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
The onset of September entails a temperature shift, as the average high-temperature decreases from a hot 90.5°F (32.5°C) in August to a warm 79.3°F (26.3°C). Nyssa receives a consistent average low-temperature of 55.4°F (13°C) in September, a substantial dip from the day's heat.Humidity
In September, the average relative humidity is 35%.Rainfall
In September, the rain falls for 4.1 days. Throughout September, 0.31" (8mm) of precipitation is accumulated. In Nyssa, during the entire year, the rain falls for 92.2 days and collects up to 8.58" (218mm) of precipitation.Snowfall
In Nyssa, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Nyssa, sunrise is at 7:12 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:29 pm MDT.
Sunshine
In Nyssa, the average sunshine in September is 9.6h.UV index
In Nyssa, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 5 during September leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Nyssa in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Nyssa, OR
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (35.6°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Nyssa, OR
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Nyssa, OR
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in September
Nyssa, OR
- Average humidity in September: 35%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in September
Nyssa, OR
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in September
Nyssa, OR
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is March (13.8 days).
The months with the least rainy days are July and August (2.6 days).
Average snowfall in September
Nyssa, OR
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Nyssa, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (7.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Nyssa, OR
- 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: 9h and 0min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Nyssa, OR
- Average sunshine days in September: 24.1 days
The month with the most sunshine days is July (26.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in September
Nyssa, OR
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Nyssa, OR
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Nyssa, OR
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Nyssa, Oregon, USA
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