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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a very hot 101.1°F (38.4°C) to a still fiery hot 95.7°F (35.4°C). An average low-temperature of 77°F (25°C) is noted in Blackwater during the month of September.Humidity
In Blackwater, Arizona, the average relative humidity in September is 33%.Rainfall
In Blackwater, during September, the rain falls for 6.7 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Blackwater, there are 50.9 rainfall days, and 6.89" (175mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:01 am and sunset at 6:50 pm. On the last day of September, sunrise is at 6:20 am and sunset at 6:11 pm MST.
Sunshine
In September, the average sunshine in Blackwater is 9.6h.UV index
The average daily maximum UV index in September in Blackwater, Arizona, is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
How hot is it in Blackwater in September?
What is the average humidity in September in Blackwater?
How many days does it rain in September in Blackwater?
How many hours of daylight does Blackwater have in September?
When is the sunrise / sunset in September in Blackwater?
How long on average sun shines in September in Blackwater?
What is the UV index intensity in September in Blackwater?
Average temperature in September
Blackwater, AZ
- Average high temperature in September: 95.7°F
The warmest month (with the highest average high temperature) is July (102°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in September: 77°F
The month with the highest average low temperature is August (82.8°F).
The coldest month (with the lowest average low temperature) is January (46.8°F).
Average pressure in September
Blackwater, AZ
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Blackwater, AZ
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is December (5.4mph).
Average humidity in September
Blackwater, AZ
- Average humidity in September: 33%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Blackwater, AZ
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is February (0.91").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Blackwater, AZ
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.3 days).
Average daylight in September /
Average sunshine in September
Blackwater, 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: 6h and 48min).
Average sunshine days in September
Blackwater, AZ
- Average sunshine days in September: 22 days
The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (19.8 days).
Average UV index in September
Blackwater, AZ
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Blackwater, AZ
- Average cloud cover in September: 12
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Blackwater, 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).
Blackwater, Arizona, USA
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