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
Onset of September comes with a temperature decline, the average high falling from a moderately hot 81.1°F (27.3°C) in August to an agreeable 70°F (21.1°C). In the month of September, the nighttime temperature dips to a steady average of 52°F (11.1°C).Humidity
The average relative humidity in September is 47%.Rainfall
In September, the rain falls for 7.1 days. Throughout September, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 99.1 rainfall days, and 10.12" (257mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Zurich, Montana. Throughout September, in the average 0.3 snowfall days, it receives 0.71" (18mm) of snow. Throughout the year, in Zurich, there are 57.6 snowfall days, and 21.69" (551mm) of snow is accumulated.Daylight
In September, the average length of the day in Zurich is 12h and 34min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:57 pm. On the last day of September, in Zurich, sunrise is at 7:15 am and sunset at 6:56 pm MDT.
Sunshine
In Zurich, the average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index in Zurich is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Zurich in September?
What is the average humidity in September in Zurich?
How much does it rain in Zurich in September?
When does it start to snow in Zurich?
How many hours of daylight does Zurich have in September?
When are sunrise and sunset in September in Zurich?
How long on average sun shines in September in Zurich?
How high is the UV index in September in Zurich?
Average temperature in September
Zurich, MT
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (26.2°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is February (12.6°F).
Average pressure in September
Zurich, MT
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Zurich, MT
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in September
Zurich, MT
- Average humidity in September: 47%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Zurich, MT
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are February, March and December (0.55").
Average rainfall days in September
Zurich, MT
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Zurich, MT
- Average snowfall in September: 0.71"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Zurich, MT
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Zurich, MT
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Zurich, MT
- Average sunshine days in September: 21 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in September
Zurich, MT
- 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, February, March, October, November and December (UV index 2).
Average cloud cover in September
Zurich, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in September
Zurich, MT
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Zurich, Montana, USA
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