochfort Bridge, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are February and March (5km).
