Jonkoping Weather: September
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Average Day Temperature: | 61.0°F |
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Average Night Temperature: | 49.8°F |
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Sea Water Temperature: | 58.0°F |
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Number of Sunny Days: | 8 days |
| Sunshine Hours: | 11.6 - 14.0 hours | |
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Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.2 in | |
| detailed information | ||
forecast
| Jonkoping |
Temperature
| Jonkoping |
Air Temperature in September, °F
The highest day temperature in September 2026 was 67°F. The lowest night temperature was 45°F. The average values for day and night temperatures during September were 58.6°F и 50.5°F respectivly.
Jonkoping Water Sea Temperature in September, °F
The average sea surface temperature in September 2026 for Jonkoping was 59.1°F. The maximum and minimum values were 53.6°F and 63.2°F respectively.
Most of the days in September are gloomy but you can also expect sunny days.
Precipitation Totals in September, in
Precipitation total in September for Jonkoping is 1.2 in.
The average wind speed in September is 8.4 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Jonkoping in September is 6.2 hours.
| Gothenburg | ![]() |
+54 |
| Helsinborg | ![]() |
+60 |
| Jonkoping | ![]() |
+56 |
| Karlstad | ![]() |
+58 |
| Kristianstad | ![]() |
+58 |
| Lund | ![]() |
+60 |
| Malmo | ![]() |
+62 |
| Orebro | ![]() |
+56 |
| Ostersund | ![]() |
+44 |
| Stockholm | ![]() |
+58 |
| Sundsvall | ![]() |
+54 |
| Uppsala | ![]() |
+58 |
| Vasteras | ![]() |
+58 |
| 0000 | ![]() |
56°F | NE 4 mph |
| 0300 | ![]() |
56°F | NE 4 mph |
| 0600 | ![]() |
54°F | E 3 mph |
| 0900 | ![]() |
54°F | SW 1 mph |
| 1200 | ![]() |
60°F | SW 4 mph |
| 1500 | ![]() |
58°F | SW 4 mph |
| 1800 | ![]() |
56°F | W 4 mph |
| 2100 | ![]() |
56°F | W 4 mph |






























