September weather forecastHatogawa, Japan

September

Weather in September

The first month of the autumn, September, is still a warm month in Hatogawa, Japan, with an average temperature varying between 21.5°C (70.7°F) and 25.6°C (78.1°F).

Temperature

As September arrives, Hatogawa's weather displays a minor decrease in high-temperatures, transitioning from August's 29.3°C (84.7°F) to a still moderately hot 25.6°C (78.1°F). Hatogawa maintains an average of approximately a pleasant 21.5°C (70.7°F) during September nights, with only a minimal decrease from the daytime temperature.

Humidity

In Hatogawa, the average relative humidity in September is 80%.

Rainfall

In September, the rain falls for 14.5 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Hatogawa, during the entire year, the rain falls for 149.2 days and collects up to 456mm (17.95") of precipitation.

Snowfall

In Hatogawa, snow does not fall in March through November.

Daylight

In September, the average length of the day in Hatogawa is 12h and 23min.
On the first day of September, sunrise is at 05:54 and sunset at 18:45. On the last day of the month, sunrise is at 06:13 and sunset at 18:06 JST.

Sunshine

In September, the average sunshine is 7.7h.

UV index

In Hatogawa, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

The high-temperature during September is 25.6°C (78.1°F) and the low-temperature is 21.5°C (70.7°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 36°C (96.8°F).

In Hatogawa, the average relative humidity in September is 80%.

In Hatogawa, in September, it is raining for 14.5 days, with typically 32mm (1.26") of accumulated precipitation.

In Hatogawa, snow does not fall in March through November.

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

On the first day of September, sunrise is at 05:54 and sunset at 18:45. On the last day of the month, sunrise is at 06:13 and sunset at 18:06 JST.

In Hatogawa, the average sunshine duration in September is 7.7h.

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hatogawa, Japan

  • Average high temperature in September: 25.6°C

The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in September: 21.5°C

The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).

Average pressure in September
Hatogawa, Japan

  • Average pressure in September: 1012.1mbar

The month with the highest atmospheric pressure is January (1022.2mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).

Average wind speed in September
Hatogawa, Japan

  • Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is January (16.4km/h).
The calmest month (with the lowest average wind speed) is June (10.7km/h).

Average humidity in September
Hatogawa, Japan

  • Average humidity in September: 80%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January, February and March (71%).

Average rainfall in September
Hatogawa, Japan

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is July (105mm).
The driest month (with the least rainfall) is January (18mm).

Average rainfall days in September
Hatogawa, Japan

  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is May (9.4 days).

Average snowfall in September
Hatogawa, Japan

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Hatogawa, Japan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in September: 12h and 24min

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: 7h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

Average sunshine days in September
Hatogawa, Japan

  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is May (19.4 days).
The month with the least sunshine days is July (7.9 days).

Average UV index in September
Hatogawa, 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 and December (UV index 2).

Average cloud cover in September
Hatogawa, Japan

  • Average cloud cover in September: 43

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Hatogawa, Japan

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).