September weather forecast
Delano, CA

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Weather in September

The first month of the autumn, September, is also a hot month in Delano, California, with an average temperature varying between 62.2°F (16.8°C) and 92.3°F (33.5°C).

Temperature

A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a sweltering 99.1°F (37.3°C) to a hot 92.3°F (33.5°C). Delano, in September, experiences a marked contrast from daytime zeniths to a steady average low-temperature of 62.2°F (16.8°C).

Humidity

In September, the average relative humidity is 33%.

Rainfall

In Delano, California, during September, the rain falls for 1.7 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Delano, during the entire year, the rain falls for 52 days and collects up to 6.85" (174mm) of precipitation.

Snowfall

In Delano, snow does not fall in January, March through December.

Daylight

In Delano, California, the average length of the day in September is 12h and 23min.
On the first day of September in Delano, sunrise is at 6:29 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:41 pm PDT.

Sunshine

In September, the average sunshine is 11.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

How hot is it in Delano in September?

In Delano, 92.3°F (33.5°C) is the average high-temperature and 62.2°F (16.8°C) is the average low-temperature during September. In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 80.6°F (27°C).

What is the average humidity in September in Delano?

In September, the average relative humidity in Delano, California, is 33%.

How many days does it rain in September in Delano?

In Delano, in September, during 1.7 rainfall days, 0.12" (3mm) of precipitation is typically accumulated.

When it does not snow in Delano?

In Delano, California, snow does not fall in January, March through December.

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

The average day length in September is 12h and 23min.

When are sunrise and sunset in September in Delano?

On the first day of September in Delano, sunrise is at 6:29 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:41 pm PDT.

How many hours of sunshine does Delano have in September?

In Delano, California, the average sunshine duration in September is 11.1h.

What is the UV index reading in September in Delano?

In September, the average daily maximum UV index in Delano is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Delano, CA

Average temperature in September - Delano, CA
  • Average high temperature in September: 92.3°F

The warmest month (with the highest average high temperature) is July (99.7°F).
The month with the lowest average high temperature is December (58.1°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in September
Delano, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Delano, CA

Average wind speed in September - Delano, CA
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is June (5mph).
The calmest months (with the lowest average wind speed) are November and December (3.5mph).

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Average humidity in September
Delano, CA

Average humidity in September - Delano, CA
  • Average humidity in September: 33%

The months with the highest relative humidity are January and December (63%).
The month with the lowest relative humidity is August (30%).

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Average rainfall in September
Delano, CA

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

The wettest month (with the highest rainfall) is March (1.34").
The driest month (with the least rainfall) is August (0.08").

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Average rainfall days in September
Delano, CA

Average rainfall days in September - Delano, CA
  • Average rainfall days in September: 1.7 days

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.9 days).

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Average snowfall in September
Delano, CA

Average snowfall in September - Delano, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Delano, CA

Average snowfall days in September - Delano, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Delano, 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 1min

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 42min).

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Average sunshine days in September
Delano, CA

Average sunshine days in September - Delano, CA
  • Average sunshine days in September: 27 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (20.7 days).

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Average UV index in September
Delano, CA

Average UV index in September - Delano, CA
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in September
Delano, CA

Average cloud cover in September - Delano, CA
  • Average cloud cover in September: 5

The months with the most cloud cover are March and December (Cloud cover 25).
The months with the least cloud cover are July and August (Cloud cover 4).

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Average visibility in September
Delano, CA

Average visibility in September - Delano, 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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Delano, California, USA

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