September weather forecast
Harmony, CA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Harmony, California, with an average temperature ranging between min 59.9°F (15.5°C) and max 75.4°F (24.1°C).

Temperature

In Harmony, temperatures reach their average annual highs in September, measuring 75.4°F (24.1°C) and a minimum average of 59.9°F (15.5°C).

Humidity

In Harmony, California, the average relative humidity in September is 62%.

Rainfall

In Harmony, during September, the rain falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Harmony, during the entire year, the rain falls for 46.6 days and collects up to 6.73" (171mm) of precipitation.

Daylight

The average length of the day in September in Harmony is 12h and 23min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:30 pm. On the last day of September, in Harmony, sunrise is at 6:58 am and sunset at 6:48 pm PDT.

Sunshine

The average sunshine in September is 11.4h.

UV index

In Harmony, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 5 during September leads to these instructions:
Take precautions - Protection against sunburn is recommended. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What part of the year is the hottest in Harmony?

Harmony's warmest temperatures are experienced in September, with average high temperatures of 75.4°F (24.1°C) and lows of 59.9°F (15.5°C).

What is the temperature in September in Harmony?

In September, the average high-temperature and low-temperature in Harmony are 75.4°F (24.1°C) and 59.9°F (15.5°C) respectively.

What is the average humidity in September in Harmony?

In September, the average relative humidity in Harmony is 62%.

How much does it rain in Harmony in September?

In Harmony, California, in September, during 1.5 rainfall days, 0.12" (3mm) of precipitation is typically accumulated.

What is the average length of the day in September in Harmony?

In September, the average day length is 12h and 23min.

When is the sunrise / sunset in September in Harmony?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:30 pm. On the last day of the month, in Harmony, California, sunrise is at 6:58 am and sunset at 6:48 pm PDT.

How many hours of sunshine does Harmony have in September?

In September, the average sunshine duration in Harmony, California, is 11.4h.

What is the UV index intensity in September in Harmony?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Harmony, CA

Average temperature in September - Harmony, CA
  • Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is September (75.4°F).
The month with the lowest average high temperature is December (59.4°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.8°F).

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Average pressure in September
Harmony, CA

Average pressure in September - Harmony, CA
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.91"Hg).

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Average wind speed in September
Harmony, CA

Average wind speed in September - Harmony, CA
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest months (with the lowest average wind speed) are July, August, September, October and November (6.5mph).

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Average humidity in September
Harmony, CA

Average humidity in September - Harmony, CA
  • Average humidity in September: 62%

The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is October (61%).

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Average rainfall in September
Harmony, CA

Average rainfall in September - Harmony, CA
  • Average rainfall in September: 0.12"

The wettest months (with the highest rainfall) are March and December (1.3").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in September
Harmony, CA

Average rainfall days in September - Harmony, CA
  • Average rainfall days in September: 1.5 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in September /
Average sunshine in September
Harmony, CA

Average daylight in September / Average sunshine in September - Harmony, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 11h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

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Average sunshine days in September
Harmony, CA

Average sunshine days in September - Harmony, CA
  • Average sunshine days in September: 27.7 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (21.2 days).

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Average UV index in September
Harmony, CA

Average UV index in September - Harmony, CA
  • Average UV index in September: 5

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in September
Harmony, CA

Average cloud cover in September - Harmony, CA
  • Average cloud cover in September: 8

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are July, August and September (Cloud cover 8).

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Average visibility in September
Harmony, CA

Average visibility in September - Harmony, CA
  • 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).

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Harmony, California, USA

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