September weather forecastHaparanda, Sweden

September

Weather in September

September arrives in Haparanda, and the echoes of summer become faint as autumn takes a stronger hold. The earth-toned ambiance transcends, the city, offering a unique charm. Daylight hours diminish, signaling the imminent Nordic winter. Yet, the precipitation remains significantly high with 63mm (2.48") rainfall, carrying forward from the August record. The month is hallmarked by temperatures from 4.5°C (40.1°F) to 11.6°C (52.9°F), attesting a gentle descent towards the colder months.

Temperature

With the onset of September, Haparanda's average high-temperature adjusts, receding from August's comfortable 17.4°C (63.3°F) to a fresh 11.6°C (52.9°F). Haparanda reports an average nighttime low-temperature of 4.5°C (40.1°F) in September.

Rainfall

Throughout September, 63mm (2.48") of precipitation is accumulated. During the entire year, Haparanda aggregates up to 590mm (23.23") of precipitation.

Sea temperature

In September, the average sea temperature in Haparanda is 12.8°C (55°F).
Note: If planning to swim in 12.8°C (55°F) under 10°C (50°F), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 13°C (55.4°F) is not much warmer.

Daylight

In September, the average length of the day is 13h and 6min.
On the first day of September, sunrise is at 06:01 and sunset at 20:45. On the last day of the month, sunrise is at 07:32 and sunset at 18:54 EEST.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In September, in Haparanda, the average high-temperature is 11.6°C (52.9°F), and the average low-temperature is 4.5°C (40.1°F).

Throughout September, in Haparanda, Sweden, 63mm (2.48") of precipitation is accumulated.

In Haparanda, in September, the average water temperature is 12.8°C (55°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

In September, the average day length is 13h and 6min.

On the first day of September in Haparanda, Sweden, sunrise is at 06:01 and sunset at 20:45. On the last day of the month, sunrise is at 07:32 and sunset at 18:54 EEST.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

17.4°C

11.6°C

4.9°C

Average low temperature

Average rainfall

Average sea temperature

Average daylight

Average temperature in September
Haparanda, Sweden

Average high temperature in September: 11.6°C

The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-6.8°C).

Average low temperature in September: 4.5°C

The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-15.1°C).

Average rainfall in September
Haparanda, Sweden

Average rainfall in September: 62.6mm

The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (31mm).

Average sea temperature in September
Haparanda, Sweden

Average sea temperature in September: 12.8°C

The best month for swimming (with the highest average sea temperature) is July (17.3°C).
The coldest months (with the lowest average sea temperature) are January and February (-0.9°C).

Average daylight in September
Haparanda, Sweden

Average daylight in September: 13h and 6min

The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).