September weather forecast
Sengendai, Japan

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Weather in September

September, the first month of the autumn in Sengendai, is also a moderately hot month, with temperature in the range of an average low of 22.1°C (71.8°F) and an average high of 26.5°C (79.7°F).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 29.8°C (85.6°F) to a still warm 26.5°C (79.7°F). Sengendai's September nights exhibit a subtle drop in temperature, averaging at a pleasant 22.1°C (71.8°F), closely aligned with the daytime highs.

Humidity

The average relative humidity in September is 75%.

Rainfall

In September, the rain falls for 15.8 days. Throughout September, 116mm (4.57") of precipitation is accumulated. Throughout the year, there are 161.3 rainfall days, and 896mm (35.28") of precipitation is accumulated.

Snowfall

April through December are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 05:13 and sunset at 18:09. On the last day of September, sunrise is at 05:35 and sunset at 17:27 JST.

Sunshine

In Sengendai, the average sunshine in September is 7.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What are September temperatures in Sengendai?

The high-temperature during September is 26.5°C (79.7°F) and the low-temperature is 22.1°C (71.8°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 36°C (96.8°F).

What is the average humidity in September in Sengendai?

The average relative humidity in September in Sengendai is 75%.

How much does it rain in Sengendai in September?

In Sengendai, in September, during 15.8 rainfall days, 116mm (4.57") of precipitation is typically accumulated.

When it does not snow in Sengendai?

April through December are months without snowfall.

How many hours of daylight does Sengendai have in September?

In September, the average day length in Sengendai, Japan, is 12h and 25min.

What time are sunrise and sunset in September in Sengendai?

On the first day of September in Sengendai, sunrise is at 05:13 and sunset at 18:09. On the last day of the month, sunrise is at 05:35 and sunset at 17:27 JST.

How many hours of sunshine does Sengendai have in September?

The average sunshine duration in September in Sengendai is 7.9h.

What is the UV index intensity in September in Sengendai?

In September, the average daily maximum UV index in Sengendai is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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 temperature in September
Sengendai, Japan

Average temperature in September - Sengendai, Japan
  • Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in September: 22.1°C

The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (4°C).

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Average pressure in September
Sengendai, Japan

Average pressure in September - Sengendai, Japan
  • Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

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Average wind speed in September
Sengendai, Japan

Average wind speed in September - Sengendai, Japan
  • Average wind speed in September: 15.3km/h

The windiest month (with the highest average wind speed) is April (17.9km/h).
The calmest month (with the lowest average wind speed) is June (14.2km/h).

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Average humidity in September
Sengendai, Japan

Average humidity in September - Sengendai, Japan
  • Average humidity in September: 75%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (60%).

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Average rainfall in September
Sengendai, Japan

Average rainfall in September - Sengendai, Japan
  • Average rainfall in September: 116mm

The wettest month (with the highest rainfall) is October (126mm).
The driest month (with the least rainfall) is December (40mm).

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Average rainfall days in September
Sengendai, Japan

Average rainfall days in September - Sengendai, Japan
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in September
Sengendai, Japan

Average snowfall in September - Sengendai, Japan
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in September
Sengendai, Japan

Average snowfall days in September - Sengendai, Japan
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Sengendai, Japan

Average daylight in September / Average sunshine in September - Sengendai, Japan
  • 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: 7h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in September
Sengendai, Japan

Average sunshine days in September - Sengendai, Japan
  • Average sunshine days in September: 11.6 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (11.6 days).

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Average UV index in September
Sengendai, Japan

Average UV index in September - Sengendai, Japan
  • 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, March and December (UV index 3).

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Average cloud cover in September
Sengendai, Japan

Average cloud cover in September - Sengendai, Japan
  • Average cloud cover in September: 40

The month with the most cloud cover is October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 30).

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Average visibility in September
Sengendai, Japan

Average visibility in September - Sengendai, Japan
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Sengendai, Japan

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