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 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
Hyder's transition into September involves a gentle shift in temperature, receding from a very hot 103.6°F (39.8°C) in August to a still sweltering 98.2°F (36.8°C). Hyder observes an average low-temperature of 81°F (27.2°C) during September nights.Humidity
In Hyder, the average relative humidity in September is 31%.Rainfall
In Hyder, in September, it is raining for 6 days, with typically 0.51" (13mm) of accumulated precipitation. In Hyder, during the entire year, the rain falls for 39.5 days and collects up to 4.06" (103mm) of precipitation.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:08 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:18 pm MST.
Sunshine
In Hyder, the average sunshine in September is 9.7h.UV index
In Hyder, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Hyder have in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Hyder?
What is the UV index intensity in September?
Average temperature in September
Hyder, AZ
- Average high temperature in September: 98.2°F
The warmest month (with the highest average high temperature) is July (103.8°F).
The month with the lowest average high temperature is December (64.8°F).
- Average low temperature in September: 81°F
The month with the highest average low temperature is August (86.2°F).
The coldest months (with the lowest average low temperature) are January and December (49.6°F).
Average pressure in September
Hyder, AZ
- Average pressure in September: 29.78"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.73"Hg).
Average wind speed in September
Hyder, AZ
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is July (8.6mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).
Average humidity in September
Hyder, AZ
- Average humidity in September: 31%
The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).
Average rainfall in September
Hyder, AZ
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in September
Hyder, AZ
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is May (1 days).
Average daylight in September /
Average sunshine in September
Hyder, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
Hyder, AZ
- Average sunshine days in September: 22.3 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.3 days).
Average UV index in September
Hyder, AZ
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 4).
Average cloud cover in September
Hyder, AZ
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Hyder, AZ
- 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).
Hyder, Arizona, USA
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