Siekierka, niedziela, 27 września, 09:17
Pochmurno. Odczuwalna 12°C. Temperatura maksymalna 19°C, minimalna 10°C.
W sierpniu w Siekierce w dzień jest średnio +21.7°, w nocy +13.4°. W ciągu miesiąca spada około 77 mm opadów (12 dni deszczowych). Rekord ciepła — +33.8° (2015), rekord zimna — +3.5° (1966). Normę obliczono z ostatnich 60 lat.
| Dzień | W dzień | W nocy | Szansa opadów | Rekord maks. | Rekord min. |
|---|---|---|---|---|---|
| 1 | +23° | +14.6° | 42% | +32.8° (1994) | +10.6° (2009) |
| 2 | +23.4° | +14.5° | 37% | +31.3° (1994) | +8.3° (1965) |
| 3 | +23.5° | +14.7° | 32% | +31.7° (2014) | +8.5° (1976) |
| 4 | +23.3° | +14.9° | 47% | +32.4° (2014) | +8.9° (1969) |
| 5 | +22.8° | +14.8° | 42% | +31.6° (2015) | +8.9° (1976) |
| 6 | +22.7° | +14.2° | 40% | +32.7° (2015) | +7.9° (1976) |
| 7 | +23° | +14.1° | 30% | +31.8° (2015) | +8.1° (1979) |
| 8 | +22.9° | +14.3° | 37% | +33.8° (2015) | +8.9° (1987) |
| 9 | +22.6° | +14.2° | 40% | +30.7° (2015) | +9.1° (1974) |
| 10 | +22.2° | +14° | 38% | +33.6° (1992) | +8.4° (1962) |
| 11 | +21.7° | +13.8° | 42% | +30.9° (2015) | +9.8° (1998) |
| 12 | +21.6° | +13.5° | 35% | +32.5° (2015) | +7.7° (2016) |
| 13 | +22.1° | +13.4° | 40% | +29.6° (2010) | +8.8° (1975) |
| 14 | +21.7° | +13.5° | 32% | +31.7° (2010) | +8.1° (1978) |
| 15 | +22.2° | +13.6° | 30% | +32.7° (2023) | +8.4° (1962) |
| 16 | +22.7° | +13.9° | 30% | +33° (2023) | +8.7° (1984) |
| 17 | +22.6° | +14° | 32% | +30.7° (2023) | +7.9° (1987) |
| 18 | +21.8° | +13.8° | 38% | +30.2° (2023) | +8.2° (1961) |
| 19 | +22.1° | +13.7° | 35% | +31° (2023) | +8.8° (1984) |
| 20 | +21.8° | +13.4° | 40% | +29.1° (2023) | +8.9° (1984) |
| 21 | +21.3° | +13.1° | 47% | +28.2° (2001) | +7.1° (1977) |
| 22 | +20.9° | +12.7° | 38% | +28.9° (2020) | +7.1° (1964) |
| 23 | +20.7° | +12.8° | 35% | +29.2° (2022) | +6.8° (1964) |
| 24 | +20.8° | +12.6° | 42% | +30.2° (2018) | +7.4° (1964) |
| 25 | +20.4° | +12.4° | 47% | +31.1° (2022) | +6.9° (1977) |
| 26 | +20° | +12.1° | 42% | +29.1° (2023) | +6.4° (1973) |
| 27 | +20° | +11.9° | 32% | +29.5° (2022) | +6.5° (1973) |
| 28 | +20° | +12° | 38% | +29.1° (2022) | +6.4° (1970) |
| 29 | +20.3° | +12.1° | 43% | +32.8° (1992) | +6.8° (1966) |
| 30 | +20.1° | +11.8° | 22% | +31° (1992) | +3.5° (1966) |
| 31 | +19.8° | +11.8° | 35% | +31.7° (1992) | +7.9° (1966) |